Intestinal disorder

This trial is testing an experimental oral drug, LG00313112, in people with advanced solid tumors that carry a specific genetic change called TP53 Y220C. The drug aims to restore the function of the p53 protein, which normally helps stop cancer growth. The study includes adults w…

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 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 phase 2 trial is testing whether a combination of two immunotherapy drugs, botensilimab and balstilimab, can completely eliminate early-stage rectal cancer in people whose tumors are microsatellite stable (MSS). Participants receive one infusion of botensilimab followed by b…

This study tests a new vaccine (IP-QSV) designed to protect against four types of Shigella bacteria, which cause severe diarrhea. The trial will include 370 healthy adults, children, and infants in Mali. Researchers will check if the vaccine is safe and triggers a strong immune r…

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 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 phase II trial is testing whether combining the experimental immunotherapy drug ivonescimab with chemotherapy (paclitaxel) delivered directly into the abdomen can safely and effectively treat people with high-grade metastatic appendiceal adenocarcinoma that cannot be removed…

This trial tests whether a multimodal prehabilitation program—combining exercise, nutrition, and psychological support—can improve outcomes for patients with tumor-related bowel obstruction. Participants are randomly assigned to receive either this program plus postoperative immu…

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 early trial is testing whether a new investigational drug called HX15001, given as an injection, can be safely combined with an existing pill (etrasimod) to treat moderate-to-severe ulcerative colitis. The study will include about 32 adults with the condition and will focus …

This clinical trial is testing an experimental oral medication called AC-101 in adults with moderately to severely active ulcerative colitis (UC), a chronic inflammatory bowel disease. The study aims to see if AC-101 can help achieve clinical remission—meaning fewer symptoms and …

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 tests whether TU-100, a traditional Japanese herbal medicine made from ginger, ginseng, and Japanese pepper, can help the gut recover faster after major abdominal or pelvic surgery. About 240 adults undergoing either bladder removal (radical cystectomy) or comp…

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 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 a new medicine called SOT109 for people with advanced colorectal cancer that cannot be removed by surgery or has spread. SOT109 is designed to find and attack cancer cells that have a specific marker (CDH17) while sparing healthy cells. The study has two parts: t…

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 (…

This trial compares two endoscopic techniques for removing flat, non-cancerous colorectal polyps that are 10-20 mm in size. One method uses a cold snare (no heat), while the other uses a hot snare with electrocautery. The goal is to see if the cold approach is just as effective a…

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 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 1 trial is testing an experimental oral drug called QLS1510, which is being developed for inflammatory bowel disease (IBD). The study enrolls healthy adults aged 18 to 45 to evaluate the drug's safety, tolerability, how it moves through the body, and the effect of food…

This trial tests whether an AI tool called SurgDiff can predict how difficult rectal cancer surgery will be, based on MRI scans and patient data. The goal is to help surgeons choose the best surgical approach for each patient, potentially reducing complications. The study involve…

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 early-stage trial is testing an experimental oral medication called HRS-7085 in adults with moderate to severe ulcerative colitis, a chronic inflammatory bowel disease. The main goal is to see if the drug is safe and tolerable, and to understand how it moves through the body…

This trial tests whether adding whey protein supplements, resistance training, or both can improve muscle mass in adults with chronic intestinal failure and low muscle mass. Participants receive standard nutritional support and are randomly assigned to one of four groups: usual c…

This early-stage trial is testing an experimental drug called SHR-7590 to see if it is safe and tolerable when given by injection under the skin or into a vein. It involves healthy volunteers and people with moderate-to-severe ulcerative colitis, a condition that causes inflammat…

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 trial tests whether different intermittent fasting schedules—5:2, alternate-day, and time-restricted eating—can improve blood sugar, cholesterol, inflammation, and body composition in adults with prediabetes. Participants will be randomly assigned to one of three fasting pla…

This trial tests whether an arginine-free diet, given as a liquid formula for four weeks, can enhance the effects of standard chemoradiotherapy in people with locally advanced rectal cancer. The study first checks the diet's safety in a small group, then randomly assigns about 13…

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 is testing whether guselkumab, a biologic drug, can help people with moderate-to-severe ulcerative colitis achieve remission. Participants receive IV infusions followed by maintenance injections. The trial tracks clinical, endoscopic, and histological healing over 48 w…

This trial is testing an experimental oral drug called PTT-621 in adults aged 18-70 with moderate-to-severe ulcerative colitis who haven't responded well to standard treatments. Participants will take PTT-621 tablets for 12 weeks. The main goal is to see if the drug can improve t…

This early-stage trial evaluates an investigational oral drug called ONO-6414 in healthy adults and in people with active ulcerative colitis. The main goals are to assess the drug's safety, tolerability, and how the body processes it. The study includes single and multiple doses,…

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 is testing whether an investigational drug called SYS6090, when combined with standard treatments like bevacizumab and chemotherapy, can safely and effectively treat advanced colorectal cancer that cannot be removed by surgery. The study includes adults with a specific…

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 early-stage trial is testing whether a drug called aletekitug is safe and tolerable for people with moderate to severe ulcerative colitis, a chronic inflammatory bowel disease. The drug works by blocking a protein called IL-18, which may play a role in the inflammation that …

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 study will test whether a diet rich in protein and fiber can reduce harmful gas-producing bacteria in the gut of people with ulcerative colitis. Forty adults with mild to moderate disease will eat specially prepared frozen meals for two separate week-long periods. Researcher…

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 early-stage trial is testing an experimental oral medication called Alpha-0261 in about 10 adults with moderate to severe ulcerative colitis. The main goal is to check the drug's safety and tolerability, while also looking at whether it can help reduce symptoms and lead to c…

This trial tests whether a special light mode called linked color imaging (LCI) helps doctors find more sessile serrated lesions (a type of precancerous colon polyp) during colonoscopy than standard white light. About 2,000 adults aged 45 and older having their first screening co…

This trial is testing whether an experimental drug called MRG007, given together with standard chemotherapy and targeted therapies, can safely shrink tumors in people with advanced colorectal cancer that cannot be removed by surgery. The study involves about 316 participants and …

This early-stage trial is testing an experimental treatment called the IKS04 regimen in people with advanced cancers of the digestive system, including colorectal, stomach, pancreatic, and bile duct cancers. The regimen combines a targeted antibody-drug conjugate with an addition…

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 trial is testing whether transplanting healthy gut bacteria can boost the power of immunotherapy and chemoradiotherapy in people with a common type of locally advanced rectal cancer. Participants receive a combination of sintilimab (an immunotherapy drug), CAPOX chemotherapy…

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 phase 3 trial tests whether an experimental drug called DWP14012 (fexuprazan) can heal stomach ulcers as well as or better than the standard treatment lansoprazole. About 384 adults with at least one active gastric ulcer will receive either DWP14012 or lansoprazole daily for…

This phase III trial is testing whether an experimental drug called BL-M07D1 can slow or stop the growth of advanced colorectal cancer in people whose tumors have high levels of the HER2 protein and who have already tried standard chemotherapy. Participants will be randomly assig…

This phase 2 trial is testing whether adding an experimental drug called DCSZ11 to standard radiation and chemotherapy can improve outcomes for people with a high-risk type of rectal cancer. The study will enroll 30 adults who have not had prior treatment. The goal is to see if t…

This phase II trial is testing whether adding an experimental drug called retlirafusp alfa to standard chemotherapy and bevacizumab, with or without a short course of radiotherapy, can shrink liver metastases from colorectal cancer enough to allow surgical removal. The study enro…

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 2 trial is testing whether combining an experimental drug called S-531011 with a precise radiation technique known as RadScopal can help control metastatic colorectal cancer that has not responded to prior treatments. The study enrolls about 30 adults with advanced dis…

This phase 2 trial is testing whether adding two extra drugs—bevacizumab and sintilimab—to the usual combination of irinotecan and cetuximab can shrink tumors in people with advanced colorectal cancer that no longer responds to irinotecan. The study enrolls 160 adults with RAS wi…

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 early study tests whether adding donor natural killer (NK) cells to standard maintenance therapy can safely help control advanced lung and colorectal cancers. About 20 adults will receive NK cell infusions alongside their usual drugs. The main goal is to check for side effec…

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 phase 2 trial tests whether combining the experimental drug tunlametinib with other targeted therapies can shrink tumors or slow cancer growth in people with metastatic colorectal cancer that has worsened after at least one prior treatment. Participants are grouped based on …

This study tests whether sending patients home on the same day of surgery, with follow-up care via phone calls, home visits, and a mobile app, is as safe and less costly than keeping them in the hospital overnight. The trial includes adults in Uganda having low-risk procedures su…

This study tests whether a traditional Chinese herbal formula called Hewei Anchang Formula can ease overlapping symptoms of functional dyspepsia (indigestion) and diarrhea-predominant irritable bowel syndrome (IBS-D). Researchers will give 120 adults either the herbal granules or…

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 phase 2 trial tests an experimental drug called SHR-A1904 in people with advanced colorectal cancer that has spread and no longer responds to standard treatments. The study aims to see if the drug is safe and can shrink tumors or slow the disease. Participants must have alre…

This study tests whether a supplement called palmitoylethanolamide (PEA) can help people with mild-to-moderate ulcerative colitis. Researchers will measure changes in disease activity, quality of life, and inflammation markers in 60 participants. The goal is to see if adding PEA …

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 combining risankizumab with either trosunilimab or ABBV-701 can safely reduce inflammation and improve symptoms in adults with moderately to severely active Crohn's disease or ulcerative colitis. Participants are randomly assigned to one of the combinatio…

This study tests a new biologic drug called XYA02 in 190 adults with advanced solid tumors (including lung, ovarian, and pancreatic cancers) that have not responded to standard treatments. The main goals are to check safety, find the best dose, and see if the drug can shrink tumo…

This early-phase study tests a new drug called KIVU-305 in people with advanced solid tumors that have stopped responding to standard treatments. The drug is designed to target and attack cancer cells while sparing healthy ones. The main goal is to find a safe dose and see if the…

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 phase 2 trial tests whether giving a combination of an immunotherapy drug (serplulimab), an epigenetic drug (decitabine), and chemotherapy (CAPOX) before surgery can improve outcomes for people with locally advanced colorectal cancer. The study enrolls 35 adults with previou…

This trial investigates whether combining two drugs—trastuzumab deruxtecan (T-DXd) and cetuximab—can shrink tumors in people with advanced colorectal cancer that has low levels of the HER2 protein and has worsened after standard treatments. The study enrolls adults with metastati…

This study tests whether verapamil, a common blood pressure medication, can help protect insulin-producing cells in people with cystic fibrosis who have early blood sugar problems or diabetes. Participants take verapamil for several weeks, and researchers measure changes in insul…

This early-stage trial tests a new drug called CT-202 in people with advanced triple-negative breast cancer, colorectal cancer, or bladder cancer that has come back or spread. The drug is a bispecific antibody designed to help the immune system attack cancer cells that have a pro…

This phase 2 trial tests the drug velzatinib in people with advanced gastrointestinal stromal tumors (GIST) that have stopped responding to or cannot tolerate several standard treatments. The study aims to see if velzatinib can shrink or control the tumors and how safe it is. Par…

This phase III trial is testing whether adding two immunotherapy drugs (iparomlimab and tuvonralimab) to standard chemotherapy after short-course radiation can improve outcomes for people with a specific type of locally advanced rectal cancer (pMMR/MSS). Participants receive eith…

This pilot study explores whether patients with margin-clear stage II or III rectal cancer who do not need a permanent colostomy can safely go straight to surgery instead of receiving chemotherapy first. Participants are randomly assigned to either 12 weeks of chemotherapy follow…

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 trial tests whether the oral drug ponesimod can help people with moderately to severely active ulcerative colitis achieve remission. Participants receive either ponesimod or a placebo daily for 16 weeks, with an option to continue on ponesimod for another 36 weeks. The study…

This phase 3 trial compares a new drug, velzatinib, to the standard drug imatinib in 800 people with advanced gastrointestinal stromal tumors (GIST) that have spread or cannot be removed by surgery. The goal is to see if velzatinib can delay tumor growth better than imatinib. Par…

This trial investigates whether adding two targeted drugs—tafolecimab and sintilimab—to standard chemoradiation can improve outcomes for people with locally advanced rectal cancer that has not spread. Participants receive short-course radiation followed by chemotherapy plus immun…

This clinical trial investigates whether Jingfang Granules, a traditional Chinese herbal medicine, can safely and effectively reduce symptoms of diarrhea-predominant irritable bowel syndrome (IBS-D) in people with a specific pattern called cold-dampness disturbing spleen syndrome…

This trial tests an experimental drug called ontunisertib in people with Crohn's disease who have developed scarred, narrowed sections in their bowel that cause pain and blockages. The goal is to see if the drug can reopen these narrowed areas, potentially reducing symptoms and t…

This trial investigates whether adding the drug savolitinib to standard chemotherapy plus cetuximab improves tumor shrinkage in people with a specific genetic subtype (RAS/BRAF wild-type) of metastatic colorectal cancer that has not been treated before. Participants are randomly …

This phase II trial tests a combination of two drugs—SYS6026 and Enlonstobart—in people with advanced solid tumors that have spread and are linked to HPV types 16 or 18. The study aims to see if the combination is safe and shows signs of shrinking tumors. Participants must be at …

This trial compares two techniques—snare tip soft coagulation and hybrid APC—used to burn the edges of the wound after removing large colon polyps. The goal is to see which method is faster while still preventing polyps from coming back. About 140 adults with large non-cancerous …

This phase 2 trial tests whether the combination of pembrolizumab (an immunotherapy) and lenvatinib (a targeted therapy) can shrink tumors in people with advanced anal squamous cell cancer that cannot be removed by surgery or has spread to other organs. Participants must have alr…

This study compares two ways to treat uncomplicated perianal fistula: conventional open surgery (fistulectomy) and a newer laser ablation technique. About 72 adults with a single, simple fistula tract will be randomly assigned to one of the two procedures. Researchers will track …

This early-phase trial will test whether adding semaglutide (a GLP-1 drug used for diabetes and weight loss) to standard chemotherapy is safe and tolerable for people with metastatic pancreatic, colorectal, or liver cancer. About 30 participants will receive weekly semaglutide in…

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 phase 2 trial tests whether an experimental oral tablet called H021 can help people with moderate to severe Crohn's disease. Participants receive either a low or high dose of H021 or a placebo for 12 weeks, with an option to continue treatment. The study measures symptom imp…

This phase 3 trial tests whether adding the experimental drug SHR-A1811 to standard chemotherapy and bevacizumab works better than standard therapy alone for people with advanced colorectal cancer who have not had prior treatment. About 300 participants will receive either the ne…

This study tests whether a specially designed anti-inflammatory diet can reduce symptoms and gut inflammation in people with mild-to-moderate Crohn's disease. For 8 weeks, 122 participants will receive fully catered meals and weekly coaching from a dietitian. The goal is to see i…

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 phase 2 trial tests whether adding an experimental drug called tovecimig to standard chemotherapy (FOLFIRI) can shrink tumors or slow cancer growth in people with metastatic colorectal cancer who have already tried one prior treatment. The study will enroll 25 participants a…

This study will test the drug Tabellvi (adalimumab) in 50 Chinese adults with moderate to severe Crohn's disease. The goal is to see how safe and effective it is in real-world settings, focusing on side effects and whether patients achieve remission after 26 weeks. Participants m…

This phase 2 trial tests whether combining sintilimab (an immunotherapy) with gossypol acetate (a compound from cottonseed) can shrink tumors in people with advanced colorectal cancer that has not responded to at least two prior treatments. The study will enroll 32 adults aged 18…

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 compares early treatment with mirikizumab (a biologic drug) to standard therapy with azathioprine plus steroids in 320 adults newly diagnosed with moderate-to-severe Crohn's disease. Participants are randomly assigned to one of two groups for 52 weeks. The goal is to s…

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 early-stage trial tests a drug called ACM-CpG, which is injected directly into the abdomen to stimulate the immune system against cancer. It includes 24 adults with colorectal or appendix cancer that has spread to the lining of the abdomen or caused fluid buildup. The main g…

This study tests an experimental oral drug called VMD-102 in people with advanced solid tumors, including liver, lung, kidney, skin (uveal melanoma), and colorectal cancers that have not responded to standard treatments. The drug works by blocking a specific protein (PKC epsilon)…

This study tests a new drug called TQB2930, which targets the HER2 protein on cancer cells, combined with standard chemotherapy and possibly another drug (bevacizumab). The goal is to find the safest and most effective dose and see if it shrinks tumors in people with advanced col…

This early-phase trial tests a new drug called nelmastobart, combined with two existing cancer drugs (TAS-102 and bevacizumab), in 45 Chinese patients with advanced colorectal cancer that has not responded to standard treatments. The main goal is to check safety and how the body …

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 study tests an experimental tablet called Hemay005 in 360 Chinese adults with moderate to severe ulcerative colitis, a chronic gut condition. Participants will receive either the drug or a placebo to see if it can bring about remission and improve symptoms over 12 weeks, wit…

This phase II trial tests a new approach for high-risk locally advanced rectal cancer. Participants first receive short-course radiotherapy, followed by a combination of chemotherapy (NALIRIFOX) and immunotherapy (Pucotenlimab) for about 6 months. The goal is to see if this regim…

This trial tests whether a patient's own immune cells, called tumor-infiltrating lymphocytes (TILs), can be grown in a lab and then given back to fight advanced gastrointestinal stromal tumors (GIST). The study includes people whose GIST has spread, come back, or cannot be remove…

This early-stage trial tests a new drug called EMB-01, a bispecific antibody that targets two cancer-related proteins, combined with standard chemotherapy. About 120 adults with advanced colorectal cancer that cannot be surgically removed will receive the combination. The main go…

This early-phase trial tests an experimental drug called CLSP-5282 in up to 140 adults with advanced solid tumors (like lung, pancreatic, or colorectal cancer) that have a specific genetic change called KRas G12V. The drug is given by IV infusion. The main goals are to check safe…

This study tests whether adding an experimental immunotherapy drug (QL1706) to standard chemotherapy and radiation can shrink liver tumors from colon cancer enough to allow surgery. About 30 adults with colon cancer that has spread only to the liver will receive the combination b…

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 trial tests whether adding a drug called axatilimab to standard CAR-T cell therapy can improve outcomes for people with high-risk large B-cell lymphomas. Axatilimab works by conditioning macrophages, a type of immune cell, to potentially help the CAR-T cells fight cancer mor…

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 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…

This study tests a new treatment called DB-3Q for people with Crohn's disease that hasn't improved with standard therapies. DB-3Q is made from stem cells and may help reduce inflammation in the gut. The trial will enroll 36 adults and focus on safety and how well the treatment wo…

This trial tests a drug called HRX215 in 80 adults with colorectal cancer that has spread to the liver. Before surgery to remove liver tumors, patients often get a procedure (PVE) that blocks blood flow to the tumor area to encourage the healthy part of the liver to grow. HRX215 …

This early-phase trial tests a combination of three drugs—TAS-102, bevacizumab, and serplulimab—in 20 people with metastatic colorectal cancer who have already had surgery to remove tumors. The goal is to see if the combination is safe and can delay cancer progression. Participan…

This early-phase trial tests a new drug called YKYY031 in 76 people with advanced solid tumors (like colorectal or pancreatic cancer) that have stopped responding to standard treatments. The main goals are to check safety, find the right dose, and get a first look at whether the …

This study tests a new drug (GV20-0251) combined with an immunotherapy (anti-PD-1) in people with advanced solid tumors that have not responded to or cannot tolerate standard treatments. About 227 adults with various cancers, including lung, breast, and colorectal, will participa…

This early-phase study tests a drug called zanidatamab in 10 adults with advanced HER2-positive solid tumors (like endometrial, bladder, or pancreatic cancer) that have worsened after at least one prior treatment. Participants receive the drug by IV every two weeks. The main goal…

This study tests a drug called Trastuzumab Rezetecan in 15 adults with advanced solid tumors that have the HER2 protein. The goal is to see if the drug can shrink tumors. Participants get the drug by IV every 3 weeks. This is for people whose cancer has worsened after other treat…

This phase 2 trial tests a combination of two drugs—becotatug vedotin (a targeted therapy) and pucotenlimab (an immunotherapy)—as a first treatment for advanced head and neck squamous cell carcinoma. It is for patients whose cancer has returned or spread and who cannot tolerate p…

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 a new chemotherapy regimen called FOLFOX8 against the standard mFOLFOX6, both combined with targeted drugs (bevacizumab or cetuximab), as a first treatment for people with metastatic colorectal cancer that cannot be surgically removed. About 229 participants will…

This early-stage study tests a new tablet, LT-010391, in people with advanced solid tumors (lung, colon, or pancreatic cancer) that have a specific genetic change called KRAS G12D. The main goals are to check safety and find the right dose. About 198 participants who have tried o…

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 2 trial is testing whether adding an immunotherapy drug (adebrelimab) to a chemotherapy combo (NALIRIFOX) and radiation can improve outcomes for people with a certain type of locally advanced rectal cancer (pMMR/MSS). About 84 participants will be randomly assigned to …

This study tests a new drug called HDM2017 combined with standard treatment (fruquintinib) in 120 people with advanced colorectal cancer that has spread. The goal is to find the safest dose and see if the combination can shrink tumors. Participants must have tried other treatment…

This phase 2 trial is testing a combination of two targeted drugs (fruquintinib and serplulimab) plus chemotherapy as a first treatment for 80 people with advanced colorectal cancer that has RAS or BRAF mutations. The goal is to see if this mix can delay cancer growth and improve…

This long-term extension study offers continued access to several cancer drugs—including cabozantinib, atezolizumab, and nivolumab—for up to 5,000 patients who benefited from them in earlier Exelixis-sponsored trials. The study focuses on monitoring safety and ongoing clinical be…

This early-stage study tests a new drug called HH160 in about 56 adults with advanced solid tumors (cancers that have spread). The main goals are to check safety, find the best dose, and see if the drug shrinks tumors. Participants will receive HH160 alone or with other cancer tr…

This early-phase trial is testing a new mRNA-based drug called YMN-A02 in 10 people with advanced colorectal cancer that has spread to the liver and has not responded to standard treatments. The drug is designed to help the immune system attack the cancer by producing a CTLA-4 an…

This study will test a new robotic device called the Triton 1.5 System for performing colonoscopies, which are exams to look for colon cancer. About 40 adults who need a routine colonoscopy will take part. The main goal is to see if the robot is safe and can successfully complete…

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 a new drug combination for people with metastatic solid tumors that lack a gene called MTAP. The drugs, BMS-986504 and pemetrexed, aim to stop cancer cells from growing. The trial will check safety and how well the combo works in 72 participants.

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 3 study tests whether a new drug called Enlituo, combined with chemotherapy (FOLFOX), works as well as the standard treatment Erbitux plus FOLFOX for people with advanced colorectal cancer that has specific genetic traits (RAS/BRAF wild-type and MSS/pMMR). About 608 ad…

This early-stage study tests a new treatment called DCTY1102 for people with advanced cancers (like pancreatic, colorectal, or lung cancer) that have a specific genetic change (KRAS/NRAS G12D mutation) and a certain immune type (HLA-A*11:01). The treatment uses the patient's own …

This phase 2 trial tests a short course of radiation followed by a mix of chemotherapy, targeted therapy, and immunotherapy in 60 people with locally advanced rectal cancer. The goal is to see if this approach can make the tumor disappear completely before surgery, possibly allow…

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 study tests whether a new form of chemotherapy (liposomal irinotecan) combined with other drugs works better than standard irinotecan for people with metastatic colorectal cancer that has progressed after first-line treatment. About 408 adults aged 18 to 75 will be randomly …

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 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 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…

This early-stage study tests a new drug called SNA028 in 20 people with advanced colorectal cancer that has a specific marker (GPA33). The drug uses a two-step process to deliver radiation directly to cancer cells. The main goals are to check if it is safe and how the body handle…

This phase 2 trial tests whether two immunotherapy drugs, botensilimab and balstilimab, can clear tiny amounts of cancer DNA from the blood of people with stage II or III colorectal cancer who have completed standard treatment. The study enrolls 20 adults whose blood still shows …

This study tests a personalized radiation approach for locally advanced rectal cancer. By adjusting the radiation dose halfway through treatment based on a special MRI scan, doctors hope to increase the number of patients whose tumors completely disappear before surgery. The tria…

This study tests whether taking histidine, an amino acid supplement, can safely boost the immune system's ability to fight colorectal cancer. Twenty participants will take 2 grams of histidine daily for 9 weeks alongside their standard cancer treatment. Researchers will measure c…

This study tests the drug sapropterin (Kuvan) in a single child with multisystem smooth muscle dysfunction syndrome (MSMDS), a rare genetic disorder with no approved treatment. The drug, already approved for another condition, aims to improve growth, blood pressure, and prevent b…

This early-stage trial tests a topical ointment called ACU-D1 for HPV-related vulvar and perianal lesions in people with HIV. Nine participants will apply the cream twice daily for 4 weeks. The main goal is to find the safest dose and see if the treatment can boost immune markers…

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…

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 looks at the safety of a drug called adalimumab in 30 Chinese children aged 6 to 17 with moderate-to-severe Crohn's disease. Researchers will track side effects over 12, 26, and 52 weeks of treatment. The goal is to understand how safe the drug is in real-world use for…

This early-stage study tests a new drug called NPX372 in people with advanced solid tumors that have not responded to standard treatments. The drug is designed to help the body's immune cells recognize and attack cancer cells. The main goals are to check the drug's safety and fin…

This study tests whether giving chemotherapy directly into the liver along with standard chemo pills and IV drugs can help prevent colorectal cancer from coming back after surgery to remove tumors from the liver. About 28 adults who have had successful surgery and show no remaini…

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 early-phase study tests a new drug combination (L19IL2 plus ruxolitinib) in people with advanced kidney, pancreatic, or colorectal cancers that have stopped responding to standard treatments. The main goals are to find a safe dose and check for side effects. About 96 partici…

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 study tests a drug called oxfendazole for people with mild brain cysticercosis, a parasitic infection that can cause seizures. Researchers will compare a single dose and three doses of oxfendazole against the standard combination therapy. The goal is to see if oxfendazole cl…

This study tests whether a medication called chiglitazar sodium, combined with healthy lifestyle changes, can help people with prediabetes return to normal blood sugar levels. About 472 adults with prediabetes will take either the drug or a placebo for 52 weeks, along with lifest…

This Phase 2 trial tests whether E-CEL UVEC Cells, a type of genetically engineered cell, can treat perianal fistula—a painful tunnel that forms near the anus. The treatment involves injecting the cells directly into the fistula tract in a minimally invasive procedure. Researcher…

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 if adding a common heart medication (propranolol) to standard chemotherapy and immunotherapy before surgery can improve outcomes for people with a certain type of colon cancer. About 45 adults with stage II or III colon cancer that is mismatch repair proficient (…

This early-phase study tests an experimental oral drug called KQB368 in 48 adults with advanced solid tumors (like lung, colorectal, or uterine cancer) that have a specific KRAS mutation (G12C or G12S). The main goals are to find a safe dose and see if the drug can shrink tumors.…

This early-phase study tests a new treatment called ICG318 CAR-T for people with inflammatory bowel disease (IBD) that hasn't improved with standard therapies. The treatment uses a patient's own immune cells, modified in a lab to target and calm the overactive immune response cau…

This phase 2 trial tests a mix of immunotherapy, a cancer-killing virus, short-course radiation, and chemotherapy in 20 people with locally advanced low rectal cancer. The goal is to see if this combination can make the tumor disappear completely for at least a year, potentially …

This phase 2 trial tests whether a daily dexamethasone enema can prevent or reduce acute rectal injury in 40 rectal cancer patients undergoing pelvic radiotherapy. One group starts the enema early (day 10 of radiation), while the other starts only after injury occurs. The goal is…

This early-stage trial tests the safety of an experimental drug called LYNC-101 in 50 healthy adults. The drug is given by IV infusion, either as a single dose or multiple doses every 3 weeks. The goal is to see if it is safe and how the body processes it, before testing it in pe…

This study tests an experimental pill, IPG11406, in 144 adults with moderate to severe ulcerative colitis (UC), a chronic gut condition causing diarrhea and pain. The drug targets immune cells to reduce colon inflammation. Participants receive one of three doses or a placebo for …

This study tests a device called ONCObind that filters cancer cells from the blood of people with advanced pancreatic or colorectal cancer that has not responded to standard treatments. About 120 adults will receive the filtering procedure multiple times to see if it is safe and …

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 tests a new robotic system designed to help surgeons perform chest and belly surgeries in children. It will include 64 kids under 18 who need common surgeries like kidney repair or lung removal. The goal is to see if the robot is safe and works as well as standard surg…

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 phase 2 trial tests a new approach for high-risk locally advanced rectal cancer. It combines a shorter course of radiation with chemotherapy (capecitabine and oxaliplatin) and an immunotherapy drug (serplulimab). The study will compare this combo to standard chemoradiation i…

This study tests a new treatment plan for adults with locally advanced rectal cancer that hasn't spread. Participants get a week of radiation, then 8 cycles of three drugs (chemotherapy and immunotherapy) before surgery. The goal is to shrink the tumor enough to cure the cancer o…

This early study tests a new drug, SHR-3821, combined with fruquintinib in 12 people with advanced colorectal cancer that has not responded to at least two standard treatments. The goal is to see if the combination is safe and can shrink tumors or slow the disease. This is not a …

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 different drug combinations given before surgery for locally advanced colorectal cancer. The 134 participants are grouped by their tumor's genetic markers, and each group receives a tailored treatment. The main goal is to see how often the cancer completely disap…

This early-phase trial is testing a new chemotherapy drug called RP-001 in 66 adults with advanced solid tumors, including colorectal and pancreatic cancers. The main goals are to check safety, find the best dose, and see if the drug can shrink tumors. It is an open-label study, …

This phase 2 study tests whether adding an immunotherapy drug (iparomlimab and tuvonralimab) and targeted radiation to a standard targeted therapy (fruquintinib) can help people with metastatic colorectal cancer that has spread to a few spots. The trial will enroll 60 adults who …

This study will follow 95 adults with moderate-to-severe Crohn's disease or ulcerative colitis in Upper Egypt who are taking one of five biologic drugs: adalimumab, infliximab, ustekinumab, golimumab, or vedolizumab. After one year, researchers will measure how many patients avoi…

This early-phase trial tests whether transplanting gut bacteria from young donors (via capsules or a tube) can help immunotherapy work better in people with a type of advanced colorectal cancer that usually doesn't respond to immunotherapy. Ten patients who have already tried sta…

This study compares two treatments for locally advanced rectal cancer: a shorter course of radiation plus chemotherapy (CAPOX) and immunotherapy (tislelizumab) versus a longer course of chemoradiation plus the same immunotherapy. The goal is to see which approach leads to a highe…

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 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…

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 trial is testing whether a breath analysis device can detect unique chemical patterns—called volatile organic compounds—that may signal the presence of cancer. Researchers will collect breath samples from 1,000 people with various cancers and 1,000 healthy volunteers, then u…

This trial tests whether a finger-prick HbA1c test can detect type 2 diabetes better than the standard random blood glucose test in at-risk adults living in rural Dali, China. Researchers will compare detection rates and costs among 720 permanent rural residents with no known dia…

This trial explores whether betacyanin, a pigment found in beetroot, can help doctors detect anastomotic leakage — a serious complication where intestinal contents leak after rectal cancer surgery — earlier than current methods. About 120 people undergoing laparoscopic rectal can…

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 is testing a simple breath test to help detect gastrointestinal cancers—including cancers of the esophagus, stomach, pancreas, liver, and bowel—at an earlier stage. The test measures tiny molecules in exhaled breath that may be linked to these cancers. Participants pro…

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 whether a partially digested whey formula can help doctors tell the difference between a non-allergic milk intolerance and a true cow's milk protein allergy in babies. Infants aged 1 to 6 months with digestive symptoms will receive the special formula. The goal i…

This early-stage study will test a new radioactive tracer called [89Zr]DFO-YS5 in 40 people with nerve sheath tumors, bladder cancer, or other advanced solid tumors. The tracer is designed to bind to cancer cells and show up on PET scans, potentially making tumors easier to see. …

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 tests a new, non-invasive method to detect colorectal cancer and precancerous growths by analyzing odors from breath and intestinal gas. About 453 participants—including people with colorectal cancer, precancerous lesions, and healthy volunteers—will provide samples an…

This study compares a new 3D colonoscopy with the standard 2D version to see which more accurately identifies polyps that could become colorectal cancer. About 600 adults undergoing colonoscopy will have their polyps examined with both methods, and the results will be checked aga…

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 new device that flattens colon polyps before they are examined under a microscope. The goal is to help doctors better identify sessile serrated lesions, a type of polyp that can lead to colorectal cancer. About 1,156 adults having polyps removed during a colono…

This study tests a special ultrasound technique called contrast-enhanced subharmonic ultrasound to see if it can predict whether chemotherapy is working for colorectal cancer that has spread to the liver. Currently, doctors wait about 2 months for CT or MRI scans to see if tumors…

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 3D computer model, made from a standard CT scan, helps surgeons better plan operations for locally advanced colon cancer. About 168 adults with stage cT3 or cT4 colon cancer will be randomly assigned to have surgery planned with or without the 3D model.…

This pilot trial tests a community-based program designed to help Chinese immigrants aged 45-75 get up-to-date on colorectal and breast cancer screening. The program includes a group education session led by a community health worker and personalized help navigating the healthcar…

This trial tests whether two natural supplements—quercetin (from foods like apples and onions) and coenzyme Q10 (a substance your body makes)—can reduce inflammation and improve metabolic health in older adults. Over 12 weeks, participants aged 50 to 75 who are sedentary will tak…

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 early-stage trial tests whether a daily supplement called SAMe can help prevent colorectal polyps (precursors to colon cancer) in 18 adults who have already had surgery for early-stage colon cancer. Participants will take SAMe for up to a year while researchers monitor for s…

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 study tests whether a one-day health awareness campaign in community pharmacies can encourage more Malaysian adults aged 50 to 75 to get screened for colorectal cancer. Participants receive educational materials and one-on-one guidance about the disease and a simple home scr…

This pilot study tests whether a single, personalized conversation with a healthcare team member or a brief message through a patient portal can encourage adults with prediabetes to take action—like joining a diabetes prevention program or starting medication. Researchers will co…

This study tests whether giving people a personalized report about their cancer risk and screening options helps them complete recommended cancer tests. Adults aged 45 to 74 who are at high risk for lung, breast, colorectal, upper gastrointestinal, or liver cancer are invited to …

This study tests whether electroacupuncture (using mild electric pulses on needles) plus tiny thumbtack needles can prevent nerve damage caused by chemotherapy in people with early-stage cancer. About 278 patients with breast, stomach, bowel, lung, or ovarian cancer will receive …

This study tests whether electroacupuncture (acupuncture with mild electrical pulses) combined with tiny thumbtack needles can prevent peripheral neuropathy—numbness, tingling, or pain—caused by chemotherapy in people with advanced cancer. The trial enrolls adults with stage IV b…

This study tests whether an AI-powered chatbot and smart reminders can encourage more high-risk adults aged 45 to 74 to get a colonoscopy, the best way to detect colorectal cancer early. About 1,680 participants will be split into two groups: one gets usual care, the other also g…

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 study tests a culturally tailored educational program to help Syrian migrants in Turkey get screened for breast, cervical, and colorectal cancers. About 30 participants will take part in the program, which uses a questionnaire to measure their motivation and knowledge before…

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 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 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…

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 looks at whether combining core-based movement exercises with nutritional counseling can reduce stress, improve cholesterol levels, and ease constipation in overweight women with functional constipation. Sixty women will be split into two groups: one gets both exercise…

This study tests whether an AI-powered program can help older adults with serious illnesses like cancer or heart disease manage emotional distress. Participants receive short videos and daily check-ins from a chatbot that teaches practical coping skills, all from their own phone.…

This trial tests whether hippotherapy—therapy involving horseback riding—can improve physical function, bladder and bowel symptoms, and family quality of life in children with cerebral palsy. Thirty children aged 7-15 will receive weekly 30-minute hippotherapy sessions for 8 week…

This trial tests whether mind-body practices like breathwork, meditation, and gentle yoga can improve quality of life, stress, and sleep in people who have recently finished cancer treatment. Participants will practice these techniques weekly for six weeks while wearing an activi…

This study compares two treatments for fecal incontinence in children aged 6 to 10 who had surgery for anorectal malformation. One group gets electrical stimulation alone, the other gets electrical stimulation plus biofeedback. The goal is to see which approach better strengthens…

This trial tests whether adding hippotherapy—therapeutic horseback riding—to a standard special education program can improve physical function, bladder and bowel symptoms, and social communication in children with autism spectrum disorder. Thirty children will receive either the…

This trial tests whether remimazolam, an anesthetic drug, can improve sleep quality in older adults after laparoscopic colorectal cancer surgery, compared with the standard anesthetic propofol. Participants aged 65-80 will be randomly assigned to receive one of the two anesthetic…

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 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 compares two standard gas pressures used during laparoscopic appendectomy — 10 mmHg versus 15 mmHg — to see which leads to less pain and faster recovery. About 150 adults with uncomplicated appendicitis will be randomly assigned to one pressure level. Researchers will …

This study tests whether a probiotic called Akk09 can improve bowel movements and ease constipation symptoms in adults. About 70 participants will take either the probiotic or a placebo daily for 4 weeks. Researchers will track changes in stool consistency and overall gut health.

This phase II trial investigates whether a specially formulated yogurt rich in butyrate—a short-chain fatty acid—can relieve constipation in people with gastrointestinal cancer. Constipation is a common and distressing side effect of cancer and its treatments, and current medicat…

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 tests whether adding physical therapy—including spinal joint mobilization, electrical muscle stimulation, and gentle abdominal techniques—to standard medical care can reduce constipation severity and improve quality of life in adults with functional constipation. Sixty…

This study tests whether Shouhui Tongbian Capsules, a traditional Chinese herbal medicine, can relieve constipation after surgery for benign anal or rectal conditions like hemorrhoids. 120 adults will be randomly assigned to take either the herbal capsules or a standard laxative …

This phase 2 trial tests whether a traditional Chinese herbal formula called Huanghou Zhixie Diwan can reduce abdominal pain and diarrhea in people with irritable bowel syndrome (IBS-D). About 120 adults aged 18 to 65 who meet specific diagnostic criteria will receive either the …

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 a dietary supplement can improve constipation and related symptoms like gas and bloating. About 550 adults with constipation will take either the active supplement or a placebo for 4 weeks. Researchers will measure changes in constipation severity and dig…

This study investigates whether a traditional Chinese mind-body practice called Baduanjin Qigong, combined with standard exercises, can improve muscle strength and quality of life in adults aged 35–55 with colorectal cancer who are undergoing chemotherapy. Participants will take …

This study tests whether adding Kinesio Taping to a standard bowel program can improve bowel function in adults with spinal cord injury. Thirty participants will be randomly assigned to receive either the bowel program alone or the bowel program plus Kinesio Taping applied to the…

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 investigates whether taking acacia fiber daily can improve bowel movement frequency and stool consistency in healthy adults who sometimes get constipated. Participants take either a low or high dose of acacia fiber or a placebo for about eight weeks. Researchers also l…

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 pilot study compares recorded gut-directed hypnosis to an educational recording for hospitalized patients with chronic gut problems, such as irritable bowel syndrome or inflammatory bowel disease. Participants listen to the recordings over the phone while in the hospital for…

This study tests two online pain education programs for adults with Crohn's disease or ulcerative colitis who have chronic pain. Participants will complete a 2-hour online session and report their pain and quality of life weekly for 8 weeks. The goal is to see if these programs a…

This study tests whether a non-invasive device that gently stimulates a nerve in the ear can improve symptoms and quality of life for adults with constipation-predominant irritable bowel syndrome (IBS-C). Participants use an ear clip for 30 minutes daily over 60 days. The trial c…

This study tests whether taking high doses of vitamin E and CoQ10 daily for 90 days can reduce chronic side effects from pelvic radiation in people treated for prostate, uterine, cervical, or anal cancer. Researchers will monitor safety, side effects, and quality of life in 200 a…

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 study compares two laxatives, Senna and polyethylene glycol (PEG), to see which better reduces accidental bowel leakage in children with long-term constipation. About 80 children aged 4 to 18 will take one of the two medicines daily for 3 months, and neither the families nor…

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 looks at whether a prehabilitation program—including physical therapy, dietary advice, and emotional support—given before major cancer surgery can reduce deaths and serious complications within 30 days after the operation. About 180 adults with cancers of the pancreas,…

This study tests whether eating at least 6 servings of fermented foods daily for 10 weeks can improve bowel function and gut health in adults with chronic spinal cord injury. Participants will be randomly assigned to either a high-fermented-food diet or a control diet. The resear…

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 a 6-week health behavior program for 40 colorectal cancer patients who are at least 3 months past surgery. The program uses counseling and support to encourage healthy habits like diet and exercise. Researchers want to see if it's practical and helps improve pati…

This study tests whether an internet-based cognitive behavioral therapy (iCBT) program is feasible and helpful for adults with functional gastrointestinal disorders (FGID), like irritable bowel syndrome (IBS). Thirty participants will complete a 10-week online program with therap…

This trial tests whether people with mild diverticulitis can be safely treated at home with just pain medicines (ibuprofen and acetaminophen) instead of antibiotics. 556 participants will be randomly assigned to receive either pain medicines alone or pain medicines plus an antibi…

This study tests a 4-week AI chatbot program called AI-EGG that teaches emotional skills to young and middle-aged colorectal cancer survivors. The goal is to see if it helps them build resilience and improve quality of life. Fifty-four participants will be randomly assigned to ei…

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 looks at whether watching food-related TV shows after abdominal surgery can help the bowels start working again sooner. About 150 adults will be randomly assigned to either watch food programming during meals or receive standard care. Researchers will track bowel funct…

This study is testing a special probiotic supplement in 30 adults aged 50-65 who have ongoing bowel issues like constipation, irritable bowel syndrome, or stomach pain. The goal is to see if the probiotic can improve gut immunity, balance gut bacteria, and ease symptoms like bloa…

This study tests whether combining two ultrasound-guided nerve blocks (transversus abdominis plane block and rectus sheath block) can better control pain and speed recovery after robotic colon cancer surgery. About 90 adults having their first robotic colectomy will receive the b…

This study tests whether Changji'an capsules, a traditional Chinese medicine, can reduce diarrhea and stomach pain in people with irritable bowel syndrome (IBS) where diarrhea is the main symptom. About 636 adults aged 18 to 65 will take the capsule or a placebo for 8 weeks. The …

This study tests whether modafinil, a drug used for sleep disorders, can reduce severe fatigue in adults with inactive inflammatory bowel disease (IBD). Sixty participants will take either modafinil or a placebo for 8 weeks, starting at 100 mg daily with possible dose increases. …

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 an AI-enhanced virtual reality cognitive behavioral therapy (VR/AI CBT) program can reduce anxiety and improve quality of life in people with inflammatory bowel disease (IBD). Seventy-six adults with IBD and moderate-to-severe anxiety will be randomly ass…

This study tests whether a mobile app can help doctors and dietitians create a personalized low-FODMAP diet for people with Irritable Bowel Syndrome (IBS). About 200 adults with IBS will either use the app or receive a diet booklet. The goal is to reduce stomach pain, bloating, a…

This study tests whether a daily fiber supplement (Materna® Opti-fiber) plus nutrition counseling can help pregnant women with constipation. About 31 women between 13 and 27 weeks of pregnancy will take the supplement for 4 weeks. Researchers will track changes in stool frequency…

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 tests whether ramosetron, a drug that affects gut serotonin, can improve symptoms in people with diarrhea-predominant IBS. Seventy-six adults aged 18–65 will receive either ramosetron or a placebo daily for four weeks, along with a low-FODMAP diet and lifestyle advice.…

This study tests whether a series of gentle, passive neck movements (called neurodynamic mobilization of the vagus nerve) can reduce symptoms of irritable bowel syndrome (IBS) in women. Thirty-two women aged 20-45 with mild to moderate IBS will receive the treatment for 6 weeks. …

This study tests whether electroacupuncture can help women with constipation after childbirth. About 60 women within 6 weeks of delivery will receive the treatment, and researchers will measure changes in stool consistency and quality of life. The goal is to find a safe, drug-fre…

This study tests a traditional Chinese medicine capsule, Shouhui Tongbian, to see if it can relieve constipation caused by opioid painkillers in cancer patients. About 270 adults with stable cancer and opioid-induced constipation will take either the capsule or a standard laxativ…

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 a daily mix of a probiotic (Bifidobacterium longum W11) and a prebiotic (Colopectin) can help children aged 2 to 6 with functional constipation stop taking macrogol laxatives without symptoms returning. One hundred children will receive either the supplem…

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 looks at whether a relaxation method called autogenic training can reduce symptoms of irritable bowel syndrome (IBS) in adult women. About 44 women with constipation-predominant IBS will practice relaxation exercises and report changes in pain, bowel movements, fatigue…

This study tests whether a 14-day course of the antibiotic rifaximin can reduce bothersome bloating in adults with irritable bowel syndrome, functional constipation, or similar gut disorders. About 78 participants will receive either rifaximin or a placebo, and researchers will m…

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 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 study will follow 110 adults in Poland with metastatic colorectal cancer (cancer that has spread) who are taking fruquintinib after at least two prior treatments. Researchers will track how long patients live without their cancer getting worse and their overall survival, usi…

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 study asks whether an artificial intelligence system can make the same care recommendations as a team of cancer experts for people with stomach, colon, or rectal cancer. About 69 participants will have their medical information reviewed independently by both the AI and a mul…

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 will measure how much of the drug TREMFYA (guselkumab) passes into breast milk of 10 nursing women who are already taking it for conditions like psoriasis, psoriatic arthritis, ulcerative colitis, or Crohn's disease. Researchers will collect milk samples to estimate th…

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 study aims to develop a diagnostic model that predicts the risk of colorectal cancer and advanced polyps in adults aged 18 to 80 who are already scheduled for a routine colonoscopy in China. Participants fill out a questionnaire about their lifestyle, medical history, and sy…

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 3,000 people who had surgery for colorectal cancer to see how often polyps come back in the colon afterward. Researchers will check if the type and stage of the original cancer are linked to polyp recurrence. The goal is to improve follow-up care by identifyin…

This study investigates whether a special 3D MRI scan, called magnetic resonance elastography (3D-MRE), can detect microscopic tumor remnants at the surgical margin after liver cancer removal. Current methods only examine the removed tissue, not the remaining liver. Researchers w…

This trial looks at whether keeping or removing a drainage tube (PTCD catheter) during pancreatic surgery leads to fewer complications. About 100 patients with jaundice from tumors will be randomly assigned to one of two groups. The main goal is to see which approach reduces seri…

This study investigates whether two blood-based biomarkers—circulating tumor DNA (ctDNA) and tumor-educated platelets (TEP)—can predict how well colon cancer responds to pre-surgery therapy. About 80 adults with stage III colon cancer will provide extra blood samples before, duri…

This study looks at how certain cancers develop in people with HIV and what factors might increase their risk. Researchers will analyze medical data from 1,000 HIV-positive adults to track which types of cancer occur most often and why. The goal is to improve early detection and …

This study looks at how a prebiotic supplement called FiberSmart changes the bacteria in the small intestine of healthy adults. Thirty participants will take either the supplement or a placebo daily for 21 days. A special capsule is used to sample the small intestine directly, gi…

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 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 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 looks at medical records from thousands of adults with Crohn's disease or ulcerative colitis treated in Dutch hospitals between 2018 and 2026. Researchers will analyze which treatments patients receive, how often they switch therapies, and how the disease affects other…

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…

This study investigates whether acupuncture points become tender or more sensitive in people with inflammatory bowel disease (IBD), such as Crohn's disease or ulcerative colitis. Researchers will compare skin temperature, blood flow, and pain sensitivity at specific body points b…

This study looks at whether a blood test that finds tiny bits of tumor DNA (ctDNA) can help doctors monitor rectal cancer more closely than standard scans. Researchers will collect blood and tissue samples from 60 adults with non-spreading rectal cancer before and after standard …

This study looks at people who have had certain types of colon polyps (serrated lesions) removed. It aims to find out why some of them later develop new advanced growths in the colon. By tracking 750 adults over time, researchers hope to identify risk factors that could help doct…

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 trial in 8 healthy men aged 30–65 examines how the body absorbs, breaks down, and eliminates ontunisertib, an experimental oral drug for fibrostenotic Crohn's disease. Participants receive a single dose of the drug with a radioactive label, allowing researchers to track its …

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 study looks at whether it's safe to skip mechanical bowel preparation (the drink that cleans out your colon) before colon surgery. Currently, the best practice combines that drink with antibiotics to prevent infections. The trial will compare two groups: one getting the drin…

This study tests a new surgical method for removing the splenic flexure during laparoscopic surgery for left-sided colorectal cancer. It compares the new technique (inferior mesenteric artery first with complete medial approach) to traditional methods. The goal is to see if it is…

This study will send different types of WhatsApp messages to 235,000 people in Chile who are due for cancer or chronic disease screenings. Researchers want to see if the way a message is worded (basic, risk-focused, or peace-of-mind) and whether it mentions one test or both tests…

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 …

This study will follow 57 people having minimally invasive colon surgery where the removed tissue is taken out through the rectum instead of a new abdominal cut. Researchers want to see how often this technique injures the internal anal sphincter muscle and how it affects bowel c…

This study tests whether watching a short video tailored to their specific type of inflammatory bowel disease (IBD) helps patients better prepare their bowel for a colonoscopy. About 600 adults with ulcerative colitis or Crohn's disease will be randomly assigned to receive either…

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 will measure how much of the drug mirikizumab passes into breast milk in 14 breastfeeding women who take it for inflammatory bowel disease. Participants will provide milk samples over several weeks. The goal is to understand potential exposure to nursing infants, helpi…

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 will look at whether tiny plastic particles found in food and water are linked to Crohn's disease. Researchers will compare 90 people—some with Crohn's and some without—to see if those with Crohn's have more plastic particles in their blood and gut, and how that affect…

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 will test a new way to create CT images for people with colon cancer. The method uses deep learning to make the images clearer. Researchers will compare the quality of these new images to standard ones. The goal is to see if this technique helps doctors see tumors bett…

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 looks at whether giving unnecessary antibiotics to malnourished infants with diarrhea harms their immune system's ability to fight future infections. Researchers will compare two groups of 150 Bangladeshi infants: one group receives only supportive care, while the othe…

This study will ask 75 people with diabetes and their healthcare providers about their experience using the Instara-1 continuous glucose monitor. Participants will wear the device and answer questionnaires about comfort, ease of use, and how it helps manage their diabetes. The go…

This study is a registry that collects medical information and biological samples from up to 100,000 people with gastrointestinal cancers, such as pancreatic or colorectal cancer. No new treatments or drugs are given. The goal is to gather real-world data to help researchers answ…

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 compare treatment recommendations made by a large language model (AI) with those made by a team of cancer experts for 180 people with rectal cancer. The AI will analyze de-identified patient information and suggest a treatment plan. The goal is to see how often th…

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 tests a web-based program called Kindred that helps African American families understand their genetic cancer risk and talk about testing. About 150 people will use the tool to see if it improves knowledge and testing rates. The goal is to make genetic information more…

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 observational study looks at how histidine, a common amino acid, and its transporter SLC15A3 influence colorectal cancer's sensitivity to immunotherapy. Researchers will analyze tumor tissue and blood samples from 150 patients to understand why some cancers resist treatment.…

This study will test whether an artificial intelligence (AI) system can help doctors identify inflammatory bowel disease (IBD) earlier and more accurately. Researchers will analyze medical records from 4,500 patients to see how well the AI's suggestions match actual diagnoses. Th…

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 tests whether berberine, a compound found in some Chinese herbs, can change the types of bacteria living in the gut. Researchers will give berberine to healthy volunteers and to people who have had colon polyps removed. They will measure changes in a specific bacterium…

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 tests a program to help people with inherited cancer gene mutations (like BRCA or Lynch syndrome) stick to recommended cancer screening schedules. Researchers will interview 80 female participants and provide standard care to see if this approach improves adherence and…

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 looks at whether a special decision aid helps patients with a cancerous colon polyp choose between more surgery or careful monitoring. About 110 adults in Denmark will use the aid during their doctor visit. The goal is to see if it changes treatment choices and improve…

This study looks at 100 adults with advanced rectal cancer who received total neoadjuvant therapy (a combination of chemotherapy and radiation before surgery). Researchers want to see whether the response in the lymph nodes or the primary tumor better predicts how long patients s…

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 tests a new imaging system that uses a fluorescent dye and artificial intelligence during colonoscopy to measure how leaky the gut lining is in people with inflammatory bowel disease (IBD). It includes 70 adults (60 with IBD and 10 without) at three Canadian hospitals.…

This study aims to create an early warning system for necrotizing enterocolitis (NEC), a severe gut emergency in preterm infants. Researchers will analyze genetic and immune markers from 1,050 babies born before 32 weeks to identify those at highest risk. The goal is to improve e…

This study looks at whether non-diabetic patients who have pancreas surgery can safely avoid routine insulin afterward. About 290 adults will be randomly assigned to receive either standard insulin or no insulin after surgery. The goal is to see if skipping insulin keeps blood su…

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 how emotional state influences the course of functional dyspepsia and irritable bowel syndrome in 150 adults. Participants will fill out questionnaires about their quality of life, mood, and anxiety at the start and after treatment. The goal is to better under…

This study will follow 46 people treated for stage III rectal cancer to see if PET-CT scans can help doctors make better treatment decisions during routine follow-up. Participants will already be getting these scans as part of their care and will be tracked for 5 years. The goal …

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 50 adults with ulcerative colitis who are already seeing a naturopathic doctor. Over 12 weeks, researchers track symptom changes using questionnaires. The goal is to gather early information on how naturopathic care may help, without changing anyone's usual tre…

This study will watch and record information from 120 newborns with serious gut problems admitted to the NICU. Researchers will track what types of emergencies are most common, how long babies stay in the hospital, and how many need surgery. The goal is to better understand these…

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 look at 1,280 people who had colon polyps removed to find better ways to predict if polyps will come back. Researchers will combine lifestyle information, blood markers, and past medical records to build a risk prediction model. The goal is to improve follow-up sc…

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…

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 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 will observe 90 adults with anal fistulas to see if the time between first symptoms and surgery affects healing and recurrence. Participants are grouped by how long they waited: 3 months or less, 3 to 6 months, or more than 6 months. Researchers will track healing, rec…