Intestinal disorder

This trial is testing an experimental therapy called IOV-5001, which uses a patient's own immune cells (tumor-infiltrating lymphocytes) to attack cancer. The study involves adults with advanced solid tumors, including non-small cell lung cancer, triple-negative breast cancer, col…

This study tests whether liver transplantation can extend survival for adults with colorectal cancer that has spread only to the liver and cannot be removed or destroyed by local treatments. About 260 participants aged 18 to 65 will receive a new liver from a deceased or living d…

Researchers are testing whether a combination of chemotherapy (mFOLFOX6) plus two immunotherapy drugs, suvemcitug and enlonstobart, can shrink high-risk mid-rectal cancer enough to safely skip pelvic radiation before surgery. The trial enrolls 52 adults with locally advanced rect…

Researchers are testing a combination treatment for people with recurrent cryptoglandular perianal fistula, a painful tunnel that keeps coming back after surgery. The study enrolls 25 adults who have had at least two failed fistula operations and have a seton drain in place for a…

This study tests whether giving the immunotherapy drug dostarlimab for a longer period can completely eliminate tumors in people with a specific genetic type of rectal cancer. Participants have stage II or III rectal cancer that is mismatch repair deficient (dMMR) or microsatelli…

This early-stage study tests a new oral cholera vaccine called DuoChol in 60 healthy adults aged 18 to 45 in Sweden. Participants will receive two doses of either DuoChol or an existing vaccine (Dukoral) to compare safety and immune response. The goal is to gather initial data to…

This study follows up on African children who received an experimental Shigella vaccine in earlier studies. Researchers will take blood samples 1, 2, and 3 years after the last vaccine dose to see how long the immune protection lasts. No new vaccines are given in this study. The …

Researchers are studying whether patients can safely leave the hospital within 48 hours after minimally invasive colorectal surgery. The trial follows 97 adults having elective laparoscopic or robotic surgery for benign or malignant disease. It checks how many meet predefined cli…

This early-stage trial tests an oral capsule containing a genetically modified probiotic yeast designed to neutralize toxins produced by C. diff bacteria. The study first evaluates safety in healthy adults, then in people at risk for recurrent C. diff infection. Participants take…

This trial tests whether a drug called carfilzomib, given directly to the liver through an implanted pump, is safe for people whose colon, adrenal, or bile duct cancer has spread to the liver and persists after prior pump therapy. Participants receive weekly infusions of the drug…

This study compares four different sequences of biologic drugs (infliximab, filgotinib, ustekinumab, and vedolizumab) in 240 adults with moderate to severe ulcerative colitis. The goal is to see which order of treatments works best to achieve and maintain remission without steroi…

Researchers are running a Phase I trial of HEC-921, an experimental drug given by intravenous infusion, in adults with advanced malignant solid tumors. The study first gives HEC-921 alone to find the highest dose people can tolerate, then tests it in combination with oxaliplatin,…

Acute uncomplicated diverticulitis is often treated with antibiotics, but evidence suggests they are not always needed. This study evaluates whether a standardized treatment approach based on clinical findings, lab results, other health conditions, and CT scans can reduce unneces…

This phase 2 trial is testing whether a lower dose of the immunotherapy drug nivolumab, given less often, can still control cancer in people with various advanced or metastatic cancers. The goal is to see if a cheaper, more accessible regimen works as well as the standard high-co…

Researchers are testing an experimental injectable drug called ALK-N001 in adults with advanced gastrointestinal tumors, including esophageal and colorectal cancers that have worsened after standard treatment. The phase II trial gives the drug intravenously every two weeks at one…

Researchers are running a first-in-human study of MGC030, an antibody-drug conjugate, in people with advanced solid tumors that have come back or stopped responding to standard treatment. The trial includes participants with urothelial, colorectal, gastric, gastroesophageal, esop…

Researchers at Assiut University Children Hospital are studying whether a specially prepared medical milk formula called Modulen IBD can bring Crohn's disease into remission and keep it there in children and teenagers. About 40 young patients with mild to moderate active Crohn's …

Researchers are tracking how long adults with moderate to severe Crohn's disease or ulcerative colitis keep taking guselkumab, a biologic drug, in routine care. The study follows about 400 people who start the treatment and records when they stop. It also checks whether early imp…

Researchers are running a phase 1 trial to find out how safe and tolerable ATTO-1091 is in healthy adults and in people with ulcerative colitis. The study also measures how long the drug stays in the body. About 96 participants will receive either ATTO-1091 or a placebo, visit th…

This trial tests whether a combination of two investigational drugs (QL-1706) plus chemotherapy and bevacizumab, with or without radiation, can shrink or eliminate tumors in people with locally advanced rectal cancer before surgery. The goal is to see if this neoadjuvant approach…

Researchers are testing whether nitazoxanide, an antiparasitic drug with anti-inflammatory properties, can help people with mild-to-moderate ulcerative colitis when added to their usual treatment. The trial enrolls adults aged 18 to 65 with active disease and stable therapy. Over…

Researchers are testing whether adding serplulimab, an immunotherapy, to standard CAPOX chemotherapy and bevacizumab can shrink locally advanced colorectal tumors before surgery. The study enrolls about 85 adults with locally advanced rectal adenocarcinoma. The main goal is to se…

Researchers are testing whether a probiotic yeast, Saccharomyces boulardii, works as well as the antibiotic rifaximin for adults with small intestinal bacterial overgrowth (SIBO) who have bloating and diarrhea. The trial enrolls 222 people aged 18 to 70 with a positive breath tes…

Researchers test whether giving mFOLFOXIRI plus bevacizumab before surgery can shrink locally advanced rectal cancer enough to avoid removing the rectum. Adults with stage II or III rectal cancer receive six cycles of the drug combination. Depending on how well the tumor responds…

Researchers test whether adding retlirafusp alfa, an experimental immunotherapy, to standard targeted drugs and chemotherapy can shrink colorectal cancer that has spread to the liver enough to allow surgery. The trial enrolls about 80 adults with initially unresectable liver meta…

This phase 2 trial tests the safety of belzutifan, a daily oral tablet, in adolescents with rare solid tumors that cannot be surgically removed or have spread. The study includes three tumor types: pheochromocytoma/paraganglioma (PPGL), wild-type gastrointestinal stromal tumors (…

Researchers are testing whether adding targeted radiation plus the immunotherapy drug cadonilimab to standard second-line chemotherapy helps adults with colorectal cancer that has spread only to the peritoneum. The trial enrolls about 198 participants and randomly assigns them to…

Researchers are testing whether adding olomorasib, an experimental drug that targets the KRAS G12C mutation, to cetuximab and standard chemotherapy (mFOLFOX6) helps people with advanced colorectal cancer that cannot be removed by surgery or has spread. The trial enrolls about 50 …

This phase 2 trial tests whether an oral supplement called N-acetylglucosamine (GlcNAc) can safely help control Crohn's disease in the ileum or ileocolon. Forty adults with stable Crohn's will receive either GlcNAc or a placebo for 6 weeks, then switch after a washout period. The…

This study tests whether oral vancomycin, an antibiotic, can help children aged 6-15 with inflammatory bowel disease (IBD), especially types linked to liver problems. About 140 kids will either get vancomycin plus standard care or standard care alone for up to a year. Researchers…

People newly diagnosed with breast, colorectal, lung, or prostate cancer often also manage other long-term conditions and take multiple medications. This pilot study tests whether a pharmacist-led medication review plus the Medisafe mobile app helps them stick to those regimens. …

This phase 1 trial tests an investigational drug called DEM301 in adults with advanced colorectal cancer that has progressed after standard treatments. DEM301 is an antibody-drug conjugate, a type of therapy designed to deliver a toxic agent directly to cancer cells. The study ai…

Researchers are testing whether a diet low in serine and glycine, combined with chemotherapy, immunotherapy, and radiotherapy, improves outcomes for people with locally advanced rectal cancer. The trial enrolls 140 adults aged 18 to 80 with stage cT3, cT4, or node-positive rectal…

This study will test hyperbaric oxygen therapy (HBOT) — breathing pure oxygen in a pressurized chamber — for over 30 conditions, including long COVID, Crohn's disease, frostbite, and multiple sclerosis. Researchers will track 100 patients to see if HBOT improves their quality of …

This phase II trial is testing whether a 16-hour fast before each dose of the immunotherapy drug serplulimab, combined with chemotherapy, can improve outcomes for people with a common type of locally advanced rectal cancer. The approach aims to boost the immune system's ability t…

This phase 2 trial tests whether giving two immunotherapy drugs, pembrolizumab and porustobart, before surgery can shrink tumors in adults with a common type of colon cancer called MSS (microsatellite stable) that has not spread. Participants receive the drugs through a vein, wit…

This early-stage trial tests an experimental drug called STRO-006 in adults with advanced solid tumors, including head and neck, lung, esophageal, gastric, colorectal, endometrial, bladder, and breast cancers that have not responded to standard treatments. The study has three par…

This phase 2 trial tests whether adding the investigational drug becotatug vedotin to pucotenlimab and capecitabine before standard chemoradiotherapy can improve outcomes for people with locally advanced squamous cell carcinoma of the anal canal. Participants first receive two cy…

This trial tests an experimental oral drug called DES-1357 in adults with metastatic colorectal cancer that has specific genetic features (dMMR or MSI-H). The study runs in three parts: first, to find a safe dose; second, to check tolerability and early signs of tumor shrinkage; …

This early-stage trial tests an investigational drug called ABBV-253 in adults with advanced solid tumors, including lung, colorectal, and pancreatic cancers. The study aims to find safe doses and see whether the drug can shrink tumors. Participants receive the drug by infusion, …

This study tests a drug called sacituzumab tirumotecan in 20 people with advanced anal or rectal cancer that has spread or cannot be removed and has not responded to other treatments. The goal is to see if the drug can shrink tumors and how safe it is. Participants will receive t…

This pilot study tests whether an herbal supplement called Biocidin REMOVE can clear small intestinal bacterial overgrowth (SIBO) in adults with irritable bowel syndrome (IBS). SIBO involves an overgrowth of bacteria in the small intestine, which can worsen IBS symptoms. About 40…

This trial tests whether a coordinated care pathway, involving oncologists, geriatricians, pharmacists, and pharmacologists, can reduce severe side effects in adults over 70 with certain cancers who are starting oral therapy. Participants receive extra monitoring, including blood…

This trial tests whether an experimental drug called LBL-024, when combined with standard treatments like bevacizumab, oxaliplatin, capecitabine, or fruquintinib, can safely shrink tumors in people with metastatic colorectal cancer. The study includes adults aged 18 to 75 who hav…

This early-phase trial tests two immunotherapy drugs (ivonescimab and ADG126) alone or with chemotherapy in 30 adults with advanced or metastatic MSS colorectal cancer, a type that doesn't respond well to standard immunotherapy. The main goal is to find safe doses and check for s…

This trial tests whether preparing the bowel before fistula laser closure surgery helps the wound heal better. Anal fistulas are abnormal tunnels that can form near the anus, and laser closure is a technique to seal them while sparing the muscle. Researchers will compare two grou…

This trial tests whether fluoxetine, a common antidepressant, can improve bowel function in adults with chronic constipation that has not responded to standard laxatives. Participants also show features of somatic symptom disorder, where emotional distress appears as physical sym…

This trial tests a cell therapy called DC-CTL, made from a patient's own immune cells, combined with standard anti-tumor treatment. The goal is to see if this approach is safe and may help control solid tumors such as colorectal, esophageal, lung, liver, and breast cancer. About …

This trial tests whether adding Bacillus probiotic spores to standard treatment can help people with Crohn's disease or ulcerative colitis. Researchers will give 150 adults either a placebo or one of two probiotic formulas for 30 days, alongside their usual care. The goal is to s…

This trial tests whether a minimally invasive laser procedure can close low perianal fistulas as effectively as traditional open surgery. Adults with a primary low perianal fistula are randomly assigned to receive either laser closure or open fistulectomy. Researchers track heali…

This phase 1 trial tests the safety and tolerability of LMT503, an oral drug intended for inflammatory bowel disease, in healthy adults aged 18 to 65. Participants receive either LMT503 or a placebo in single or multiple ascending doses, with some also checking how food affects t…

This phase II trial tests whether adding retlirafusp alfa to standard chemotherapy and bevacizumab can shrink tumors in people with advanced RAS-mutated colorectal cancer that has spread to the liver. The study enrolls 46 adults who have not had prior systemic treatment and whose…

This trial tests whether giving hydrocortisone during and right after pancreatic surgery can lower the risk of a postoperative pancreatic fistula, a serious leak of digestive fluids. About 20 adults with pancreatic, duodenal, or bile duct cancer will be randomly assigned to recei…

This trial tests whether adding trastuzumab rezetecan, a targeted antibody-drug, to standard chemotherapy and bevacizumab can safely control advanced colorectal cancer that carries the HER2 marker. Researchers will enroll 48 people with HER2-positive, unresectable or metastatic c…

This observational study tracks how long patients with moderate-to-severe Crohn's disease or ulcerative colitis continue taking guselkumab, a biologic treatment, in everyday clinical practice. Researchers will measure time until treatment discontinuation and early responses like …

This trial tests whether a single oral dose of ondansetron, a drug that curbs vomiting, can help children with cholera keep down oral rehydration solution (ORS). About 120 children aged 6 months to 17 years with suspected or confirmed cholera and active vomiting will receive eith…

This phase 2 trial tests whether daraxonrasib, an oral drug that targets cancers with a KRAS mutation, can shrink tumors in people with advanced biliary tract cancer that has progressed after first-line treatment. Participants take the drug once daily in 28-day cycles. The main g…

This trial tests whether a dietary fiber called resistant potato starch can reduce the amount of drug-resistant bacteria living in the gut. The study enrolls Veterans who carry these bacteria without symptoms, and half will take the starch daily while the other half takes a place…

This study offers continued access to tucatinib, an oral targeted therapy, for people with HER2-positive cancers (including breast, cervical, and lung) who were already benefiting from the drug in a previous Pfizer-sponsored trial. The main goal is to monitor long-term safety and…

This pilot study tests whether a surgeon located at a different hospital can safely perform parts of robotic prostate or colorectal cancer surgery using the Toumai robotic system. The local surgical team remains with the patient and can take over control at any moment. Researcher…

This trial tests an experimental oral treatment called R-3750, a live engineered bacterium designed to deliver a protein that may reduce gut inflammation. About 40 adults with active Crohn's disease will receive either R-3750 or a placebo capsule daily for 12 weeks. Researchers w…

This early-stage trial is testing an investigational drug called BL-ARC002 in people with advanced gastrointestinal or other solid tumors that have spread. The main goals are to find a safe dose and to see if the drug shows any signs of shrinking tumors. Participants receive the …

This study tests whether two immunotherapy drugs, cemiplimab and fianlimab, can safely shrink colon tumors before surgery in people with stage II-III colon cancer that hasn't spread. Participants get two IV doses before surgery, then are followed for up to three years. The goal i…

This study tests whether hyperbaric oxygen therapy (HBOT) — breathing pure oxygen in a pressurized chamber — can help heal perianal fistulas in people with Crohn's disease who haven't improved with standard treatments. Participants will either receive HBOT or continue with conven…

This phase 3 trial is testing whether the experimental drug zanzalintinib, alone or combined with an immunotherapy (pembrolizumab plus berahyaluronidase alfa), can improve disease-free survival in people with stage II or III colorectal cancer who have molecular residual disease (…

This trial compares two oral medications for active ulcerative colitis, a chronic inflammatory bowel disease causing diarrhea, bleeding, and pain. About 320 Chinese adults will be randomly assigned to take either etrasimod, a newer drug that blocks immune cells from entering the …

This trial is testing whether combining the drug mirikizumab with a surgical procedure can help heal perianal fistulas in people with Crohn's disease. Participants will receive the drug through infusions and injections, along with two surgical steps to clean and close the fistula…

This study tests whether upadacitinib, a drug already used for other conditions, can help adults with eosinophilic esophagitis (EoE) who still have symptoms despite using topical steroids. Over 12 weeks, 52 participants will take either upadacitinib or a placebo, then all will re…

This study tests whether people with certain gastrointestinal cancers—like stomach, esophageal, or colorectal—can safely skip radical surgery after responding well to precision therapies such as immunotherapy or targeted drugs. Participants with specific molecular markers will be…

This trial tests whether a wearable device and a personalized prehabilitation program can help adults recover better after surgery for pancreatic cancer or related conditions. Participants will wear a monitor to track vital signs and activity, and follow a program of exercise, nu…

This phase 2 trial is testing whether adding the immunotherapy drug sintilimab and the anti-angiogenic drug suvemcitug to standard chemoradiation can improve outcomes for people with locally advanced rectal cancer that is microsatellite-stable (pMMR). The study plans to enroll 18…

This study tests whether adding a heat treatment (thermal ablation) to the standard procedure for removing large colon polyps can lower the chance they grow back. About 752 adults will be randomly assigned to receive either standard removal alone or standard removal plus burning …

This phase 2 trial is investigating whether adding a ketogenic diet and/or high-dose intravenous vitamin C to standard chemoradiotherapy and immunotherapy can improve outcomes for patients with locally advanced rectal cancer that is mismatch repair proficient (pMMR/MSS). The stud…

This trial is testing an investigational drug called mizagliflozin to see if it can prevent low blood sugar (hypoglycemia) in people who experience this condition after bariatric surgery. The study will include adults who had Roux-en-Y bariatric surgery more than a year ago and h…

This phase 2 trial is testing whether an investigational drug called SL-325 can help adults with moderate to severe Crohn's disease. The study will compare SL-325 against a placebo to see if it reduces gut inflammation and improves symptoms. Participants will receive the treatmen…

This trial tests whether tirzepatide (Zepbound) can reduce daily bowel frequency in adults with an ileal pouch-anal anastomosis (IPAA) who have chronic high bowel frequency despite standard anti-diarrheal therapy. Participants will be assigned to receive tirzepatide or standard c…

This pilot trial is asking whether emergency abdominal surgery for newborns with a serious gut condition called necrotising enterocolitis should be done in the operating theatre or right on the neonatal unit. It will compare outcomes like stability during surgery, wound infection…

This study tests whether an intestinal or multivisceral transplant can help people with a rare abdominal cancer called pseudomyxoma peritonei (PMP) that cannot be removed by surgery. Twenty participants will receive the transplant and be followed for 12 months to see if they surv…

This trial is testing whether a probiotic supplement called Colipral, which contains a specific strain of E. coli bacteria, can improve gut health in people with ulcerative colitis who are in remission but still have digestive issues. Participants will take either the supplement …

This study looks at whether adding a special liquid diet (partial enteral nutrition) to standard medication helps people with active Crohn's disease achieve remission without steroids. About 80 participants will choose to either add the diet or not. The main goal is to see if mor…

This early trial is testing an experimental biologic drug called aletekitug in adults with moderate to severe ulcerative colitis. The main goal is to see if the drug is safe and tolerable when given repeatedly. Researchers will monitor side effects and changes in lab tests, vital…

This trial investigates whether a sensitive blood test (Signatera) can detect when it is safe to pause immunotherapy in people with advanced solid tumors like lung cancer, melanoma, and colorectal cancer. Participants are randomly assigned to either continuous standard immunother…

This study tests whether a temporary higher dose of upadacitinib (45 mg daily) can bring ulcerative colitis back under control in adults whose disease flared up while on the standard 30 mg maintenance dose. Participants receive the higher dose for 8 to 16 weeks, then may step dow…

This phase 3 trial tests whether giving the targeted therapy cetuximab plus FOLFIRI chemotherapy in scheduled breaks works as well as continuous treatment for people with a specific genetic type of metastatic colorectal cancer (RAS/BRAF wild-type). The study compares how long the…

This study tests whether adding a combination of curcumin (from turmeric) and QingDai (a traditional Chinese herb) to standard vedolizumab treatment can help people with moderate to severe ulcerative colitis reach remission. About 160 adults will receive either the herbal combo o…

This phase 3 trial is testing whether adding two immune-boosting drugs, iparomlimab and tuvonralimab, to standard chemotherapy can help people with a specific type of metastatic colorectal cancer that has stopped responding to first-line treatment. The study includes about 270 ad…

This trial tests whether a combination of whole-body electromyostimulation (WB-EMS) — a technology that uses electrical impulses to make muscles contract — and nutritional therapy can help people with certain gastrointestinal cancers preserve muscle mass. Participants include tho…

This phase 3 trial is testing whether adding a three-month course of FOLFOX4s chemotherapy after short-course radiotherapy improves outcomes compared to radiotherapy alone in adults aged 75 and older with locally advanced rectal cancer. The study aims to see if the combination ca…

This phase 4 trial is for people with advanced colorectal cancer that started on the right side of the colon and has a normal RAS gene. Researchers want to see if adding the targeted drug cetuximab to standard chemotherapy helps shrink tumors more than chemotherapy alone or with …

This study tests whether a daily supplement called Enzymax DuoBiotics can ease symptoms of irritable bowel syndrome (IBS) in adults. The supplement combines digestive enzymes that break down food in the stomach with a probiotic and prebiotic that support gut bacteria in the intes…

This phase II trial tests whether sacituzumab tirumotecan, an antibody-drug conjugate that targets the TROP2 protein, can shrink tumors in people with advanced small bowel adenocarcinoma that has worsened after platinum-based chemotherapy. About 27 adults with this rare cancer wi…

This trial asks whether adults with ulcerative colitis who are in deep remission can safely stop taking their JAK inhibitor medication (tofacitinib, upadacitinib, or filgotinib) instead of continuing daily maintenance therapy. Half of the 224 participants will stop treatment and …

This study tests whether a modified version of the Crohn's Disease Exclusion Diet (CDED) can ease symptoms of non-constipation irritable bowel syndrome (IBS) better than the standard low FODMAP diet. About 150 adults with moderate-to-severe IBS will follow one of the two diets fo…

This trial tests whether a 7-day course of antibiotics after draining a first-time perianal abscess can stop an anal fistula from forming. Adults with a first abscess are randomly assigned to receive antibiotics or not, then followed for up to 12 months. The goal is to see if ant…

This study looks at how the oral medication etrasimod works for Chinese adults with active ulcerative colitis (UC) in real-world settings. About 500 participants will take etrasimod as part of their routine care and be followed for at least 52 weeks. Researchers will track change…

This trial tests a comprehensive self-management program for adults with irritable bowel syndrome (IBS). The program includes education, symptom tracking, relaxation, diet advice, and problem-solving over eight sessions. Researchers want to see if it is feasible and acceptable, a…

This pilot study tests whether providing medically tailored meals and fresh produce can help people with stage I-III colorectal cancer eat fewer ultra-processed foods. Participants are randomly assigned to receive fully prepared meals, meals plus fresh produce, or meal-planning m…

This trial tests a new gene therapy called FOXP3-T4 for people with IPEX syndrome, a rare genetic condition that causes severe immune problems. The therapy involves taking a patient's own immune cells, modifying them in the lab to work better, and giving them back via a single in…

This study tests whether adding a special diet (the Crohn's Disease Exclusion Diet) to standard biologic drugs can improve gut healing in adults with active Crohn's disease. About 185 participants in China will be randomly assigned to receive either the diet plus biologics or bio…

This observational study follows about 196 adults with early-stage (pT1) rectal cancer who have high-risk features after local tumor removal. Instead of undergoing radical surgery that often requires a colostomy, participants receive adjuvant radiotherapy or chemoradiotherapy. Th…

This trial tests whether closing the surgical wound immediately after cleaning it with a special high-pressure irrigation technique (HIEDI) is as good as or better than waiting a few days to close it. The study involves 200 people aged 12 and older who have open surgery for compl…

This study tests an experimental drug, TAX2, in adults with advanced or metastatic solid tumors that have not responded to standard treatments. The trial has two parts: first, finding a safe dose, and then testing that dose in more people. Researchers will monitor side effects, h…

This phase 2 trial is testing whether giving two drugs—Zanzalintinib and Retifanlimab—before surgery can help patients with early-stage colon cancer. The study enrolls adults aged 18 to 80 with a type of colon cancer called pMMR that can be removed surgically. Participants receiv…

This study looks at whether injecting a patient's own fat-derived cells can help close abnormal connections (fistulas) in the gut that won't heal with standard treatments. Researchers will track 50 adults to see what factors predict successful closure. The goal is to understand w…

This trial compares two approaches for people with Crohn's disease who have a narrowed section of the small bowel causing symptoms. One group receives a combination of two drugs (azathioprine and infliximab), while the other group undergoes surgery to remove the narrowed segment.…

This phase 2 trial tests whether adding a new form of interferon (rSIFN-co) to standard total neoadjuvant therapy (short-course radiation plus chemotherapy) can improve the chance of complete tumor disappearance in people with mid-low locally advanced rectal cancer. About 90 adul…

This trial tests whether a procedure called EUS-guided gallbladder drainage can prevent future gallbladder attacks in people who are too sick or frail for surgery. Participants are randomly assigned to receive either the drainage procedure or standard medical care. The study will…

This study tests whether a once-weekly injectable drug called mazdutide can help adults with prediabetes achieve normal blood sugar levels. About 150 participants will receive either a low dose, a higher dose, or a placebo for 24 weeks, along with diet and exercise advice. The ma…

This study looks at whether immunotherapy can shrink certain gastrointestinal cancers (like colorectal or stomach cancer) enough that some patients may not need major surgery. People whose tumors have specific genetic features (MSI-H/dMMR or POLE mutation) and who respond well to…

This study tests whether adding two immunotherapy drugs to radiation therapy can better shrink advanced rectal cancer than standard chemoradiation. About 342 adults with a specific type of rectal cancer will be randomly assigned to one of three treatment groups. The goal is to se…

This small study tests a new approach for people with stage II/III rectal cancer that has not spread. Instead of chemotherapy, patients receive targeted internal radiation followed by two doses of the immunotherapy drug nivolumab before surgery. The goal is to see if this combina…

This study looks at whether people with certain genetic types of gastrointestinal cancers (stomach, colorectal, or anal) can safely avoid major surgery after immunotherapy. Instead of removing the organ, doctors will monitor closely or do smaller procedures to remove any remainin…

This study tests whether using cord blood, rich in fetal hemoglobin, for transfusions in preterm infants can reduce serious complications like blindness, lung disease, and gut problems. Researchers will compare outcomes in 200 very low birth weight babies who receive either cord …

This phase 3 trial tests whether a blood test that measures tumor DNA (ctDNA) can help doctors decide when to reduce or switch chemotherapy in people with metastatic colorectal cancer. About 408 participants will be randomly assigned to either standard treatment or a strategy whe…

This study tests a treatment called extracorporeal photopheresis (ECP) for people with advanced melanoma who develop severe colitis or hepatitis from immunotherapy. ECP filters a patient's blood, treats it with a light-activated drug, and returns it to the body. The trial compare…

This study tests whether injecting a special solution (KRC-01) into rectal tumors before radiation can make the radiation work better. The solution increases oxygen inside the tumor, which helps radiation kill cancer cells. About 24 adults with advanced rectal cancer that hasn't …

This Phase 3 trial tests whether giving chemotherapy directly into the liver artery (HAI) after surgery can prevent cancer from coming back in patients with colorectal cancer that spread to the liver. About 272 high-risk patients will receive either standard IV chemo or HAI chemo…

This phase II trial tests whether a stronger chemotherapy cocktail (cmFOLFOXIRI) plus an immunotherapy drug (PD-1 inhibitor) works better than standard chemotherapy (mFOLFOX6) when given before surgery for locally advanced colon cancer. About 138 patients with high-risk stage II …

This study tests whether treating children with uncomplicated appendicitis using antibiotics alone works as well as surgery. About 724 children aged 5 to 15 will be randomly assigned to receive either antibiotics or an operation. The goal is to see if the antibiotic approach lead…

This study tests whether giving patients special nutritional drinks and a tailored diet before and after colorectal cancer surgery can lower the risk of complications like infections and improve recovery. About 190 adults with colorectal cancer who are scheduled for minimally inv…

This phase 2 trial tests whether adding the immune-boosting drug ivonescimab to standard chemotherapy (FOLFIRI) helps people with advanced colorectal cancer live longer without their cancer growing. It compares this new combination to the current standard of FOLFIRI plus bevacizu…

This study tests a combination of three drugs—S-531011, fruquintinib, and pembrolizumab—in people with advanced colorectal cancer that has not responded to standard treatments. The cancer type is called MSS or pMMR, which typically does not respond well to immunotherapy alone. Th…

This early-stage trial tests a personalized cancer vaccine called ODI-2001 in 77 people with advanced colon or pancreatic cancer that has spread or cannot be removed. The vaccine is custom-made for each patient's tumor and is given along with a drug that boosts the immune system.…

This study looks at whether adding a short course of chemotherapy after standard chemoradiation can improve outcomes for people with stage I rectal cancer, allowing them to keep their rectum instead of needing major surgery. About 292 participants will be randomly assigned to rec…

This study tests whether frozen stool capsules (fecal transplants) can help children aged 8-17 with ulcerative colitis stay in remission after steroid treatment. Participants will receive either capsules or enemas containing healthy donor stool. The main goal is to see if the cap…

This study tests whether a special omega-3-enriched nutritional drink can improve nutrition in people with advanced lung or colorectal cancer who are at risk of malnutrition. About 118 participants will either get the drink plus dietary advice, or just dietary advice alone. The g…

This trial compares a one-day course of antibiotics after appendix surgery to the standard five-day course in 200 children and adults with uncomplicated appendicitis. The goal is to see if the shorter course prevents infections just as well, while reducing side effects and costs.…

This study tests a combination of two types of radiation therapy for elderly or frail patients with rectal cancer who cannot or will not have surgery. The goal is to shrink or control the tumor while maintaining quality of life. Researchers will follow 80 participants for up to t…

This phase 2 trial tests whether injecting an oncolytic virus (H101) directly into liver tumors, along with radiation, chemotherapy, targeted therapy, and immunotherapy, can shrink or control colorectal cancer that has spread to the liver and cannot be removed by surgery. The stu…

This early-stage study tests a new treatment plan for people with stomach or colorectal cancer that has spread to the lining of the abdomen. The approach combines low-dose radiation to the whole abdomen with chemotherapy and an immunotherapy drug. The main goal is to check if the…

This Phase 1 trial tests a new drug called HLX05-N, which is a biosimilar (a copy) of the cancer drug Erbitux, in 387 people with metastatic colorectal cancer. Participants will receive either HLX05-N or Erbitux (from the US or EU) along with standard chemotherapy. The study aims…

This phase 3 trial tests whether short-course radiation followed by chemotherapy and an immunotherapy drug (serplulimab) works better than standard long-course chemoradiation for high-risk locally advanced rectal cancer. 612 patients will be randomly assigned to one of the two tr…

This study tests a drug called teduglutide in 55 undernourished women aged 18-35 in Bangladesh who have a chronic gut condition called environmental enteric dysfunction (EED). EED causes inflammation and poor nutrient absorption, with no proven treatment. Participants receive dai…

This phase 2 trial tests whether adding targeted radiation (SBRT) and an immunotherapy drug (sintilimab) to standard chemotherapy (TAS-102) and bevacizumab can help people with recurrent metastatic colorectal cancer live longer without their cancer growing. The study will enroll …

This study looks at whether older adults (60+) with ulcerative colitis who are in long-term remission can safely stop taking thiopurines (azathioprine or 6-mercaptopurine) and rely only on high-dose mesalazine. Thiopurines carry increased risks of infection and cancer with age, s…

This study looks at whether the drug guselkumab can stop Crohn's disease from coming back after bowel surgery. About 88 adults with moderate to severe Crohn's who have had surgery will receive guselkumab and be monitored for up to 48 weeks. The main goal is to see if the disease …

This study tests whether daily adaptive radiotherapy (ART) can safely deliver shorter, more intense radiation treatments for prostate, endometrial, cervical, and rectal cancers. About 264 participants will be randomly assigned to standard radiation or ART, which uses daily imagin…

This study tests a drug called fruquintinib in 88 adults with advanced colon cancer that has not responded to standard chemotherapies. The goal is to see if adding supportive care to manage side effects can help patients live longer without their cancer growing. Participants will…

This study tests whether a targeted chemoradiotherapy can completely eliminate early-stage rectal cancer, allowing patients to avoid surgery and keep their rectum. 90 adults with small, localized tumors will either receive standard surgery or the new treatment followed by close m…

This study tests whether fecal microbiota transplantation (FMT) can improve liver function in people with primary sclerosing cholangitis (PSC) and inflammatory bowel disease (IBD). 72 participants will receive either FMT or a sham procedure via colonoscopy and later oral capsules…

This Phase 3 trial tests whether a three-drug chemotherapy combination (FOLFOXIRI) works better than the standard two-drug combination (CAPOX/FOLFOX) for people with high-risk locally advanced rectal cancer. Both groups also receive chemoradiation, and then either surgery or a wa…

This phase II trial tests whether a special radiotherapy regimen followed by targeted therapy and immunotherapy can shrink tumors in people with advanced colorectal cancer that has not responded to prior treatments. About 33 participants will receive the treatment and be monitore…

This pilot study tests whether a device that delivers controlled heat (radiofrequency ablation) can safely close perianal fistulas—abnormal tunnels between the anal canal and skin. Eighty adults with certain types of fistulas will receive a single RFA treatment. Researchers will …

This study tests a drug called everolimus in people with advanced colorectal cancer that has a specific genetic change (CDK12 deficiency) and has not responded to other treatments. The goal is to see if the drug can shrink tumors or slow the cancer's growth. About 38 adults will …

This study looks at whether adding a specific probiotic (containing Enterococcus faecium and Bacillus subtilis) to the antibiotic rifaximin can improve treatment for small intestinal bacterial overgrowth (SIBO), a condition that causes bloating, pain, and diarrhea. About 100 adul…

This study tests giving an immunotherapy drug (pembrolizumab) before surgery to people with a specific type of colon cancer (dMMR). The goal is to see if the drug can shrink or eliminate the tumor so some patients may avoid surgery and instead be closely monitored. About 152 adul…

This study tests whether using stool biomarkers (fecal calprotectin and fecal immunochemical test) to guide treatment adjustments can prevent relapses in people with ulcerative colitis. About 240 adults in remission will be randomly assigned to either biomarker-guided therapy or …

This study tests whether giving immunotherapy drugs (nivolumab with or without ipilimumab) or immunotherapy plus radiotherapy before surgery can improve outcomes for people with a specific genetic type of colorectal cancer called MSI-H/dMMR. About 114 participants will be randoml…

This phase 2 trial is testing a new approach for people with stage II-III rectal cancer. It combines short-course radiotherapy that spares the tumor-draining lymph nodes with a PD-1 inhibitor (a type of immunotherapy). The goal is to see if this combination can lead to a complete…

This study tests whether a liquid carob extract can improve blood sugar levels in 70 adults with prediabetes. Participants take the extract or a placebo twice daily for 90 days. Researchers will measure blood glucose and insulin responses to see if the extract helps control blood…

This study tests whether adding the immunotherapy drug dostarlimab to standard chemotherapy (XELOX) after chemoradiation improves outcomes for people with locally advanced rectal cancer. About 270 participants will be randomly assigned to receive either the combination or chemoth…

This pilot study tests whether the antibiotic vancomycin can safely treat active ulcerative colitis in adults who also have primary sclerosing cholangitis, a liver condition. Fourteen participants will take vancomycin or a placebo for 4 weeks, with an optional 4-week extension. T…

This study tests a Nordic version of the Crohn's Disease Exclusion Diet in 30 children aged 6-18 with mild-to-severe Crohn's disease. The diet avoids inflammatory foods and gradually reintroduces unprocessed items over 20 weeks. Researchers will measure remission rates, diet adhe…

This study tests whether a new drug called IP-001, injected into the liver after standard heat-based tumor destruction, can help prevent colorectal cancer from coming back. About 717 adults with colorectal cancer that has spread only to the liver will be randomly assigned to rece…

This study compares two standard radiotherapy approaches—short-course (1 week) and long-course (several weeks)—given before surgery to people with locally advanced rectal cancer. The goal is to see which one works better at shrinking tumors and is easier for patients to tolerate.…

This study compares a new drain fixation method (extra-peritoneal tunneling) to the standard method after rectal cancer surgery. About 596 participants will be randomly assigned to one of the two groups. The goal is to see if the new method reduces drain movement and improves the…

This study tests a new endoscopic technique called ESISD for removing large, flat precancerous growths in the rectum. It compares ESISD to the standard procedure (ESD) in 60 patients to see if it is faster, safer, and more cost-effective. The goal is to improve treatment for pati…

This study is testing whether adding an immunotherapy drug (PD-1 inhibitor) to standard chemoradiation can better shrink or eliminate tumors in people with locally advanced rectal cancer that has a high chance of coming back. About 30 participants will receive the combination tre…

This study tests a procedure called irreversible electroporation (IRE), also known as Nanoknife, to treat liver tumors that have spread from colorectal cancer. IRE uses short electrical pulses to destroy cancer cells while sparing nearby blood vessels and bile ducts. The trial wi…

This study tests whether a higher dose of radiation (58.75 Gy) given before surgery can help more people with locally advanced rectal cancer achieve a complete response (no cancer left) compared to the standard dose (50 Gy). About 156 adults aged 18-79 will receive radiation plus…

This phase 2 trial is testing whether giving the drugs encorafenib and cetuximab again can help people with a specific type of advanced colorectal cancer (BRAF V600E-mutant) whose disease got worse after prior treatment with similar drugs. About 25 participants will receive the d…

This phase 2 trial tests a new approach for locally advanced rectal cancer: using MRI-guided, reduced-field short-course radiotherapy together with immunotherapy and chemotherapy before surgery. The goal is to shrink the tumor effectively while causing fewer side effects than sta…

This study tests a new type of day hospital for people with inflammatory bowel disease (IBD), like Crohn's disease or ulcerative colitis. In one visit, patients get blood tests, a doctor checkup, education on managing their condition, and optional workshops on diet or fatigue. Th…

Doctors usually send colorectal tissue to a lab and wait days for results. This pilot study tests a miniaturized device called MULTISCOPE that uses light-based imaging to tell healthy tissue from cancerous tissue in real time. Researchers will examine 30 tissue samples removed du…

This study tests whether an artificial intelligence (AI) system can help doctors spot more precancerous polyps and colorectal cancers during colonoscopy compared to standard procedures. Over 3,300 adults scheduled for screening or surveillance will be randomly assigned to AI-assi…

Many cancer trials require patients to have specific molecular markers, so researchers test large numbers of people to find the few who qualify. This study evaluates FATHOM, an AI system that reads clinical trial records and routine tumor slides to predict which patients carry th…

Researchers are testing whether artificial intelligence can assess colorectal cancer risk by analyzing facial features, tongue images, and exhaled breath. The study enrolls adults aged 18 to 80 who are scheduled for a colonoscopy, collecting their multimodal data before the proce…

This trial tests whether a laser-based imaging device can help surgeons assess blood flow in the bowel during rectal cancer surgery. About 100 adults with rectal cancer will have the laser imaging performed alongside standard fluorescence imaging. The goal is to see if the laser …

Colonoscopy helps doctors find and remove polyps that can turn into bowel cancer, but the right side of the bowel often stays dirty even after standard preparation, so polyps there can be missed. This trial tests whether giving a small sodium phosphate enema into the right colon …

Researchers at the University of British Columbia are collecting intestinal ultrasound images from adults, including healthy people and those with inflammatory bowel disease such as Crohn disease or ulcerative colitis. The goal is to build a computer program that can measure bowe…

Researchers at Mayo Hospital Lahore are studying whether the Surgical Apgar Score can identify patients who need direct admission to the intensive care unit after emergency abdominal surgery. The score uses three factors recorded during surgery: estimated blood loss, lowest mean …

This study is testing whether two different ultrasound measurements can predict a sudden drop in blood pressure that sometimes happens when anesthesia is given. The trial will include adults aged 40 to 70 with intestinal obstruction who are having exploratory abdominal surgery. R…

Researchers at Assiut University Children Hospital are measuring fecal calprotectin, a protein linked to gut inflammation, in preterm infants. The study compares levels between babies who develop necrotizing enterocolitis and those who do not, and between exclusively breastfed an…

Researchers at Assiut University are testing whether a stool test for calprotectin, a protein linked to inflammation, can accurately detect gut inflammation in children with chronic digestive symptoms. The study will compare stool test results with findings from endoscopy and tis…

Peritoneal dialysis uses the belly lining as a natural filter for people with kidney failure, but over time this membrane can scar and stop working. This study tests whether levels of a protein called DKK3 in blood, urine, and dialysis fluid can serve as an early warning sign of …

This trial tests whether a new non-invasive device, called Body Surface Colonic Mapping, can accurately measure colon movement in children. The device uses a sticky pad with electrodes placed on the abdomen to detect electrical activity from the colon. Researchers will compare it…

This study focuses on American Indian communities, who face high colorectal cancer death rates. Researchers will test a program where a navigator helps clinics and patients schedule diagnostic colonoscopies within 60 days after a positive screening. The goal is to improve early d…

This trial tests two new imaging modes, VIST and SFI, during colonoscopy to see if they help doctors find and classify colorectal polyps better than standard white light. About 990 adults undergoing screening or surveillance colonoscopy will be randomly assigned to one of the thr…

Researchers are testing whether an artificial intelligence tool can measure fibrosis, or scarring, in intestinal biopsies from people with Crohn's disease. The study will use previously collected biopsy samples and medical records from 100 adults to see if the AI's fibrosis score…

This study tests whether an artificial intelligence model can use routine laboratory results and patient information to identify people at high risk for colorectal adenomas, which are precancerous polyps. The researchers will collect data from 400 adults undergoing colonoscopy an…

This trial is testing two new imaging tracers, called CM500, to see if they can help detect solid tumors anywhere in the body. The tracers are given by injection and then used with PET scans to create detailed images. The study includes healthy volunteers and people with various …

This early study tests a new radioactive antibody called NTH-2403 in 16 people with advanced colorectal, head and neck, lung, or triple-negative breast cancers. The antibody targets a protein found on cancer cells and their supporting cells, allowing doctors to see tumors on scan…

This study investigates whether tiny particles shed by tumors into the blood, called extracellular vesicles, can serve as a non-invasive biomarker for metastatic colorectal cancer. Researchers will analyze blood samples from 290 patients at different treatment stages to see if th…

This study tests whether combining two stool tests—fecal immunochemical test (FIT) and fecal calprotectin (FC)—can accurately detect precancerous or cancerous changes in people with long-standing ulcerative colitis. Participants will provide stool samples and then undergo a speci…

This study tests whether annual liquid biopsies (from blood, urine, stool, and vaginal swabs) can safely replace colonoscopies every 18 months for people with Lynch syndrome. 2,000 participants will be split into two groups: one gets standard care (colonoscopy every 18 months), t…

This trial tests whether an AI system called GI Genius can help doctors accurately tell apart small colorectal polyps (5 mm or less) during a colonoscopy—identifying which ones are harmless versus those that need monitoring. For each small polyp, doctors first record their own di…

This study tests whether combining two screening questionnaires with a musculoskeletal ultrasound can detect spondyloarthritis—a type of inflammatory arthritis—in people who already have inflammatory bowel disease (IBD) but have not been diagnosed with arthritis. Two hundred adul…

This study compares two imaging methods for checking blood flow to the bowel during colorectal surgery: the standard technique using a dye called indocyanine green (ICG) and a newer dye-free method called Laser Speckle Contrast Imaging (LSCI). About 30 adults having elective colo…

This study aims to see if a blood test for TTG-IgA antibodies combined with symptom information can accurately sort adults into low, intermediate, or high risk for celiac disease. Researchers will analyze data from 15,500 patients who already had both a blood test and a duodenal …

This study tests a special capsule that patients swallow to check if their intestines are clear enough for a standard camera capsule. About 25 people with known or suspected intestinal narrowing will take part. They will swallow the patency capsule and get an X-ray within 30 hour…

This study looks at whether a substance in urine, called PGE-MUM, can show if ulcerative colitis is active or in remission. Researchers will collect urine and blood samples from 114 adults with confirmed ulcerative colitis and compare the results with colonoscopy findings. If suc…

This study aims to see if a simple blood test can find HPV-related oropharyngeal cancer early in men aged 50 and older who have no symptoms. Researchers will check blood for two markers of HPV and then follow up with those who test positive to find and treat any tumors. If succes…

This study tests whether spraying a mix of acetic acid and indigo carmine dye during colonoscopy helps doctors find more precancerous polyps (called sessile serrated lesions) in the right side of the colon compared to standard white-light colonoscopy. About 2,689 adults aged 45-8…

This study tests a urine test that detects gluten peptides in children with celiac disease who are on a gluten-free diet. The goal is to see if this test helps doctors and families identify accidental gluten exposure better than standard blood tests. One hundred children aged 2 t…

This study will compare two different PET/MRI scans to see which one is better at finding lymph node metastases in people with middle to high rectal cancer. Thirty participants will receive both types of scans before surgery. The goal is to see if the newer tracer, [68Ga]Ga-CTR-F…

This study tests whether a swallowable capsule camera (colon capsule endoscopy) can effectively screen for colorectal cancer in people with Lynch syndrome, a genetic condition that greatly increases cancer risk. Researchers will compare the capsule's ability to find polyps and ot…

This study will check how well MRI can find and map perianal fistulas before surgery. Thirty patients with suspected fistulas will get an MRI, and the results will be compared to what surgeons find during the operation. The goal is to see if MRI can help doctors plan better surge…

This study tests a simple 10-item checklist that parents can use during a video call to help doctors figure out if a child's belly pain is appendicitis. About 1,500 children aged 3 to 16 with stomach pain will try the checklist with a medical student, then get standard care. The …

This study aims to see if measuring two proteins in the blood, Talin-1 and Cripto-1, can help diagnose colorectal cancer. Researchers will compare these levels in 70 newly diagnosed patients and healthy people. The goal is to find a simpler, more accurate way to detect the diseas…

This study aims to improve how doctors classify colon tumors by using artificial intelligence (AI) to analyze CT scans. The AI will be trained to tell early-stage tumors from advanced ones and to detect lymph node involvement, which is key for deciding on treatments like chemothe…

This study looks at whether a fast PCR test on stool samples can help doctors make better treatment decisions for children with stomach symptoms like diarrhea, vomiting, or belly pain. About 526 children visiting the emergency room will be randomly assigned to get either immediat…

This study aims to increase the number of Native Americans who get a follow-up colonoscopy after an abnormal home stool test. Colorectal cancer is a leading cause of cancer death, and Native Americans are affected more than others. Researchers will work with the community to crea…

This study will test whether an artificial intelligence system can detect minimal residual disease—tiny amounts of cancer left after surgery—and predict recurrence in 700 people with rectal cancer. The AI combines blood tests, genetic data, and scans to create a more complete pic…

This study compares a new DNA sequencing platform (MGI) against the current standard (Illumina) for diagnosing hereditary cancers like breast and ovarian cancer, Lynch syndrome, and intestinal polyposis. Researchers will analyze 248 patient samples using both platforms to see if …

This study aims to translate and validate the Celiac Dietary Adherence Test (CDAT) for Polish children with celiac disease. Researchers will enroll 20 participants aged 2 to 18, along with their caregivers, to check if the Polish version accurately measures how well they follow a…

Researchers are testing an AI chatbot that gives personalized, culturally tailored advice on nutrition, physical activity, and goal setting to adults at risk for type 2 diabetes. About 30 adults aged 18 to 55 will use the chatbot for 6 weeks. The study will check whether the chat…

Researchers are testing an experimental drug called INCA33890 in people with stage II or III colorectal cancer who have finished surgery and chemotherapy but still have tiny amounts of tumor DNA in their blood. This leftover DNA, called circulating tumor DNA or ctDNA, can signal …

Researchers are testing whether a nasal catheter that diverts stool from the small intestine can prevent leaks after surgery for mid to low rectal cancer. The trial compares this catheter approach with a standard protective ileostomy, a temporary opening in the abdomen to divert …

Hirschsprung's disease is a rare birth defect where part of the bowel lacks nerve cells, causing blockage. Even after surgery to remove the affected section, many children still struggle with constipation, bloating, or a dangerous gut inflammation called enterocolitis. Researcher…

This trial tests a program where trained community members, called Colon Health Champions, lead discussions about colorectal cancer risk and screening barriers. The goal is to see if this peer-led approach is feasible and acceptable for adults aged 45 to 75 who are due for routin…

This Phase 2 trial tests whether psilocybin, a psychedelic compound, can prevent or lessen chemotherapy-induced peripheral neuropathy (nerve damage) in people with breast, colorectal, or head and neck cancer. About 83 participants will receive either psilocybin, a low-dose placeb…

This trial tests whether applying 5-ASA (mesalamine) directly to the ileal pouch after surgery for ulcerative colitis can prevent pouchitis—a painful inflammation that affects more than half of patients. Adults with UC who are scheduled for pouch surgery are randomly assigned to …

This early-phase trial tests a personalized vaccine made from a person's own immune cells (dendritic cells) loaded with cancer-specific markers. The goal is to train the immune system to recognize and destroy precancerous cells in people with Lynch syndrome, who have a high risk …

This study tests whether a multilevel screening program can increase colorectal cancer screening rates among Veterans aged 45-49, an age group now recommended for screening due to rising early-onset cases. Participants are randomly assigned to receive a patient education letter a…

This phase III trial tests whether a vaccine made from a person's own immune cells can prevent cancer in 372 adults with Lynch syndrome, a genetic condition that raises cancer risk. Participants receive either the vaccine or a placebo and are monitored for tumor development. The …

This study tests whether two types of fish oil, EPA and DHA, can improve metabolic health in people at high risk for type 2 diabetes. Over 12 weeks, 84 participants will take daily capsules of EPA, DHA, or a placebo (corn oil) and undergo specialized tests to measure insulin func…

This early-phase trial tests whether adding Ursodeoxycholic Acid (UDCA) to standard antibiotics can prevent Clostridioides difficile (C. diff) infection from returning. About 30 adults with C. diff and risk factors for recurrence will take UDCA three times daily for up to eight w…

This study tests whether combining continuous glucose monitors (CGMs) with group lifestyle sessions can help people with prediabetes lower their blood sugar and prevent type 2 diabetes. Twenty adults with prediabetes will attend regular group meetings on diet, exercise, and stres…

This study tests whether wearing tight compression garments on hands and feet during chemotherapy can prevent nerve damage (peripheral neuropathy) caused by taxane or oxaliplatin drugs. About 358 breast and colorectal cancer patients will be randomly assigned to wear compression …

This study tests a gel called TAR-0520 to see if it can prevent hand-foot syndrome, a painful skin reaction caused by the chemotherapy drug capecitabine. About 25 people with breast or colorectal cancer will apply the gel to their hands twice daily for 12 weeks. Their feet will n…

This study tests a 12-session virtual program to help adults with prediabetes in the UAE prevent type 2 diabetes. The program covers diet, physical activity, sleep, and stress management, and is led by a health coach from the same cultural background. Thirty participants will att…

This study tests whether the HPV vaccine can prevent the return of high-grade squamous intraepithelial lesions (HSIL) in people who have already been treated for them. About 984 adults aged 18–55 with HPV-related HSIL of the cervix, vulva, vagina, penis, or anus will receive eith…

This study tests whether a modified high-fiber version of the UK's EatWell diet can improve health markers linked to early-onset colorectal cancer. Two hundred adults in the UK will follow either the standard EatWell diet (30g fiber/day) or a modified version (40g fiber/day) for …

This trial tests whether having general practitioners (GPs) proactively give colorectal cancer screening kits to eligible patients (ages 50-74) increases screening rates compared to the usual practice of sending an invitation letter. Over 26,000 participants will be involved. The…

Researchers compare two approaches to care after ileostomy reversal surgery in children. One group receives the Enhanced Recovery After Surgery (ERAS) protocol, which includes early feeding, early catheter removal, early walking, and multimodal pain control. The other group recei…

Researchers compare two surgical methods for removing an inflamed appendix in obese patients: laparoscopic (keyhole) surgery and traditional open surgery. The trial enrolls 166 obese adults with acute appendicitis, randomly assigning each to one of the two procedures. The main go…

People with spinal cord injuries often rely on a bowel program to manage neurogenic bowel, a condition that makes it hard to control bowel movements. This trial compares three tools used during those programs: a bisacodyl suppository, a mini enema called Enemeez, and a transanal …

This study tests whether a 15-week well-being program can improve mood, reduce IBS symptoms, and boost quality of life in 150 adults with Irritable Bowel Syndrome. Participants will attend weekly one-hour sessions and be followed for up to 9 months. The goal is to see if focusing…

A loose seton is a thread surgeons place through a complex anal fistula to keep it draining. This pilot study follows 50 adults who already have a polypropylene seton and whose surgeon decides, as part of routine care, to replace it with a braided polyester one. Researchers ask e…

This study tests a mobile app designed to help Black and Hispanic adults with inflammatory bowel disease (IBD) manage stress and improve their quality of life. The app teaches coping skills, mindfulness, and disease acceptance. Researchers want to see if the app is practical and …

This trial tests whether a personalized 6-month exercise program can reduce persistent fatigue in people with inflammatory bowel disease (IBD) who are in remission. Researchers will randomly assign 120 participants to either the exercise program or usual care. Fatigue levels are …

Colorectal cancer patients who live with a stoma often face stigma, social anxiety, and loneliness. Researchers are testing a six-week mindfulness and self-compassion program adapted for these patients. The pilot trial enrolls 20 adults who have finished active treatment and spea…

This trial tests a virtual mind-body group program for female survivors of colorectal and anal cancer who experience sexual well-being challenges. Participants join weekly group sessions with other survivors to learn coping skills for physical changes, social factors, and thought…

This study tests whether an 8-week mindfulness-based stress reduction (MBSR) program can lower stress and improve well-being in people with inflammatory bowel disease (IBD). Seventy adults with mild-to-moderate IBD will either take the MBSR course online or watch an educational s…

This study tests whether a 10-session virtual group psychotherapy program can help people with inflammatory bowel disease (IBD) who also have anxiety or depression. The therapy is adapted from a standard manual called Mind Over Mood and includes education on the brain-gut connect…

This study asks whether drinking kefir every day can reduce gastrointestinal symptoms and improve quality of life in adults with celiac disease who follow a strict gluten-free diet. In a crossover design, 30 participants will consume 200 mL of kefir daily for four weeks, then con…

This trial tests whether a structured art therapy program, grounded in positive psychology, can improve self-compassion and hope in children aged 8 to 12 who are staying in a hospital ward. Half of the 80 participants will receive the art therapy sessions alongside standard nursi…

This trial investigates whether a traditional Chinese medicine formula, Xingqi Daozhi Decoction, can relieve constipation that often occurs as a side effect of antipsychotic medications in people with schizophrenia. The study will enroll 46 adults with schizophrenia who have deve…

This trial compares two types of exercise—calisthenics (bodyweight moves like squats and planks) and cycling—to see how they affect inflammation and quality of life in young women with irritable bowel syndrome (IBS). Participants, aged 18 to 25, will follow an exercise program wh…

This study compares transanal irrigation (using a device to rinse the bowel) against standard care (diet, fluids, laxatives) for treating severe constipation in people with Parkinson's disease. Researchers will also check if the treatment affects gut bacteria and motor symptoms. …

This phase III trial tests whether a daily probiotic supplement, OXXYSLAB®, can reduce peripheral neuropathy—nerve damage causing pain and numbness—in people with stage III colon cancer receiving oxaliplatin-based chemotherapy (FOLFOX or XELOX). About 130 participants will take e…

This study tests whether a special liquid diet (elemental diet) can help adults with inflammatory bowel disease (IBD) feel better during a flare. The diet provides all nutrients in an easy-to-digest form. Researchers will track symptom changes and inflammation levels in 42 outpat…

This trial tests whether two non-drug programs—targeted physiotherapy or supervised exercise—can reduce bladder and bowel symptoms in adolescents aged 13–18 with obesity. Participants will be randomly assigned to one of the two interventions or to standard obesity care for 12 wee…

This trial investigates whether gentle abdominal massage, performed early after colon cancer surgery, can help the intestines start working again more quickly. Many patients experience a temporary slowdown in gut function (postoperative ileus) that causes bloating, pain, and naus…

This study tests whether the powder used to clean the bowel before a colonoscopy can be taken as vegan capsules instead of mixing it into a liquid drink. Adults aged 18 to 75 who have had a prior colonoscopy will swallow many capsules with clear fluids. Researchers will check if …

This study looks at whether starting trans-anal irrigation (a procedure that uses warm water to help empty the bowel) within three months of stoma closure reduces daily bowel movements more than starting later. The trial involves 250 adults who have had rectal cancer surgery and …

This study tests whether an anti-bloating patch can reduce stomach swelling after heart surgery. Stomach bloating is common after cardiac procedures and can slow recovery. The trial will compare standard care alone to standard care plus the patch in 150 adults undergoing elective…

This study tests whether giving a drug called dexmedetomidine for 48 hours after laparoscopic bowel surgery helps patients recover better. About 70 adults will receive either the drug or a placebo, and neither they nor their doctors will know which. The main goal is to see if the…

This study tests whether an artificial intelligence-based dietary care app can reduce distress from bowel changes and improve quality of life in rectal cancer patients who have had anal-preserving surgery. One hundred participants will be randomly assigned to either standard diet…

This study tests whether a short liquid diet followed by a low-sulfur eating plan is safe and helpful for people with mild to moderate ulcerative colitis. Researchers will check if this approach improves gut health, lowers inflammation, and eases symptoms. They will also use brea…

This study tests whether letting patients give themselves sedation medication (propofol) by pressing a button during a colonoscopy leads to higher satisfaction than standard sedation given by a doctor. About 40 adults scheduled for colonoscopy will be randomly assigned to either …

This study tests whether a 12-week exercise program, delivered via Zoom, is practical and helpful for older adults (65+) with cancer who live in rural areas. Participants will do two supervised exercise sessions per week. The goal is to see if the program improves quality of life…

This study tests whether a home-based exercise program can help people with gastrointestinal or lung cancer handle chemotherapy better. Up to 120 participants will be randomly assigned to either an aerobic and resistance exercise group or a stretching group. All activities are do…

This study tests whether Anakinra, a drug that reduces inflammation, can prevent dangerous drops in blood sugar after meals in a patient who had his stomach removed. The 52-year-old man also has kidney failure and needs dialysis. Over 10 weeks, he will receive either Anakinra or …

This study develops and tests a support program for cancer survivors who worry about their cancer returning. 150 adults who finished treatment for breast, head and neck, colon-rectal, or prostate cancer will join. Depending on their level of fear, they will receive education, psy…

This study tests whether transplanting healthy gut bacteria (fecal microbiota transplantation) can help advanced cancer patients who are losing weight and appetite—a condition called cachexia. About 66 adults with stomach, colorectal, or lung cancer will receive the treatment. Th…

This study tests a web-based program designed to help advanced cancer patients manage symptoms like depression, pain, fatigue, and sleep problems, while also supporting their caregivers. The program combines online tools with guidance from healthcare professionals. Researchers wi…

This study tests whether electroacupuncture can help bowel function return faster after minimally invasive colorectal cancer surgery. 240 adults will be randomly assigned to receive real acupuncture, sham acupuncture, or standard care. The main goal is to see how quickly patients…

This study tests whether a supervised exercise program, started two weeks before chemotherapy and continued for 16 weeks during treatment, can help adults aged 35 to 65 with breast, lung, or colon cancer tolerate chemotherapy better. The goal is to see if participants can receive…

This study compares two types of catheters used for bowel irrigation to help people with chronic constipation and/or fecal incontinence. About 66 adults will be randomly assigned to use either a new self-retaining catheter or a standard balloon catheter. Participants will be trai…

This study tests whether neurofeedback — a type of brain training using real-time brainwave feedback — can reduce musculoskeletal pain in people with chronic inflammatory bowel disease (IBD). Eighty adults with IBD and persistent pain will be randomly assigned to either 8 session…

This study tests whether a supervised strength-training program is safe and practical for people with locally advanced rectal cancer who are receiving chemotherapy and radiation before surgery. Fifteen participants will do personalized resistance exercises twice a week for about …

This study tests a dietary supplement called GenesiDol for managing muscle and joint pain in people with inflammatory bowel disease (IBD), like Crohn's disease or ulcerative colitis. About 40 adults with persistent pain will take the supplement for 8 weeks to see if it reduces pa…

This study tests whether a functional food called Benemix® can safely improve bowel movements in adults with constipation. Eighty adults will take Benemix® daily for 15 days and track their bowel habits and any side effects. The goal is to see if this food product can ease consti…

This study tests two doses of linaclotide (72 mcg and 145 mcg) against a placebo in 90 adults with chronic constipation. Participants take the drug daily for 8 weeks and record their bowel movements and symptoms. The goal is to see if linaclotide improves bowel function and reduc…

This study tests whether a probiotic called Clostridium butyricum CBM588 can reduce diarrhea and improve quality of life in people who have had their pancreas removed due to cancer or other growths. About 158 patients will take either the probiotic or a placebo for three months a…

This study tests whether giving lidocaine through a vein during surgery, plus injecting ropivacaine into the surgical cuts, helps people recover better after laparoscopic colon cancer surgery. About 182 adults will be randomly assigned to get either the lidocaine plus ropivacaine…

This study compares two minimally invasive procedures for treating narrowed sections of the small intestine caused by Crohn's disease. About 100 participants will receive either a balloon dilation or a precise incision made during a special endoscopy. The goal is to see which app…

This study will test a one-day acceptance and commitment therapy (ACT) program for 50 veterans who have both inflammatory bowel disease (IBD) and a mental health condition like depression, anxiety, or PTSD. The goal is to see if this brief therapy can improve their quality of lif…

This study looks at whether exercise can lessen nerve damage caused by certain chemotherapy drugs. About 140 people with colorectal or gynecologic cancer will either exercise or receive usual care. Researchers will measure nerve function, blood markers, and quality of life to see…

This study tests a support program called FamCASP for adult family members of people with colorectal cancer. The program includes a digital screening tool and counseling to help families cope better. Researchers will compare families who get the support with those who don't, meas…

This study tests a diet rich in soluble fiber and natural osmotic sugars (the SOLOS diet) to see if it improves constipation symptoms in adults with functional bowel disorders like IBS-C. Researchers will track stool frequency, form, and symptom severity in 180 participants. The …

This study tests whether maple syrup, mixed with water and electrolytes, can improve cycling performance in trained male cyclists. Thirty-two participants will drink different amounts of maple syrup or a placebo during long rides. Researchers will measure how fast they finish a 2…

This study tests whether an AI-powered mobile app can help people with spinal cord injury manage bowel dysfunction. About 34 adults will use the app for 12 weeks to see if it reduces bowel problem scores, shortens bathroom time, and improves quality of life. The goal is to make d…

This study tests whether a special imaging mode called RDI helps doctors remove early-stage cancers from the stomach, esophagus, or colon more quickly and safely than standard white-light endoscopy. About 158 adults with early cancers or precancerous lesions will be randomly assi…

This early study tests whether selpercatinib, a drug already used for certain cancers, can help with cachexia (severe weight loss and appetite loss) in people with advanced lung, colon, or pancreatic cancer. Seven participants will take the drug twice daily for 12 weeks, with reg…

This study tests whether a combined exercise and abdominal massage program can improve bowel function and daily well-being in children aged 5-18 with functional constipation. Researchers will compare the program to standard care by measuring symptoms, rectal size, and quality of …

This study tests whether modafinil, a drug used for narcolepsy, can reduce severe fatigue in people with Crohn's disease or ulcerative colitis. About 70 participants will receive either modafinil or a placebo for 12 weeks. The main goal is to see if a larger trial is possible, bu…

This study tests a highly absorbable form of curcumin (from turmeric) in 72 adults with mid-to-low rectal cancer who are getting chemoradiation before surgery. The goal is to see if curcumin can reduce severe gut side effects like diarrhea and rectal pain. Researchers will also c…

This study tests whether injecting platelet-rich plasma (PRP) into the wound after fistulotomy surgery for simple anal fistula can speed healing and reduce pain. About 70 adults aged 18-65 with simple low anal fistulas will be randomly assigned to get either standard surgery plus…

This early-phase study tests whether a mixture of 157 live bacteria from healthy stool, called MITI 001, is safe for people with diarrhea-predominant irritable bowel syndrome (IBS-D). The goal is to restore healthy gut function and ease symptoms. Only 13 adults with specific sign…

This study looks at whether combining a non-invasive brain stimulation technique called rTMS with either a gut relaxant (pinaverium bromide) or a probiotic (bifidobacteria) can better ease symptoms of diarrhea-predominant irritable bowel syndrome (IBS-D). About 140 adults with ch…

This study looks at whether a nerve block (TAP block) given after laparoscopic gastric sleeve surgery can help the gut work normally again sooner. Sixty adults having weight-loss surgery will either get the block or standard pain care. Researchers will track gut symptoms using pa…

Researchers are observing 300 adults aged 60 and older with inflammatory bowel disease who are starting an advanced therapy chosen by their usual care team. The study tracks immune-aging markers such as CD4/CD8 ratio and IL-6, along with frailty and nutrition, over 52 weeks. The …

This study will follow 100 adults with Crohn's disease, ulcerative colitis, or other IBD, plus their healthy relatives, for up to 3 years. Researchers will collect blood, stool, tissue samples, and imaging to track how immune cells and genetics change over time. The goal is to fi…

This observational study gathers information from routine care on how localized rectal cancer is treated across Austrian hospitals. It aims to document the variety of treatment approaches, including total neoadjuvant therapy and immunotherapy, and their outcomes. By analyzing thi…

This pilot study looks at whether it is safe to stop giving antibiotics after surgery for a burst (perforated) appendix. About 100 adults will be randomly assigned to receive either antibiotics or no antibiotics after their operation. The main goal is to see if a larger study is …

Researchers are testing whether blocking three inflammation pathways at once (TL1A, IL-23, and α4β7) calms inflamed intestinal tissue more effectively than blocking each pathway alone. The study enrolls 30 people: 10 with ulcerative colitis, 10 with Crohn's disease, and 10 withou…

This study looks at how anxiety, depression, and stress might cause advanced IBD treatments to stop working. Researchers will ask 450 people with IBD to fill out questionnaires about their mental health while they receive regular infusions. The goal is to understand if mental hea…

This study aims to develop a method using advanced MRI scans to predict whether rectal cancer has been completely eliminated after chemoradiation. About 115 patients will be enrolled to test the accuracy of this MRI-based prediction. If it works, some patients might safely avoid …

Researchers at Assiut University Children Hospital are comparing conventional and biologic therapies in children and adolescents with inflammatory bowel disease, including Crohn's disease and ulcerative colitis. The study tracks about 100 patients to measure clinical remission at…

Irritable bowel syndrome looks different from person to person, and doctors usually classify it by bowel habits alone. This study asks 500 adults with a confirmed IBS diagnosis to complete a detailed online questionnaire covering symptoms, mood, diet triggers, sleep, and digital …

This study is exploring whether a rapid, non-invasive stool test can help monitor inflammatory bowel disease (IBD) in children. The test uses a technology called differential mobility spectrometry (DMS) to analyze the molecular profile of stool samples. Researchers will compare t…

Some people with inflammatory bowel disease who take anti-TNF drugs develop painful rashes in skin folds and around the mouth, a condition called SPIDER. Researchers at a French hospital are studying whether levels of Staphylococcus aureus bacteria in these rashes change over six…

Rectal cancer treatment can involve chemotherapy, radiation, surgery, or watch-and-wait surveillance, and each can affect bowel, urinary, sexual, and stoma function. Most studies measure quality of life at a single point or after one type of treatment, leaving gaps in how patient…

Researchers are testing a visual sampling capsule that collects fluid from different parts of the intestine without surgery. They will use it in 250 people, including those with active or remission Crohn's disease or ulcerative colitis, plus healthy volunteers. By analyzing the m…

This study will watch how doctors use a special camera (endoscopic ultrasound) to diagnose suspected pancreatic or bile duct diseases in 2500 adults across Lombardy, Italy. The goal is to see how accurate the procedure is, how safe it is, and how quickly patients get a final diag…

This study looks at whether showing AI suggestions a few seconds later helps doctors make better decisions when diagnosing small colon polyps. Seventy endoscopists will watch 100 polyp videos, with some seeing AI advice right away and others seeing it after a delay. The goal is t…

This study looks at how 'leaky' the gut is and what bacteria live in the intestines of 150 very low birth weight preterm babies. Researchers want to understand why some babies develop a life-threatening gut emergency called NEC. They will measure gut permeability using harmless s…

This study investigates whether the bacteria living in the gut influence the development of diverticular disease and acute diverticulitis. Researchers will compare the gut microbiota of people with and without these conditions to identify differences and risk factors. The goal is…

Researchers at Assiut University are studying how nutrition, diet-related inflammation, and blood markers relate to disease activity in people with inflammatory bowel disease (IBD), which includes Crohn's disease and ulcerative colitis. The study will enroll 100 adults aged 18 to…

Researchers at National Taiwan University Hospital are looking back at records of adults who came to the emergency department with right-sided belly pain and were diagnosed with either epiploic appendagitis or diverticulitis. They will compare symptoms, lab results, and CT and ul…

Researchers at Fudan University are testing whether an artificial intelligence tool can score bowel preparation quality by measuring fecal coverage during colonoscopy. The study enrolls 560 adults aged 45 to 75 who have not had a colonoscopy in the past three years. The goal is t…

This trial tests whether people living with HIV can collect their own anal swabs for anal cancer screening, compared with swabs taken by a clinician. About 700 participants in Australia will provide both types of swabs, which will be checked for high-risk HPV and precancerous cel…

This study tests a new short camera called a rectoscope to check the lower bowel after rectal tumour removal. The goal is to see if it can be used in the clinic with a simple enema instead of strong bowel prep, making follow-up checks faster and reducing waiting lists. Thirty pat…

This study looks at whether offering a simple take-home colon cancer test (FIT kit) at local pharmacies can increase screening rates. About 1,500 patients and pharmacy staff will take part. The goal is to see if this approach is practical, affordable, and effective at catching ca…

This study looks at whether children with celiac disease may have a higher risk of heart rhythm problems compared to healthy children. Researchers will measure specific heart rhythm intervals using an ECG in children diagnosed with celiac disease and compare them to healthy child…

This study looks at people who had surgery for advanced lower rectal cancer, comparing two procedures: one that removes the rectum and anus (requiring a permanent stoma) and one that removes the rectum but keeps the anus (with a reconnection). The goal is to see which approach le…

This study looks at how beta-cells (which make insulin) respond to growth hormone in people with prediabetes. Researchers will measure insulin release in 10 adults with impaired fasting glucose or impaired glucose tolerance. The goal is to better understand what raises the risk o…

This study looks at whether a combination of immune cell activity, genetic changes, and imaging features can help predict if colorectal cancer that has spread to the liver will come back after surgery. Researchers will analyze tumor tissue, blood samples, and scans from about 210…

This phase 2 trial tests whether a highly sensitive blood test (ctDNA) can help manage treatment for 200 people with early-stage rectal cancer. After standard chemotherapy and radiation, some patients will have their treatment guided by the blood test results instead of immediate…

This study looks at the long-term urinary, sexual, and bowel health of people aged 7 to 25 who had surgery for Hirschsprung disease as young children. Hirschsprung disease is a rare birth defect where part of the large intestine lacks nerve cells, causing blockages. Surgery remov…

This study investigates why children with inflammatory bowel disease (IBD) have an overactive immune response in the gut, and whether blood stem cells can be engineered to restore tolerance. Researchers will analyze blood and intestinal tissue samples from 80 children with IBD, w…

This study tests whether a specialized MRI technique, called hyperpolarized 13C-MRI, can detect early metabolic changes in gastrointestinal stromal tumors (GIST) during treatment with imatinib. Standard scans like CT and MRI only measure tumor size, which can take months to chang…

This lab study tests whether a cell-free mixture of molecules and particles released by human amniotic mesenchymal stromal cells can reduce inflammation, prevent scarring, and promote healing in gut tissue from people with inflammatory bowel disease (Crohn's disease or ulcerative…

People with inflammatory bowel disease (Crohn's disease or ulcerative colitis) have a higher risk of developing colorectal cancer. This study follows 800 adults with IBD who need a screening colonoscopy to look for precancerous growths called dysplasia. Researchers aim to underst…

This study looks at why some people have more pain than others after colorectal surgery. Researchers will test pain sensitivity, analyze blood for inflammation, and ask about emotional health and life stress. The goal is to find better ways to manage pain and prevent long-term di…

This study aims to find the best text messages to remind people to complete at-home colorectal cancer screening. Researchers will work with 7,220 adults aged 45-75 at community health centers. They will test different message versions to see which ones lead to more screening and …

This study investigates why colorectal adenomas (precancerous polyps) sometimes return after being surgically removed. Researchers will collect tissue samples from 30 patients and use advanced genetic sequencing to compare polyps that recur with those that do not. The goal is to …

This study is testing whether a blood test can locate where colorectal cancer has returned or spread after surgery. Researchers are analyzing genetic markers in the blood to build a model that predicts whether a recurrence is local or distant. The goal is to improve early detecti…

This study explores whether combining artificial intelligence analysis of tumor tissue with special blood tests (liquid biopsy) can more accurately predict if colon cancer will return after surgery. Researchers will follow 400 adults with stage II or III colon cancer for up to fi…

This study explores whether changes in heart rate, sleep, and activity measured by a person's own smartwatch can predict flare-ups in inflammatory bowel disease (IBD). Six hundred adults with Crohn's disease or ulcerative colitis who already own a compatible device will participa…

This study will follow 120 women having surgery for common anal conditions like fissures, hemorrhoids, or fistulas. Researchers want to see if their sexual function improves after surgery. Participants will fill out questionnaires before surgery and at 3 and 6 months after. The g…

This study looks at people with inflammatory bowel disease (IBD), including ulcerative colitis and Crohn's disease, to better understand their risk of serious heart problems like stroke and heart attack. Researchers will collect information on therapy, disease activity, lifestyle…

This study follows about 2000 people with colorectal cancer to track their health over time, including survival, disease progression, and side effects from treatments. Researchers aim to understand how the disease behaves in real-world settings, outside of controlled clinical tri…

This study will follow 100 people with severe obesity who are starting a GLP-1 drug (like Ozempic or Wegovy) to see if it causes new anal or rectal problems within the first 3 months. Participants will have a check-up before starting the drug and again after 3 months to look for …

This observational study will collect detailed information from 150 adults undergoing emergency surgery for complicated diverticulitis. Researchers will analyze factors that influence surgeons' decisions to perform either a primary anastomosis (reconnecting the bowel) or a Hartma…

This study will follow 200 people with colorectal cancer and healthy controls to explore how genes, blood sugar, and immune responses are connected. Researchers will analyze blood and tissue samples to find shared genetic factors that may influence both cancer and diabetes. The g…

This study is testing whether a green dye called indocyanine green (ICG) can help surgeons see and remove lymph nodes that contain cancer during laparoscopic colon cancer surgery. About 25 adults with colon cancer will receive the dye injected around the tumor and into a vein. Th…

This study looks at whether the type of stapler used to reconnect the bowel after colorectal cancer surgery affects the risk of a leak. About 600 adults having planned surgery will be observed, but their treatment won't change. The goal is to see if newer staplers are safer than …

This study looks at where cancer spreads to lymph nodes in people with colon or rectal cancer. Researchers will examine tissue from 1200 patients who had surgery to remove their cancer. The goal is to find patterns that could help doctors better plan treatment in the future.

This study looks at how often polyps in the stomach or colon grow back after being removed during a scope procedure. Researchers will follow about 2,000 adults for up to three years to track recurrence and identify risk factors like polyp size, lifestyle, and health history. The …

This study uses a wearable glucose sensor and artificial intelligence to understand how healthy adults process sugar. Researchers will track blood sugar patterns for 14 days and link them to diet, activity, and health measures. The goal is to develop personalized nutrition tools …

This study tests whether training healthcare providers to reduce stigma can increase the use of HIV and STI prevention services, like testing and preventive medications. It will involve 8 clinics in the Mississippi Delta and track changes in how often patients receive these servi…

This study will collect blood samples from 1,000 people with small colon growths to see if a liquid biopsy can accurately tell benign from malignant lesions and predict cancer spread to lymph nodes. Current methods often lead to unnecessary surgery. The goal is to create a bioban…

This study looks at how decision counseling affects people who get a positive result on the Shield blood test for colorectal cancer. Researchers want to see if counseling helps reduce confusion and increases the chance of getting a follow-up colonoscopy. About 350 adults aged 45-…

This study follows 75 adults with Crohn's disease or ulcerative colitis who are starting guselkumab, a drug used for inflammatory bowel disease. Researchers want to see if the drug also helps with joint pain and stiffness linked to spondyloarthritis. Participants will report symp…

This study will check if people with Lynch syndrome, a genetic condition that raises cancer risk, have more gum disease than the general population. Researchers will look at dental records from 25 adults with Lynch syndrome. The goal is to see if gum disease is a hidden health is…

This study will interview 15 adults with stricturing Crohn's disease to learn which symptoms matter most to them and what early warning signs they notice. Researchers hope to use this information to create a better clinical assessment score. Participants will have a one-hour inte…

This study looks at adults with severe constipation and an enlarged rectum (idiopathic megarectum) to see if the problem started in childhood. Researchers will compare 120 participants—some with the condition and some without—by asking about their early-life digestive health and …

This study looks at a new way to control inflammation during flare-ups of Crohn's disease and ulcerative colitis. Researchers will take blood samples from 30 adults with severe IBD and test whether oxygen microbubbles can reprogram immune cells (monocytes) to produce fewer inflam…

This study aims to see if a new, simpler tool called CRIS can help doctors better predict which large colon polyps contain cancer. About 764 patients and many endoscopists will take part, comparing the new score to an existing one. The goal is to make cancer risk assessment easie…

This study looks at the eating habits of 50 pregnant women with inflammatory bowel disease (IBD). Researchers want to see if better diet quality is linked to healthier pregnancies and baby growth. The goal is to find nutritional gaps and suggest better dietary advice for this gro…

This study looks at whether tumor DNA found in blood or peritoneal fluid can predict the spread of digestive cancers (stomach, colon, pancreas) to the lining of the abdomen. Researchers will follow 300 patients with early-stage tumors to see if those with positive DNA markers are…

This study looks at adults who had a C. diff infection and were treated with either a fecal transplant (FMT) or antibiotics alone. Researchers want to see if FMT leads to healthier gut bacteria and fewer health problems years later. Participants will give blood, stool, and urine …

This study looks at whether wearing a continuous glucose monitor (CGM) and receiving education can help teenagers with prediabetes improve their blood sugar levels and adopt healthier behaviors. Twenty-five teens aged 13-17 will take part in a 20-week program, first receiving sta…

This observational study follows 200 patients with colorectal cancer whose liver tumors are found at the same time as the primary cancer. Researchers will compare one-step surgery (removing both tumors at once) versus staged operations (bowel first or liver first) to see which ap…

This study looks at whether premature infants who had necrotizing enterocolitis (NEC) are more likely to develop allergies by age 2. Researchers will compare skin prick test results between 130 infants with and without NEC. The goal is to understand if NEC affects later allergy d…

This study tests whether giving breast milk enemas to preterm babies can improve their gut bacteria and reduce complications like feeding problems. Sixty preterm infants will receive either breast milk or saltwater enemas for five days. The goal is to see if this simple approach …

This study will look at tumor samples and health records from 300 people who had surgery for rectal cancer. The goal is to find patterns in the tumor's immune environment that can predict which patients will respond well to chemotherapy or immunotherapy. This could help doctors i…

This study will give fecal transplants to 90 people with recurrent C. difficile infection, ulcerative colitis, or metabolic syndrome. Researchers will use advanced tests on stool and tissue samples to track how donor bacteria settle in the gut and interact with the host. The goal…

This study will look at health records of 10,000 patients in Qatar who were hospitalized for heart problems and have diabetes or prediabetes. Researchers will use artificial intelligence to find patterns that predict future heart attacks, strokes, or death. The goal is to create …

This study will collect information from 2,000 adults having colorectal surgery with the Hugo RAS robot. Researchers will track complications, recovery, and long-term outcomes to see how safe and effective the system is. The goal is to provide real-world evidence to improve minim…

This study looks at whether certain gut bacteria help the remaining intestine absorb nutrients better after surgery for short bowel syndrome. Researchers will follow 15 adults who are having surgery to reconnect their small intestine and colon. They will measure how well the inte…

This study follows 42 women with HPV-positive pelvic cancer (cervix, vagina, vulva, or anus) to understand how radiotherapy, with or without surgery, affects their sexual quality of life. Participants complete questionnaires about sexual function and emotional distress over time.…

This study will examine 100 patients with lower gut symptoms like chronic diarrhea, blood in stool, or abdominal pain who are having a colonoscopy. Researchers want to see which types of colon inflammation (colitis) are most common and how they appear during the procedure. The go…

This study will check 100 adults with chronic pancreatitis or who had part of their pancreas removed. Even though they take enzyme pills, they still have stomach pain, bloating, or diarrhea. Researchers will use breath tests to see if a condition called SIBO (too much bacteria in…

This study looks at two ways to measure endometriosis growths in the bowel before and during surgery. About 98 women will get both a standard vaginal ultrasound before surgery and a special ultrasound during their operation. The goal is to see if the during-surgery ultrasound giv…

This study looks at whether using ultrasound during surgery helps doctors better remove deep endometriosis from the bowel while keeping the bowel wall safe. About 57 women with bowel endometriosis will have their surgery guided by ultrasound. The goal is to see if this approach r…

The SIRENA study will follow 300 children and adults who have tested positive for islet autoantibodies, which are early markers of type 1 diabetes. Over up to 10 years, researchers will track how their blood sugar, immune system, and metabolism change. The goal is to better predi…

This study looks at why colorectal cancer spreads to the liver. Researchers will collect tumor samples from 156 patients during surgery to study a protein called SMYD3. They believe SMYD3 helps cancer cells survive and grow in the liver by changing how cells use energy and handle…

This study looks at how weight and body mass index (BMI) change in people with inflammatory bowel disease (IBD) who are treated with biologic drugs. Researchers will track weight monthly and see if higher BMI leads to higher drug doses and costs. The goal is to understand the fin…

This study will enroll 210 people scheduled for colorectal cancer surgery. Researchers will collect data from wearable devices, continuous glucose monitors, and blood protein tests to see if they can better predict who will have complications after surgery. The goal is to improve…

This study is building a new questionnaire to measure how well people with inflammatory bowel disease (IBD) take care of themselves. Researchers will talk to 275 adults with Crohn's disease or ulcerative colitis to understand their self-care habits, then test the questionnaire to…

This study looks at how common muscle loss (sarcopenia) is in people with inflammatory bowel disease (IBD) using CT scans. Researchers want to see if muscle loss changes how well biologic treatments work. About 50 adults with IBD who have received biologic therapy will take part.

This study looks at whether giving fish oil nutrition before colon surgery helps patients with constipation recover better. About 306 adults will either get fish oil before surgery or only after. Researchers will compare complication rates, recovery, and quality of life. The goal…

Hirschsprung disease is a rare birth defect where nerve cells are missing in part of the colon, causing severe constipation. Surgery to remove the affected section is the main treatment. This study compares two ways to do that surgery: one through the anus only, and another using…

This study will track 500 adults hospitalized with a blocked large bowel across multiple countries. Researchers will collect data on how each hospital diagnoses and treats the blockage, whether with surgery or other methods, and what happens to patients within 30 days. The goal i…

This study will test two different imaging techniques to help surgeons see blood flow in the bowel during surgery for colorectal cancer. About 150 adults having a specific type of colon surgery will be included. The goal is to see which method works best to guide surgical decisio…

This study will use powerful MRI scans on intestinal tissue removed during surgery from 60 people with Crohn's disease. The goal is to better tell apart active inflammation from permanent scarring, which is hard to do with current scans. By comparing MRI results with detailed tis…

This study will collect data from 10,000 patients across Saudi Arabia who undergo emergency abdominal surgery (laparotomy). Researchers will track complications and deaths within 30 and 90 days after surgery. The goal is to understand current care quality, test international risk…

This study tests whether a prepackaged low-residue diet (Colobox) helps clean the colon better than just following oral and written instructions before a colonoscopy. Around 230 adults will be randomly assigned to one of two diet plans for 24 hours before the procedure. The goal …

This study will enroll 5,500 average-risk adults in Texas to see if offering a blood test for colorectal cancer, along with an educational smartphone app, increases screening rates. Participants can choose the blood test, and some will get the app to help them follow up. The goal…

This study reviews medical records of 450 children who had surgery for a blocked duodenum (duodenal atresia) over the past 20 years. Researchers want to find out how often bile duct and pancreas problems occur after surgery, and what might cause them. The goal is to better unders…

This study will test a new way to offer vaccines to vulnerable patients—those with chronic diseases or weakened immune systems—during hospital visits. Researchers will see if offering, prescribing, and giving vaccines in the hospital increases how many people get vaccinated. The …

This study tests a new questionnaire called PET (Patient Experience in Telehealth) to see if it accurately measures how patients feel about telemedicine visits. Researchers will ask 200 adults who had a telemedicine appointment at an Italian hospital to fill out the survey. The g…

This study will analyze tumor samples from 50 women with advanced or recurrent endometrial cancer to find biological markers that predict whether immunotherapy will work. Researchers will examine the tumor's DNA, epigenetics, and surrounding environment. The goal is to better und…

This study looks at two ways to remove rectal cancer tumors. The newer method removes the tumor through the anus, avoiding extra cuts in the belly. The goal is to see if this leads to fewer wound problems and less pain after surgery. The study will review records from 190 adult p…

This study tests whether fluorescent dyes attached to two IBD drugs (adalimumab and risankizumab) can show where the drugs go in the gut. 30 adults with ulcerative colitis or Crohn's disease will receive a low dose of the labelled drugs, then undergo a special camera procedure 2-…

This study looks at whether doctors are properly reporting small cancer spots called tumor deposits in people with rectal cancer. These spots can show if the cancer is more aggressive and might need extra treatment like chemo or radiation. Researchers will compare reports from be…

This study looks at whether a simple intestinal ultrasound can accurately measure disease activity in people with active ulcerative colitis, compared to the standard colonoscopy. Researchers will enroll 200 adults with active UC to see if the ultrasound scores match the colonosco…

This study looks at why some people with irritable bowel syndrome (IBS) feel more belly pain after eating fructose (a sugar found in fruit). Researchers will check the gut bacteria and other body signals in 60 IBS patients. No new treatment is tested — the goal is to better under…

This study tests whether using the 'teach-back' method—where patients repeat back what they've learned—improves understanding and reduces readmissions after same-day anal fistula surgery. Half of the 76 participants will get this interactive education, while the other half receiv…

This study looks at whether measuring visceral fat (belly fat) using CT scans can predict how well ulcerative colitis patients respond to biologic therapy. Researchers will follow 200 adults with active ulcerative colitis for 6 months, tracking changes in fat volume and treatment…

This study looks at 38 women who had pelvic side effects (like pain in the rectum, bladder, or vagina) after radiation or chemotherapy for gynecological cancers. Researchers will compare their gut bacteria to healthy controls and see if rectal ozone therapy changes the microbiome…

This study will check how common Helicobacter pylori infection is in 100 adults with inflammatory bowel disease (Crohn's or colitis) at the Guadeloupe hospital. Researchers will take extra stomach biopsies during routine endoscopy to study the stomach's bacteria. The goal is to s…

This study looks at how a personalized strength training program affects people with different cancers, including lung, colon, breast, and blood cancers. 150 adults will either do supervised strength training plus home exercises, or just home exercises, for 12 weeks. Researchers …

This registry study will collect medical information and biological samples from 1,000 people with gastrointestinal stromal tumors (GIST), a rare type of digestive tract cancer. The goal is to better understand how GIST behaves, especially in rare forms, and to identify factors t…

This study looks at how the bacteria in the gut and mouth relate to nutrition in 150 adults with digestive cancer starting chemotherapy. Researchers will collect stool and saliva samples, along with questionnaires and tests, before and after the first chemo cycle. The goal is to …

This study looks at the viruses (called bacteriophages) living in the guts of people with inflammatory bowel disease (IBD) and healthy people. Researchers want to understand how these viruses differ and whether they can be grown in a lab to create a new treatment. The study invol…

This study will follow 100 people who need a stoma (an opening in the belly to pass stool) after surgery. Some will have their stoma site marked and get education before surgery, while others will not. The goal is to see if these steps improve quality of life and reduce problems …

This study compares a newer imaging method called TXI with standard dye-based imaging during colonoscopies in people with inflammatory bowel disease (IBD). The goal is to see which method better detects precancerous changes that can lead to bowel cancer. About 242 adults with IBD…

This study creates a registry of 500 cancer patients receiving immunotherapy to better understand and manage immune-related side effects (irAEs). Researchers will collect data on who gets these side effects, how they present, and what treatments work best. The goal is to improve …

This study tests a digital diary called MyMedDiary in 120 children (ages 2-18) newly diagnosed with celiac disease. The app helps families track gluten-free foods and spot hidden sources of gluten. Researchers want to see if the app improves diet adherence compared to traditional…

This study will test a tool that helps doctors decide whether colorectal cancer screening is appropriate for adults over 75 based on their life expectancy. Researchers will develop a life expectancy model and then give doctors alerts in the electronic health record. The goal is t…

This study looks at whether taking a daily vitamin D supplement (2000 IU) for 12 months can improve the health and quality of life of people with Crohn's disease or ulcerative colitis. Researchers will track how well participants stick to the supplement and measure their vitamin …

This observational study will follow 4500 adults with Crohn's disease or ulcerative colitis to identify biological markers—such as gut bacteria patterns—that predict disease progression and complications. Researchers will collect blood, stool, saliva, and tissue samples during ro…

This study follows 80 adults who had a tube placed into their bowel (called a percutaneous endoscopic caecostomy, or PEC) to treat severe chronic constipation that didn't improve with standard treatments. Researchers will check long-term quality of life and how well the tube work…

This study tests whether data from a wearable device and grocery loyalty cards can help detect disease flares in people with Crohn's disease or ulcerative colitis. Eighty adults will wear a smartwatch and use a store card to track their health and food purchases. The goal is to d…

This study looks at 140 children with celiac disease, ages 2 to 18, who have been on a gluten-free diet for at least 6 months. Researchers will compare a questionnaire and rapid urine/stool tests to standard blood tests to see which methods best measure diet adherence. The goal i…