Intestinal disorder

This phase 2 trial is testing whether a short course of radiation followed by a powerful three-drug chemotherapy regimen (FOLFOXIRI) can completely eliminate tumors in people with locally advanced rectal cancer before they undergo surgery. The study enrolls adults aged 18 to 70 w…

This study looks at whether a combination of radiation and chemotherapy can cure low rectal cancer, allowing patients to avoid surgery. About 108 people with early-stage rectal tumors near the anus will receive this treatment. The main goal is to see if the cancer stays under con…

This study tests a vaccine that helps the body's immune system recognize and attack advanced colon polyps, which can turn into cancer. About 110 people who have had these polyps removed will receive either the vaccine or a placebo. The goal is to see if the vaccine boosts immune …

This study tests a new vaccine called Shigella4V2 to see if it can protect people from shigellosis, a severe diarrheal disease. About 120 healthy adults will receive either the vaccine or a placebo and then be exposed to the bacteria in a controlled setting. The goal is to see if…

This large Phase 3 study is testing an mRNA vaccine called mRNA-1403 to prevent norovirus, a common cause of severe stomach upset and diarrhea. About 38,000 adults aged 18 and older will receive either the vaccine or a placebo. The goal is to see if the vaccine can safely prevent…

This expanded access program provides continued treatment with CA102N plus lonsurf to a single patient with advanced or metastatic colorectal cancer. The patient had already completed at least 12 cycles of the same combination in an earlier clinical study. Expanded access allows …

Researchers compare two ways to remove large, non-cancerous growths from the colon. One method, endoscopic mucosal resection, removes the growth in pieces. The other, endoscopic submucosal dissection, removes it in one piece but takes longer and carries more risk. The trial tests…

This study tests a new drug called AZD7798 in 120 people with moderate to severe Crohn's disease. The goal is to see if it can reduce symptoms and improve the appearance of the gut lining. Participants are randomly assigned to receive either the drug or a placebo, and neither the…

Researchers are testing whether adding an experimental drug called CA102N to the chemotherapy TAS-102 helps control metastatic colorectal cancer better than adding bevacizumab to TAS-102. The trial enrolls about 100 adults whose cancer has grown after standard chemotherapy. Parti…

Researchers compare two biologic drugs, ustekinumab and infliximab, in adults with moderate to severe ulcerative colitis who have not previously tried biologic therapy. The trial measures how well each drug reduces inflammation, controls symptoms, and improves quality of life, wh…

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 2 trial tests the drug pasireotide in 93 adults who experience severe low blood sugar after weight-loss surgery. Participants receive either the drug or a placebo for 12 weeks, then all can receive the drug for 36 more weeks. The goal is to see if pasireotide can stabi…

This early-stage trial is testing an experimental oral drug called RGT-61159 in about 105 people with two types of cancer that have come back or stopped responding to treatment: adenoid cystic carcinoma (a rare salivary gland cancer) and colorectal cancer. The main goals are to c…

This study tests an experimental drug called RO7790121 in about 21 adults with moderate to severe Crohn's disease who haven't responded well to other treatments. The goal is to see if the drug can reduce gut inflammation and improve symptoms like diarrhea and stomach pain. Partic…

This study tests a new drug called ARV-806 in adults with advanced solid tumors that have a specific KRAS G12D mutation. The drug aims to break down the mutated protein that helps tumors grow. The trial has two parts: first, finding a safe dose in small groups, then testing that …

This study tests three drugs—durvalumab (an immunotherapy), olaparib (a DNA repair blocker), and cediranib (a blood vessel growth blocker)—in different combinations for people with advanced solid tumors, especially ovarian cancer. The phase 1 part finds safe doses, and the phase …

This early-phase trial tests a new treatment called NG-350A, a virus designed to stimulate the immune system inside tumors, combined with standard chemoradiotherapy for people with locally advanced rectal cancer. The study aims to see if this combination can improve the chance of…

This study looks at the long-term safety and effectiveness of balinatunfib, an oral tablet, in adults with Crohn's disease or ulcerative colitis. Participants have already completed a one-year treatment in a previous study. The trial will last up to 107 weeks and includes both do…

This phase 2 trial is testing whether a shorter course of radiation therapy, given alongside standard chemotherapy, can effectively treat high-risk anal cancer. The standard treatment typically requires about 6 weeks of daily radiation, which can be a heavy burden for patients. T…

Researchers are testing whether a blood test that detects tiny amounts of tumor DNA can guide chemotherapy after surgery for early colon cancer. The trial compares two chemotherapy regimens: an intensive one called FOLFOXIRI and a standard one called CAPOX. They want to see if th…

This study is testing three long-acting antibodies, alone or in combination, in 645 people with ulcerative colitis. The goal is to see if they are safe and can improve bowel inflammation over 48 weeks. Participants are joining from a previous study and may have already seen some …

This study tests whether giving a higher, targeted radiation dose to the main tumor and nearby lymph nodes can improve outcomes for people with locally advanced rectal cancer. About 128 adults whose cancer has not spread beyond the pelvis will receive either standard radiation or…

Researchers are testing an experimental antibody called ONC-392 in people with advanced solid tumors, including non-small cell lung cancer and melanoma. The trial gives ONC-392 alone or with pembrolizumab, an approved immunotherapy, to see what doses are safe and how the body pro…

This Phase 3 trial tests whether the drug Afimkibart can help people with moderate-to-severe ulcerative colitis achieve remission. About 400 adults who have not responded well to other treatments will receive either Afimkibart or a placebo. The study measures remission at 12 and …

This phase II trial is testing whether a lower dose of chemotherapy plus radiation can work as well as the standard dose for early-stage anal cancer. The study includes 252 adults with T1-2N0M0 anal cancer. The goal is to see if the gentler approach controls the disease while imp…

This trial is testing whether giving the immunotherapy drug pembrolizumab before surgery can improve outcomes for people with high-risk stage 2 or stage 3 colorectal cancer that has a specific genetic feature called mismatch repair deficiency. About 88 participants will receive p…

This phase II trial tests whether combining two drugs, atezolizumab and bevacizumab, can shrink rare solid tumors like appendix cancer, anal cancer, and mesothelioma. About 133 participants with various rare cancers will receive the drugs intravenously. The goal is to see if the …

This phase 3 trial is testing whether adding the immunotherapy drug nivolumab to standard chemotherapy (carboplatin and paclitaxel) helps people with metastatic anal cancer live longer without their disease getting worse. About 205 adults with inoperable or recurrent anal cancer …

This study tests an experimental drug called SAR441566 in about 204 adults with moderate-to-severe ulcerative colitis, a chronic bowel disease causing inflammation and symptoms like diarrhea and bleeding. Participants will receive either the drug or a placebo for up to 52 weeks t…

This early-phase trial is testing an experimental drug called TTX-080, which blocks a protein (HLA-G) that tumors use to hide from the immune system. The study will give TTX-080 alone or combined with other cancer drugs (pembrolizumab, cetuximab, or FOLFIRI plus cetuximab) to abo…

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 study tests an experimental oral drug called GS-5290 (tilpisertib fosmecarbil) in 176 adults with moderate to severe ulcerative colitis. Participants are randomly assigned to receive either the drug or a placebo for 12 weeks. The main goal is to see if the drug can improve s…

This study tests an experimental drug called SAR441566 in 260 adults with moderate to severe Crohn's disease. Participants will receive different doses of the drug or a placebo for up to 52 weeks to see if it reduces gut inflammation and improves symptoms. The goal is to find a s…

This phase III trial tests whether adding the immunotherapy drug nivolumab after standard combined modality therapy (chemo and radiation) can improve outcomes for patients with high-risk stage IIB-IIIC anal cancer. About 344 participants will receive nivolumab or a placebo. The m…

This early-phase study is testing a new drug called JZP815 in people with advanced or spreading solid tumors that have specific changes in the MAPK pathway. The main goals are to check the drug's safety, find the right dose, and see if it can shrink tumors. About 332 adults who h…

This study tests a device called ColoSeal ICD that is placed inside the colon after surgery to divert stool away from the surgical connection. The goal is to see if it is safe and feasible in 90 adults with rectal or rectosigmoid cancer. The device stays in place for about 10 day…

This study tests whether giving immunotherapy before surgery can help people with MSI/dMMR tumors. The goal is to shrink or eliminate the tumor before it is removed, potentially improving survival. The trial includes adults with localized, resectable cancers such as colorectal, g…

Upper abdominal pain often comes from functional dyspepsia, irritable bowel syndrome, or uncomplicated gallstones. These conditions overlap and many patients do not know that tests and surgery may not help. Researchers are testing a personalized web-based education tool that expl…

This phase 2 trial tests the drug sorafenib in 38 patients with gastrointestinal stromal tumor (GIST) that has worsened despite treatment with imatinib and sunitinib. Sorafenib works by blocking enzymes that help tumors grow and by cutting off blood supply to the cancer. The stud…

This Phase 2 study tests whether adding leronlimab to standard chemotherapy and a targeted drug can shrink tumors or improve survival in people with a specific type of advanced colorectal cancer (MSS mCRC) that has not responded to prior treatments. About 66 adults will receive o…

This study looks at whether a simple blood test can find tiny bits of cancer DNA left after surgery and chemotherapy for stage III colon cancer. If the test is positive, patients may get extra treatment with chemotherapy or immunotherapy to try to wipe out any remaining cancer ce…

This study is for people with a certain genetic type of advanced colorectal cancer (BRAF V600E) who previously benefited from a specific drug combination (encorafenib plus cetuximab). Researchers want to see if giving these drugs again, guided by a blood test that looks for cance…

This phase 3 trial tests a drug called teduglutide in 13 Chinese adults with short bowel syndrome who rely on IV nutrition. Participants get a daily injection for 24 weeks to see if it reduces their need for IV support. The study also checks safety and how the body processes the …

This phase III trial compares two first-line treatments for people with a specific genetic subtype of metastatic colorectal cancer (dMMR/MSI-H). One group receives the immunotherapy drug atezolizumab alone, while the other gets atezolizumab combined with chemotherapy (FOLFOX) and…

This trial tests whether a combination of two common antihistamines, cetirizine and famotidine, can reduce symptoms in people with diarrhea-predominant irritable bowel syndrome (IBS-D). Participants take the antihistamines or a placebo for 30 days, then switch, so each person ser…

This early-phase trial is testing a combination of two drugs—trastuzumab deruxtecan (a targeted chemotherapy) and ceralasertib (a drug that may block cancer cell repair)—in people with advanced solid tumors that have a HER2 mutation. The study has two parts: first, finding the sa…

This study looks at the safety and effectiveness of Velsipity tablets taken daily for up to 52 weeks by people with moderate to severe ulcerative colitis. About 553 participants will be followed in real-world medical settings. The goal is to see if the drug can help control sympt…

This early-stage trial tests an experimental drug called ONO-4578, both on its own and together with another experimental drug, ONO-4538, in people with advanced or metastatic solid tumors. The study also includes separate groups for people with gastric cancer or colorectal cance…

This early trial tests a radioactive drug called MNPR-101-PCTA-177Lu in adults with advanced solid tumors, including bladder, breast, lung, and pancreatic cancers. Participants receive three equal doses by IV over two 12-week cycles. The main goal is to find a safe dose and under…

This trial tests whether adding dihydroartemisinin, a malaria drug, to a standard chemotherapy plus immunotherapy combo can shrink or eliminate colorectal tumors in people whose cancer has not spread widely or has returned after first-line treatment. The goal is to make surgery m…

This phase 2 trial tests whether giving pembrolizumab, bevacizumab, and chemotherapy before surgery can improve outcomes for people with a common type of locally advanced rectal cancer. The cancer must be microsatellite stable, which typically does not respond well to immunothera…

This phase II trial compares a three-drug chemotherapy combination (FOLFIRINOX) against standard two-drug combos (FOLFOX or CAPOX) in 783 patients with locally advanced rectal cancer. The goal is to see if the stronger regimen leads to a complete disappearance of the tumor, poten…

This phase 1 trial tests an experimental cell therapy called IX001 TCR-T in adults with advanced pancreatic or colorectal cancer that has not responded to at least two standard treatments. The therapy uses a patient's own immune cells, engineered to recognize cancer cells with KR…

This study tests whether adding the experimental drug CTX-009 to standard chemotherapy (paclitaxel) helps adults with advanced bile duct, gallbladder, or ampullary cancer that has worsened after one prior treatment. About 168 participants will be randomly assigned to receive eith…

This early-phase trial is testing a combination of chemotherapy (FOLFOX), an anti-angiogenic drug (bevacizumab), and two immunotherapies (botensilimab and balstilimab) in 20 patients with MSS metastatic colorectal cancer, a type that usually doesn't respond to immunotherapy. The …

This study tests a new oral drug called IPN01194 in 36 adults with advanced solid tumours (melanoma, colorectal, pancreatic, or head and neck cancer) that have not responded to standard treatments. The goal is to find the right dose and check if it is safe, while also looking for…

This early-stage trial is testing a new oral drug, PF-07799933, in people aged 16 and older with advanced solid tumors that have a specific BRAF gene change. The drug is given alone or combined with other medicines like binimetinib or cetuximab. The study aims to find safe doses …

This study tests a new drug called BMS-986490, alone or with bevacizumab, in people with advanced solid tumors that have a specific marker (CEACAM5). The goal is to see if the treatment is safe and works against these cancers. About 360 participants will take part in this early-s…

This study tests a combination of three drugs (botensilimab, balstilimab, and regorafenib) in people with a type of advanced colorectal cancer that is hard to treat (MSS type) and has worsened after standard chemotherapy. The goal is to see if this mix can shrink tumors or slow t…

This early-stage trial tests two experimental pills (PF-07799544 and PF-07799933) taken twice daily at home by adults with advanced solid tumors that have a specific gene change called BRAF V600. The study aims to find safe doses and see if the drugs can shrink tumors. About 124 …

This study tests a video-based healthy lifestyle program for adults aged 50 to 74 who are overweight and have conditions like prediabetes, type 2 diabetes, or high blood pressure. Participants use a tablet, scale, and activity tracker at home, and some get extra support from a co…

This study tests whether guselkumab, given as a shot under the skin, can help people with moderate to severe Crohn's disease achieve remission and heal their gut lining. About 350 adults who have not responded well to other treatments will receive either guselkumab or a placebo. …

This large study tests whether guselkumab, an injected drug, can control symptoms and heal the gut lining in people with moderate to severe Crohn's disease. About 1,400 participants will receive guselkumab, an existing treatment (ustekinumab), or a placebo. The goal is to see if …

This study tests guselkumab, a drug that targets inflammation, in over 1,000 people with moderate to severe ulcerative colitis. Participants receive either guselkumab or a placebo to see if the drug can improve symptoms and lead to remission. The goal is to find a new treatment o…

This study tests whether early, personalized nutritional support and a simple home exercise program can prevent weight loss and improve quality of life in 200 adults with lung, colorectal, ovarian, or pancreatic cancer starting palliative chemotherapy. Participants receive guidan…

This study tests a combination of three drugs—bintrafusp alfa, PDS01ADC, and entinostat—in adults with advanced HPV-related cancers (like cervical, anal, or throat cancer) or certain colon cancers that haven't responded to standard treatment. The goal is to find a safe dose and s…

This study tests a drug called amlitelimab in adults with celiac disease who still have symptoms even after following a gluten-free diet for at least a year. About 229 participants will receive either the drug or a placebo as a shot under the skin for up to 28 weeks. The goal is …

This study tests a new drug called Cetrelimab (JNJ-63723283) in 234 people with advanced solid tumors like lung, melanoma, bladder, and colorectal cancers. The drug works by blocking PD-1, a protein that stops the immune system from attacking cancer cells. The trial has two parts…

This study tests a drug called golimumab in children aged 2-17 with moderate-to-severe ulcerative colitis, a chronic bowel disease causing inflammation and symptoms like diarrhea and bleeding. The goal is to see if the drug can bring about remission (symptom relief) within 6 week…

This study compares the real-world effectiveness of mirikizumab against standard biologic therapies for adults with ulcerative colitis or Crohn's disease. Researchers will track whether mirikizumab reduces the need for extra medical care, like emergency visits or treatment change…

Researchers are testing whether having mango before or after a meal changes how the body handles blood sugar and inflammation in people with prediabetes. The study involves 33 adults aged 20 to 60 who are overweight and have elevated fasting glucose or HbA1c. Participants will co…

This study tests if taking a budesonide tablet once daily works as well as taking it twice daily for adults with eosinophilic esophagitis, a condition where immune cells damage the esophagus. About 308 adults with active disease will receive one of the two dosing schedules for 6 …

This study tests an injected drug called guselkumab for people with moderate-to-severe ulcerative colitis, a chronic bowel disease causing inflammation and symptoms like diarrhea and bleeding. About 418 adults who haven't responded well to other treatments will receive either the…

Researchers are testing whether a specially fermented milk drink with probiotic bacteria can improve symptoms of irritable bowel syndrome (IBS) and metabolic syndrome. The study will include 80 adults with IBS or at least one sign of metabolic syndrome, such as high blood pressur…

This study tests a drug called guselkumab in 120 people with Crohn's disease to see if it can heal all layers of the digestive tract. The main goal is to check healing using an MRI scan after 48 weeks of treatment. Participants must have active Crohn's disease and will receive th…

This early-stage trial is testing whether amivantamab, a drug that targets specific proteins on cancer cells, can be given as a shot under the skin instead of through an IV. About 158 adults with advanced solid tumors (like lung or head and neck cancers) will receive different do…

This study follows 159 children aged 2 to 17 who have already completed a prior ustekinumab study for Crohn's disease, ulcerative colitis, or psoriatic arthritis. The goal is to collect long-term safety data by monitoring side effects, lab results, and injection-site reactions. P…

This study tests whether combining two biologic drugs, guselkumab and golimumab, works better than either drug alone for people with moderate to severe ulcerative colitis. About 577 participants who haven't responded well to other advanced therapies will receive injections of the…

This phase 2b study tests whether combining two biologic drugs, guselkumab and golimumab, works better than either drug alone for people with moderate to severe Crohn's disease. About 703 participants will receive the combination or a placebo over 48 weeks. The goal is to see if …

This study tests a drug called guselkumab in children aged 2-17 with moderate to severe ulcerative colitis, a condition causing inflammation in the colon. The goal is to see if the drug can bring the disease under control and keep it in remission for up to 56 weeks. About 112 chi…

This study tests an experimental drug called AZD7798 in 24 adults with active Crohn's disease who have an ileostomy. The goal is to see if the drug is safe and can help repair the gut lining compared to a placebo. Participants will be monitored for side effects and changes in the…

This trial asks whether a supplement made from brown algae, called fucoidan, can improve gut health in people with mild to moderate ulcerative colitis. Participants will take fucoidan or a placebo alongside their usual medication for 12 weeks. Researchers will measure changes in …

This phase 2 study tests the drug entrectinib in over 500 people with advanced solid tumors that have specific gene changes (NTRK, ROS1, or ALK fusions). The goal is to see if the drug can shrink tumors and control the disease. Participants have various cancer types, including lu…

This study looks at how well etrasimod works for people with moderate to severe ulcerative colitis when used in normal doctor visits. About 360 adults aged 18 to 65 will take etrasimod as prescribed by their doctor and fill out health questionnaires online. Researchers will track…

This study tests whether a drug called QBECO, given as a self-injection before and after liver surgery, can lower the chance of colorectal cancer coming back or spreading. About 115 adults with colorectal cancer that has spread to the liver will take part. They will inject the dr…

This trial asks whether adding maximal tumor debulking—removing or destroying as many metastases as possible through surgery, heat ablation, chemo-embolization, or targeted radiation—to standard chemotherapy improves overall survival in people with colorectal cancer that has spre…

This study tests a digital health system that reminds people with inflammatory bowel disease (IBD) to take their medication and lets them report symptoms. About 123 adults starting a new oral or injectable treatment will use the system or get standard care for 12 months. The goal…

This trial tests whether a prebiotic supplement can ease symptoms in people with mild ulcerative colitis, a chronic inflammatory bowel disease. Participants will take either the prebiotic or a placebo for eight weeks. The study aims to see if certain gut bacteria patterns can pre…

This study tests an experimental drug called AZD5305, a PARP inhibitor, either alone or combined with other cancer drugs in people with advanced solid tumors (like ovarian, breast, pancreatic, and lung cancers). The goal is to see if the treatment is safe and can shrink tumors. A…

This phase 2 trial is testing whether adding the immunotherapy drug durvalumab to the usual chemotherapy and radiation treatment can help people with locally advanced anal cancer stay cancer-free longer. The study includes about 180 adults with stage IIB–IIIC anal cancer. Partici…

This study looks at whether giving an extra dose of the antibiotic cefoxitin during appendix removal surgery can better prevent infections compared to the usual single dose before surgery. Researchers will measure antibiotic levels in blood, fat, and appendix tissue from 46 parti…

This clinical trial is testing whether risankizumab, an experimental drug, can safely and effectively maintain remission in people with moderate to severe Crohn's disease who have already responded to initial treatment. Participants will receive either risankizumab or a placebo f…

This study tests a treatment made from healthy donor stool (MTP-101-C) for cancer patients whose skin or gut side effects from immunotherapy don't get better with steroids. About 30 participants will take the oral capsules to see if the therapy is safe and can calm these side eff…

This study looks at how well and how safely the drug mirikizumab works over the long term for people with Crohn's disease. About 996 adults who were in earlier mirikizumab studies will continue treatment. The goal is to see if the drug can keep the gut healed and symptoms under c…

This study compares two approved drugs, risankizumab and vedolizumab, in about 530 adults with moderate to severe ulcerative colitis who have not tried targeted therapies before. Participants will receive one of the two drugs for about a year. The main goal is to see which drug b…

This trial is testing whether a catheter that suctions out blood clots can restore blood flow to the intestine in people with acute mesenteric ischemia, a life-threatening blockage of the artery feeding the gut. Participants will undergo thrombus aspiration, and if needed, laparo…

This study tests whether adding two targeted drugs (encorafenib and cetuximab) to standard immunotherapy (pembrolizumab) works better than immunotherapy alone for people with a specific genetic type of advanced colorectal cancer. About 107 participants with untreated, metastatic …

This study looks at the long-term safety and effectiveness of a drug called glepaglutide in adults with short bowel syndrome (SBS), a condition where the body can't absorb enough nutrients from food. Participants who were already in earlier trials can continue treatment for up to…

This study tests an experimental drug called tezepelumab in people aged 12 to 80 with eosinophilic esophagitis, a condition where white blood cells build up in the esophagus, causing trouble swallowing. Participants receive either the drug or a placebo as a shot under the skin. T…

This phase 3 trial is testing whether adding the immunotherapy drug durvalumab to standard chemotherapy can help people with advanced biliary tract cancer (a type of bile duct cancer). About 142 participants will receive the combination, and researchers will track side effects, s…

This study looks at people with advanced colorectal cancer whose tumor tissue shows no RAS/BRAF mutation, but a liquid biopsy (blood test) finds a RAS mutation. It compares two standard drug combos (FOLFIRI plus either cetuximab or bevacizumab) to see which works better at stoppi…

This study is testing a robotic device that doctors use through the anus to remove benign growths (polyps, adenomas) from the rectum and sigmoid colon. The goal is to see if the device can remove the entire growth in one piece safely, without causing bleeding or a hole in the bow…

This Phase 3 trial tests a single injection of muscle cells (iltamiocel) into the anal sphincter to reduce accidental bowel leakage in women who have had a childbirth injury. About 200 women will receive either the cell injection or a placebo. The study measures how often leakage…

This study tests whether an experimental drug called D-2570 can help people with moderately to severely active ulcerative colitis achieve remission. About 120 adults will receive either D-2570 or a placebo daily for 12 weeks. The main goal is to see if more people on D-2570 reach…

This phase 3 trial tests whether a new drug combination (XL092 plus atezolizumab) works better than the current standard drug regorafenib for people with advanced colorectal cancer that has not responded to other treatments. About 900 participants will receive either the new comb…

This study follows 400 adults with moderate to severe ulcerative colitis who are already prescribed upadacitinib (RINVOQ) by their doctor. Researchers will track how well the drug controls symptoms like diarrhea and rectal bleeding over two years. The goal is to see if early impr…

This phase 3 trial tests whether adding bevacizumab (a drug that starves tumors by blocking new blood vessels) to standard maintenance chemotherapy helps people with metastatic colorectal cancer stay progression-free longer. About 400 adults whose disease is controlled after 4–6 …

This trial compares changing the dressing on a PICC line (a type of central catheter) every week versus every two weeks in people with colon or pancreas cancer receiving chemotherapy. The goal is to see if less frequent changes are just as safe, with no increase in skin injuries,…

This phase 1 trial tests a new method of delivering chemotherapy for people with cancers that have spread to the lining of the abdomen (peritoneal carcinomatosis) from gastrointestinal cancers like colorectal, stomach, or pancreatic cancer. The drug, nanoliposomal irinotecan (Oni…

This trial tests a digital tool that helps doctors and patients manage cancer risks linked to hereditary syndromes like BRCA-related breast/ovarian cancer and Lynch syndrome. The tool provides personalized recommendations during primary care visits. Researchers compare care gaps,…

This study tests a drug called trastuzumab deruxtecan (T-DXd) in people with various advanced cancers that have a protein called HER2. The goal is to see if the drug can shrink tumors and control the disease. About 477 participants with cancers like bladder, cervical, ovarian, an…

This early-phase trial tests an experimental immunotherapy called ELI-002 7P in people with pancreatic or other solid tumors that have specific KRAS or NRAS gene mutations. The treatment aims to train the immune system to attack cancer cells. About 158 participants will receive t…

This study looks at the long-term safety and effectiveness of the drug etrasimod for people with moderate to severe ulcerative colitis. Participants had already taken part in earlier studies and will continue taking etrasimod for up to 2 years. The goal is to see if the drug can …

This trial tests whether giving chemotherapy before or after radiation therapy works better for people with locally advanced rectal cancer that has a high risk of coming back. Participants receive the same drugs (capecitabine and oxaliplatin) but in a different order. The goal is…

This study tests an experimental drug called CLF065 in 20 adults with chronic pouchitis, a condition causing inflammation in a surgically created internal pouch. Participants receive weekly doses of CLF065 or a placebo to see if the drug safely reduces symptoms and inflammation. …

This study tests whether adding an immunotherapy drug (tislelizumab) to standard chemoradiation before surgery can improve outcomes for people with locally advanced rectal cancer. About 100 participants will receive the combination treatment, and researchers will measure how many…

This clinical trial is testing whether combining two drugs—capecitabine (a chemotherapy pill) and lenvatinib (a targeted therapy)—can shrink tumors in people with advanced colorectal cancer that has stopped responding to standard treatments. The study enrolls adults aged 19 and o…

This early-stage trial tests a new drug called OKI-219 in people with advanced solid tumors or breast cancer that have a specific PI3K gene mutation. The drug is designed to block the mutant protein and slow cancer growth. Up to 200 participants will receive OKI-219 alone or comb…

This phase 2 trial tests a combination of two drugs, lenvatinib and paclitaxel, in 51 adults with advanced biliary tract cancer that has worsened after standard gemcitabine treatment. The goal is to see if the combo can shrink tumors and slow the disease. Participants take lenvat…

This Phase III trial tests whether a modified short-course radiation that spares nearby lymph nodes, combined with chemotherapy (CAPOX) and the immunotherapy drug tislelizumab, works better than standard radiation plus chemotherapy for people with a certain type of rectal cancer …

This trial compares two surgical techniques for women with full-thickness rectal prolapse: a modified rectosacrouteropexy and the standard Wells rectopexy. The goal is to see which method leads to fewer recurrences, fewer complications, and better pelvic floor function. Thirty-si…

This trial investigates whether less invasive treatments can save the rectum in people with early-stage rectal cancer. Participants receive either standard surgery (removing part of the rectum) or one of two organ-sparing approaches: short-course radiotherapy or chemoradiation (c…

This study tests whether following the Norwegian dietary guidelines—including healthy foods, cooking classes, and physical activity—can improve survival and reduce cancer recurrence in 503 people who had colorectal cancer. Participants are guided by nutritionists and given food d…

This study tests whether naloxegol, a drug that blocks opioid effects in the gut, can prevent constipation and pneumonia in brain-injured patients in the ICU. These patients often receive opioids for sedation, which can slow digestion and lead to serious complications. The trial …

This phase 3 trial tests whether taking a low-dose aspirin (100 mg) daily for three years can prevent colon cancer from coming back after surgery. It includes 264 people with stage II or III colon cancer who have a specific mutation in the PI3K gene. Participants are randomly ass…

This study is testing whether a short-term, low-calorie diet called a fasting mimicking diet (FMD) can help patients recover better after surgery for colorectal cancer. The diet is given in cycles after the operation and is designed to be easier to follow than complete fasting. R…

This study tests four different tools—coaching, education, text messages, and health coaching—to help cancer survivors improve their diet, physical activity, and weight. About 350 adults who have completed treatment for several cancer types will use these tools for up to 48 weeks…

This early phase trial tests a biological product mix designed to train the immune system to recognize and kill CEA-positive rectal cancer cells. The study involves 20 participants with early-stage rectal cancer (Stage 0 to IIA) who have not yet developed symptoms or metastasis. …

This study looks at whether people with Crohn's disease who are in remission can safely stop taking aminosalicylate (5-ASA) medication without their condition getting worse. About 334 participants will either continue or stop their 5-ASA therapy and be followed for 2 years to see…

This study tests whether a single immunotherapy drug, dostarlimab, can effectively treat people with a specific type of advanced rectal cancer (dMMR/MSI-H) that has not been treated before. About 154 participants will receive the drug and, if their cancer completely disappears, t…

This study tests a more intense chemotherapy regimen (mFOLFOXIRI) plus the drug bevacizumab against a standard regimen (mFOLFOX-6) plus bevacizumab as a first treatment for people with advanced colorectal cancer that cannot be removed by surgery. The trial includes 528 participan…

This study looks at whether giving chemotherapy both before and after surgery (perioperative) is better than only after surgery for people with advanced colon cancer. About 738 participants will be randomly assigned to one of two groups. The goal is to see if the perioperative ap…

This phase 2 pilot study is testing whether giving two immunotherapy drugs, botensilimab and balstilimab, before surgery can shrink tumors in people with colorectal cancer. The trial includes 26 participants across three groups, with some receiving more doses and one group having…

This study tests whether combining two drugs (nivolumab and regorafenib) with short-course radiation can shrink tumors in people with stage II or III rectal cancer. About 72 participants will receive the drugs before and after radiation, followed by surgery or a watch-and-wait ap…

This study is testing whether a combination of three drugs—trifluridine/tipiracil, capecitabine, and bevacizumab—can safely control metastatic colorectal cancer in people who are not healthy enough for standard intensive chemotherapy. The first part finds the best dose, and the s…

This early-stage trial is testing a combination of pelareorep (a reovirus) and atezolizumab (an immunotherapy) along with standard chemotherapies in people with advanced anal or pancreatic cancers. The study aims to find safe doses, look for biomarkers that predict response, and …

This study tests whether giving a single dose of radiation directly to the tumor area during surgery is feasible for people with advanced or recurrent rectal cancer. About 31 participants will be randomly assigned to receive standard surgery, surgery plus a standard radiation dos…

This study tests two drug combinations for people with advanced colorectal cancer that has a specific genetic change called KRAS G12C. In one group, patients who haven't had treatment yet will receive the drugs IBI351 and cetuximab β plus chemotherapy (FOLFIRI). In another group,…

This study tests a community-based program to help Black and Latino adults with diabetes, prediabetes, high blood pressure, or obesity. Participants receive lifestyle coaching, help connecting to health and social services, and digital skills training. The goal is to see if this …

This trial is for people with colorectal cancer that has spread to a few spots in the body but cannot be fully removed by surgery alone. After 3-4 months of standard chemotherapy, participants either continue chemotherapy alone or also receive local ablative therapy—such as surge…

This early-phase trial tests a new universal CAR-T cell therapy (REVO-UWD-01) in 30 adults with metastatic colorectal cancer that has spread. The treatment targets a protein called GCC found on cancer cells. The main goals are to find the safest dose and check for side effects, w…

This study looks at whether using just one medication (infliximab) under the skin works as well as using it together with another immune-suppressing drug for people with Crohn's disease or ulcerative colitis. About 420 adults who have already started infliximab will be followed f…

This phase 3 trial compares two treatment approaches for high-risk rectal cancer. The experimental group gets a short course of radiation (5 days) followed by several months of chemotherapy before surgery. The standard group receives longer chemoradiotherapy followed by surgery a…

This study tests a new surgical method for removing non-cancerous or early cancerous growths (submucosal tumors) located where the stomach meets the esophagus. The technique combines two types of scopes (laparoscope and endoscope) with a special step to prepare the blood vessels …

This study tests whether a mix of treatments—including the patient's own stem cells, a strict keto diet, and a fecal transplant—can improve social skills, communication, and gut health in 50 teens and adults with autism. Participants must be stable on their current medications. T…

This trial tests a nurse-led health program for women aged 45 to 64 in Hong Kong. The program uses a 5-step approach (ask, advice, assess, assist, arrange) to help women manage conditions like high blood pressure, anxiety, and menopause symptoms. Researchers will compare the prog…

This study tests a temporary device called Colovac that is placed inside the bowel after colon cancer surgery to protect the surgical connection. The goal is to see if it can help patients avoid needing a temporary stoma bag. About 108 adults with colon cancer will take part, and…

This study tests whether a bioelectric wound dressing can reduce infections after colon surgery better than the usual antiseptic skin prep. About 20 adults having elective colon surgery will be enrolled. Researchers will measure bacteria levels in skin samples to compare the two …

This study looks at how well dupilumab, an already approved drug, works for people with severe eosinophilic esophagitis (EoE) that has caused narrowing of the esophagus. About 23 participants aged 16 and older will receive weekly injections of dupilumab for one year. The goal is …

This study tests whether adding high-dose vitamin D3 to standard anti-TNF therapy can improve symptoms and reduce inflammation in people with active Crohn's disease or ulcerative colitis. About 100 adults starting anti-TNF treatment will receive either vitamin D3 or a placebo for…

This pilot study tests a new rectal applicator for delivering radiation therapy to elderly patients with inoperable rectal cancer. The treatment combines external beam radiation with three sessions of internal radiation (brachytherapy) using the new device. The study aims to see …

This study tests a low dose of the immunotherapy drug nivolumab, alone or with chemotherapy, in people with advanced colorectal or stomach cancers that have a specific genetic feature (MSI/dMMR). The goal is to see if this approach can shrink tumors before surgery or control the …

This study tests a structured nutrition plan for 300 ICU patients who had abdominal surgery and cannot eat normally. The plan includes IV nutrition, oral supplements, and a device to measure calorie needs. Researchers will track infections, ICU stay length, and muscle loss to see…

This phase 2 trial is testing whether low doses of the immunotherapy drugs nivolumab or pembrolizumab can shrink tumors in people with a specific genetic type of colorectal cancer (MSI/dMMR) before they have surgery. The study involves 30 participants with stage II-III disease wh…

This study looks at how well a combination of three drugs—capecitabine, oxaliplatin, and bevacizumab—works as a first treatment for elderly patients (70 and older) with metastatic colorectal cancer that cannot be removed by surgery. The goal is to see if this approach can delay c…

This study tests an oral drug called selpercatinib in people with advanced solid tumors that have RET gene alterations, including certain lung, thyroid, and colon cancers. The goal is to find the best dose and see if the drug can shrink tumors. About 857 participants are enrolled…

This study aimed to test whether injecting donor stem cells directly into fistulas could safely help heal them in people with Crohn's disease who have an ileal pouch. The trial was withdrawn before any participants were enrolled, so no results are available. The approach was expe…

This study tests whether risankizumab works better than ustekinumab for adults with moderate to severe Crohn's disease who have not responded to anti-TNF therapy. About 527 participants will receive either drug through IV and then injections over nearly a year, with some continui…

This phase 3 trial tests whether upadacitinib (RINVOQ), a daily oral medication, can help adults with Crohn's disease maintain remission after initial treatment. About 747 participants who responded to upadacitinib in earlier studies will receive either the drug or a placebo. The…

This study tests an experimental drug called emvistegrast (GS-1427) in about 228 adults with moderate to severe ulcerative colitis. Participants receive either the drug or a placebo, and researchers check if symptoms improve after 12 weeks. The goal is to see if the drug can redu…

This phase II trial tests whether adding tocotrienol, a form of vitamin E, to standard chemotherapy and bevacizumab can improve treatment and reduce side effects in people with metastatic colorectal cancer. About 83 participants will be randomly assigned to receive either tocotri…

This study is observing 300 adults with metastatic colorectal cancer who are receiving a combination of two drugs (fluoropyrimidine and bevacizumab). The goal is to measure how long patients live and how long the cancer stays under control. The study is not testing a new treatmen…

This study tests whether giving chemotherapy before and after surgery (plus heated chemo directly into the abdomen) helps people with colorectal cancer that has spread to the lining of the abdomen live longer. About 358 adults with resectable disease are randomly assigned to eith…

This study tests a new drug called JDQ443, alone or with other treatments, for people with advanced solid tumors that have a specific genetic change called KRAS G12C. The goal is to find the safest dose and see if the drug can shrink tumors. About 344 adults whose cancer has not …

This study compares two minimally invasive treatments—microwave ablation and stereotactic body radiation therapy—for colorectal cancer that has spread to the liver. About 100 patients with 1 to 3 liver tumors that cannot be surgically removed will be randomly assigned to one of t…

This study tests whether low-dose aspirin can help prevent colorectal cancer from coming back in patients whose tumors have certain genetic changes (in the PI3K pathway). Over 600 patients who had surgery for stage II or III colon or rectal cancer are randomly assigned to take as…

This Phase I trial tests a combination of two oral drugs, defactinib and VS-6766, in people with advanced solid tumors such as non-small cell lung cancer, low-grade serous ovarian cancer, and pancreatic cancer. The study aims to find the safest dose and evaluate how well the drug…

This phase III trial tests whether adding high-dose vitamin D3 to standard chemotherapy and bevacizumab helps people with metastatic colorectal cancer. About 455 patients who have not had prior treatment for their advanced disease are taking part. The goal is to see if the vitami…

This early-stage trial is testing whether a combination of two drugs, naporafenib and trametinib, can shrink or control advanced solid tumors that have a specific genetic change called RAS Q61X. About 86 people whose cancer has not responded to standard treatments will receive th…

This study looks at whether closing the pelvic floor with stitches after removing rectal cancer can stop the bowel from getting blocked. About 516 people having keyhole surgery for mid-low rectal cancer will be randomly assigned to get the closure or not. The main goal is to see …

This study looks at whether a 6-month exercise program (a mix of aerobic and resistance training) can improve fitness and reduce the risk of cancer coming back in patients who had surgery for colorectal cancer that spread to the liver. About 66 participants will be split into thr…

This study tests a new way for cancer doctors and primary care doctors to work together to help cancer survivors manage other health problems like high blood pressure, diabetes, and high cholesterol. About 800 adults with certain cancers and at least one of these conditions will …

This study tests whether a fecal microbiota transplant (FMT) from a healthy donor can delay or prevent pouchitis, a common complication after ulcerative colitis patients have their colon removed and a pouch created. About 42 adults who have had this surgery and have had pouchitis…

This study looks at whether starting chemotherapy 10 to 14 days after surgery for stage III colon cancer is better than waiting the usual 2 weeks or more. About 300 patients are taking part to see if earlier treatment improves survival and lowers the chance of cancer coming back.…

This study compares two treatments for colorectal cancer that has spread to the liver: surgical removal of tumors versus a less invasive needle ablation procedure guided by 3D imaging. 230 patients are randomly assigned to one of the two treatments. The goal is to see if ablation…

This Phase 2 trial tests a shorter course of radiation followed by FOLFOX chemotherapy before surgery for locally advanced rectal cancer. About 364 participants will be randomly assigned to either this new regimen or standard chemoradiation. The goal is to see if the shorter appr…

This study aimed to see if adding the targeted drug inavolisib to standard chemotherapy and bevacizumab could help people with a specific genetic form of advanced colorectal cancer (PIK3CA-mutated). It was designed for adults who had not yet received treatment for metastatic dise…

This study looks at standardizing the surgical process for patients with advanced or recurrent rectal cancer that has spread to nearby organs. The procedure, called pelvic exenteration, removes the tumor along with affected structures. The goal is to improve teamwork among surgeo…

This study compares two ways of giving chemotherapy directly into the belly after surgery to remove visible cancer from the lining of the abdomen. The cancer comes from the appendix, colon, or rectum. About 292 adults will be randomly assigned to receive either early post-operati…

This small pilot study is testing two immunotherapy drugs, botensilimab and balstilimab, in 16 people with advanced colorectal cancer that has not spread to the liver. Participants receive the drugs in 6-week cycles, and if the cancer progresses, standard chemotherapy is added. T…

This phase 3 trial compares two targeted cancer pills, ripretinib and sunitinib, in about 450 people with advanced gastrointestinal stromal tumor (GIST) whose first treatment (imatinib) stopped working or caused side effects. The main goal is to see if ripretinib delays cancer gr…

This study tests whether using a blood test for circulating tumor DNA (ctDNA) can help doctors decide if patients with stage II or III colon cancer need stronger chemotherapy after surgery. The trial compares standard chemo with a more intense regimen (FOLFOXIRI) and an additiona…

This study tests a two-year follow-up program for 200 adults with hereditary cancer syndromes like BRCA or Lynch syndrome. Participants get personalized care plans and regular check-ins with a genetics doctor to help them follow cancer prevention and screening guidelines. The goa…

This early-phase study tests an experimental oral drug (GSK4418959) in adults with advanced solid tumors that have specific genetic changes (dMMR or MSI-H). The drug works by blocking a protein (WRN) that these tumors need to survive. The study aims to see if the drug, alone or w…

This study tests a new approach for people with locally advanced rectal cancer that has a common genetic profile (MSS/pMMR). Instead of standard radiation before surgery, participants receive a combination of chemotherapy (mFOLFOX6) and an immunotherapy drug (PD-1 antibody). The …

This trial tests a modified stapling technique (MST) against the standard method in 450 adults having minimally invasive rectal cancer surgery. The goal is to see if MST reduces the chance of anastomotic leaks, a serious complication. Participants will be randomly assigned to one…

This early-stage trial aimed to see if injecting donor stem cells around fistulas (abnormal tunnels) could safely help heal them in people with Crohn's disease. The study planned to enroll 20 adults with complex or multiple fistulas. However, the trial was withdrawn before any pa…

This study looks at whether using an antibiotic solution to wash the surgical area during laparoscopic appendix removal can lower the chance of wound infections in children with a burst appendix. About 200 children aged 18 or younger will take part. The goal is to find a better w…

This study tests whether a personalized diet supplement (a type of starch) can increase helpful gut bacteria in children with Crohn's disease. The goal is to see if this can help maintain remission and reduce the need for stronger medication. The study involves 45 children aged 8…

This phase 3 study tests whether risankizumab, an injected drug, can safely maintain remission in people with ulcerative colitis who already improved with the same drug. Over 1,200 participants will receive either risankizumab or a placebo for 52 weeks, with an option to continue…

This study tests whether transplanting healthy donor stool into the gut can help people with ulcerative colitis, a chronic bowel disease. About 150 adults with active or steroid-dependent disease will receive either real fecal transplants or a sham procedure. The goal is to see i…

This study tests whether MitoQ, a supplement that protects cell batteries (mitochondria), can help people with moderate ulcerative colitis (UC) flare-ups. About 79 adults will take either MitoQ or a placebo daily for 24 weeks, alongside standard steroid treatment. The goal is to …

This study tests the long-term safety and effectiveness of upadacitinib (RINVOQ) in about 950 people with ulcerative colitis who didn't respond well to earlier treatment. Participants take the drug or a placebo orally. The goal is to see if it can control the disease over time wi…

This study aimed to test whether MitoQ, a dietary supplement with antioxidant properties, could help control inflammation in children aged 6–17 with mild-to-moderate ulcerative colitis. Participants would have taken MitoQ or a placebo daily for 24 weeks alongside their usual medi…

This early-phase trial tests a new approach to treat advanced solid tumors by giving patients a large dose of their own immune cells that are specially selected to attack cancer. The cells are taken from the tumor, multiplied in the lab, and then infused back. Some patients also …

This phase 2 trial tests whether combining the immunotherapy nivolumab (Opdivo) with the chemotherapy oxaliplatin can help control or shrink metastatic colorectal cancer that is mismatch repair proficient (pMMR) or microsatellite stable (MSS)—types that usually don't respond well…

This study tests an oral drug called selpercatinib (LOXO-292) in children with advanced solid or brain tumors that have a specific RET gene change. The trial has two parts: first finding a safe dose, then measuring how many children's tumors shrink. About 36 children whose cancer…

This phase II trial is testing whether combining two drugs—niraparib and panitumumab—can help people with advanced colorectal cancer that has spread. The study includes 26 patients whose cancer has not responded to at least one prior treatment. The goal is to see if the combinati…

This phase 3 study tests whether a combination of trifluridine/tipiracil (a chemotherapy pill) and bevacizumab (a targeted therapy) works better than the current standard of capecitabine plus bevacizumab for people with metastatic colorectal cancer who are not healthy enough for …

This study tests whether surgeons can safely remove less tissue during surgery for upper rectal cancer after patients have received pre-surgery therapy. About 874 adults with locally advanced rectal cancer will be randomly assigned to either standard or reduced surgical margins. …

This study tests whether giving a lower dose of radiation to nearby lymph nodes can reduce side effects in people with anal cancer who are also receiving chemotherapy. The trial includes 33 adults with locally advanced anal cancer. The goal is to see if this approach lowers toxic…

This study tests three different doses of an experimental drug called MORF-057 in 280 adults with moderate to severe ulcerative colitis, a chronic inflammatory bowel disease. The goal is to see if the drug can safely help patients achieve remission, meaning less bleeding, more no…

This phase 2 trial is testing the immunotherapy drug pembrolizumab (Keytruda) in 25 adults with a specific type of advanced colorectal cancer (dMMR) that cannot be surgically removed. The goal is to see if the drug can shrink the tumors enough to make surgery possible. Treatment …

This phase 3 trial tests whether combining regorafenib and irinotecan works better than regorafenib alone for people with metastatic colorectal cancer who have already tried standard treatments. About 377 participants will receive either the combo or the single drug. The main goa…

This study tests a drug called dostarlimab in 23 Chinese patients with a specific type of advanced rectal cancer (dMMR/MSI-H) that has not been treated before. The goal is to see if the drug can make the cancer disappear completely and stay gone for at least 12 months. Patients r…

This program gives patients with CHAPLE disease, a rare and life-threatening immune disorder that causes protein loss from the gut, access to the experimental drug pozelimab. The goal is to provide treatment and monitor long-term safety. Participants must have a confirmed genetic…

This study was designed to test an experimental immunotherapy called AlloStim combined with a checkpoint inhibitor (avelumab) in people with advanced colorectal cancer that had stopped responding to multiple prior treatments. The trial was withdrawn before any participants were e…

This study looks at whether a special drink made with easily digested protein and MCT oil can help improve malnutrition in cancer patients who are having radiotherapy. The study will follow 132 adults with head and neck, lung, rectal, or esophageal cancer for 12 weeks. Researcher…

This early-phase trial tests whether adding the painkiller D,L-methadone to standard chemotherapy (mFOLFOX6) can help control advanced colorectal cancer that has stopped responding to other treatments. The study has two parts: first, finding a safe dose of methadone; second, comp…

This study tests two diet plans for adults with active Crohn's disease. One group follows the Crohn's Disease Exclusion Diet (CDED) with a liquid meal replacement, while the other adds dairy back early. The goal is to see if these diets can reduce symptoms and inflammation. The t…

This study tests whether a special type of internal radiation (contact X-ray brachytherapy) given after standard chemoradiation can help more people with early rectal cancer keep their rectum, compared to standard external beam radiation. About 148 adults with small, early-stage …

This study tests whether improved nutritional support, delivered through digital tools and personalized advice, can reduce malnutrition in cancer patients. Around 130 adults with gynecologic, colorectal, or lymphoma cancers will receive either standard dietary advice or enhanced …

This phase 3 trial is testing whether risankizumab (Skyrizi) can help people with moderate-to-severe Crohn's disease. About 289 adults will receive either the drug or a placebo as a shot under the skin for up to 24 weeks, followed by an open-label extension. The goal is to see if…

This study tests a new oral drug called XS-03 combined with standard chemotherapy and a targeted antibody (bevacizumab) in 102 people with metastatic colorectal cancer that has a RAS mutation. The goal is to see if the combination is safe and shrinks tumors better than current tr…

Functional somatic disorders cause persistent physical symptoms that doctors cannot explain by other diseases. The DISTRESS trial evaluates a new clinic where internal medicine doctors, trained to recognize these disorders, examine patients and provide guidance to their general p…

This study tests whether a low-radiation CT scan, enhanced with artificial intelligence software, can detect liver tumors as accurately as a standard CT scan. About 146 adults with colorectal cancer and known liver metastases will receive both scans. The goal is to see if the low…

Researchers are testing an experimental imaging agent called MNPR-101-DFO*-89Zr in people with several types of solid tumors, including bladder, breast, lung, and pancreatic cancers. The agent combines an antibody with a radioactive label, which may help PET scans reveal where tu…

This study tests a new platform called xDRIVE that combines drug sensitivity testing and AI to predict which treatments will work best for people with advanced colorectal cancer. The platform will not provide treatment itself but will give doctors a recommendation. The goal is to…

This study looks at which tests work best to find early signs of HPV-related cancer in the cervix or anus of people living with HIV. About 1,586 participants from Mexico and Puerto Rico will be tested using different methods, including HPV tests and cell samples. The goal is to c…

This study tests whether two imaging tools—laser speckle contrast imaging (LSCI) and digital thermography—can objectively grade mesenteric traction syndrome (MTS), a frequent complication during abdominal surgery that causes low blood pressure, rapid heart rate, and facial flushi…

This study is developing a blood test that looks for specific DNA changes to find colorectal cancer early, even before symptoms appear. Researchers are analyzing blood samples from 500 people with and without cancer to see how accurate the test is. The goal is to create a simple,…

This study is testing a new blood test called LUNAR-2 that looks for DNA from colorectal cancer in the bloodstream. It involves over 44,000 average-risk adults aged 45-84 who are already scheduled for a screening colonoscopy. The goal is to see how well this blood test can detect…

This study tests whether an artificial intelligence (AI) system can accurately identify the type of colon polyps during a colonoscopy, compared to standard visual inspection by the doctor. Over 1,700 adults having a colonoscopy will be randomly assigned to either AI-assisted or s…

This study looks at whether stool-based tests (like the FIT test and Cologuard) can accurately detect colorectal cancer and precancerous polyps in adults with cystic fibrosis. Researchers will compare these non-invasive tests to the standard colonoscopy in 350 participants. The g…

This study tests whether sending a colorectal cancer screening test directly to people's homes, without needing to order it first, increases the number of people who get screened. It involves 64,000 adults aged 50-74 in France. The goal is to see if this simple change leads to mo…

This study checks if a new stool test can better tell the difference between inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS) compared to current tests. About 300 adults and teens will give a stool sample and have a colonoscopy as part of their regular care. If…

This study is testing whether checking two specific genes (ACTG2 and FLNA) in blood or saliva can help diagnose a rare condition called chronic intestinal pseudo-obstruction (CIPO), where the gut acts like it is blocked but no physical blockage exists. Researchers will enroll 20 …

This study aims to see how well a new stool test, called LifeKit Prevent, can detect colorectal cancer and precancerous growths (adenomas). About 12,000 adults aged 40 and older scheduled for a screening colonoscopy will provide a stool sample for the test. The results will be co…

This study tests different programs to help people at high risk for cancer (such as those with BRCA or Lynch syndrome) or cancer survivors increase their physical activity and eat healthier. The goal is to see which programs work best to reduce cancer risk. About 337 participants…

Researchers are testing an experimental vaccine called Ad5.F35-hGCC-PADRE in adults who have had surgery and standard treatment for gastrointestinal cancers, including pancreatic, colorectal, esophageal, gastric, and small bowel adenocarcinomas. The trial aims to find a safe dose…

This study tests an experimental drug called LMN-201 to see if it can prevent C. difficile infection from coming back after standard antibiotic treatment. About 375 adults with a recent C. diff infection will receive either LMN-201 or a placebo. The main goal is to see if more pe…

Researchers are testing whether a gluten-free diet during the first three years of life, or daily probiotic supplements, can prevent celiac disease in children with a high genetic risk. The trial enrolls infants before they start eating gluten and randomly assigns them to one of …

This large study compares two common colorectal cancer screening methods: colonoscopy and annual fecal immunochemical testing (FIT). Over 50,000 veterans aged 50-75 will be randomly assigned to one of the two screenings and followed for 10 years. The goal is to see which approach…

This trial tests whether an annual stool-based test (FIT) can be as effective as routine colonoscopy for people who have had advanced polyps removed. Participants aged 50 to 65 from colorectal cancer screening programs will be randomly assigned to either yearly FIT or scheduled e…

This study tests whether sending personalized screening invitations based on a person's race, ethnicity, and diabetes risk, plus offering phone navigation for those who don't respond, leads to more people getting tested for diabetes compared to generic invitations or usual care. …

This study tests whether sending text reminders to patients who are overdue for colorectal cancer screening helps them follow through and get a colonoscopy or stool test. About 3,888 adults with a scheduled primary care visit will take part. The goal is to make it easier for peop…

This study tests three different eating plans to see which helps overweight adults at risk for colorectal cancer eat healthier and lose weight. About 240 participants will follow one of the plans for 12 months, with support from phone calls and a phone app. The goal is to find be…

This phase II trial tests whether riluzole, a drug used for ALS, can prevent nerve damage caused by oxaliplatin chemotherapy in people with stage II/III colorectal cancer. About 80 participants will receive either riluzole or a placebo during their chemo. The study is currently s…

This study tests whether a mobile health tool called mPATH™-Cloud can help more people get screened for colorectal cancer. Over 1,000 patients from a community health center in North Carolina who are overdue for screening will either receive usual care or get a link to the tool, …

This large study is testing whether a screening procedure called flexible sigmoidoscopy can lower the number of colorectal cancer cases and deaths. About 100,000 men and women aged 50-64 in Norway are taking part. The study also looks at adding a stool blood test and how screenin…

This study looks at whether giving children with a genetic risk for celiac disease a low-gluten diet (less than 3 grams per day) during their first three years of life can lower their chance of developing the disease by age 7. About 1,100 children from Sweden are taking part. The…

This study tests whether taking two drugs, eflornithine and sulindac, together can lower the chance of new high-risk growths or a second colon cancer in people who have already had stage 0 to III colon or rectal cancer. About 350 participants who are cancer-free after surgery wil…

This study tests ways to help more people complete a colonoscopy after an abnormal stool-based colorectal cancer screening test. The researchers will use team-based best practices in clinics and a patient app with enhanced instructions and navigation. About 2,000 adults who speak…

This study tests a program called CARES-REACH that trains healthcare providers and uses electronic medical record tools to increase colorectal cancer screening rates in rural clinics. Researchers are working with 49 staff and providers from two healthcare systems. The goal is to …

This study tests whether sending a letter, a home stool test kit (FIT), and follow-up phone calls can increase colorectal cancer screening among 3,000 patients aged 45-75 at community health centers in Brooklyn. Those who respond get help completing the test or scheduling a colon…

This study looked at whether taking a daily aspirin can reduce the risk of colorectal cancer in people who have already had a precancerous polyp (adenoma) removed. Researchers measured certain substances in urine and blood that are linked to inflammation and cancer growth. The go…

Doctors remove right or left colon cancer along with nearby lymph nodes, but the deep nerves that control the gut often get damaged. That damage can leave patients with lasting diarrhea, bowel spasms, or slow bowel movements. This trial compares standard surgery with a laparoscop…

During laparoscopic surgery on the rectum or lower sigmoid colon, the small intestine can slip into the operating area and block the surgeon's view. This trial tests a disposable isolation device that holds the small intestine away from the surgical site. Researchers compare the …

This pilot study offers free legal services to caregivers and patients dealing with advanced colorectal cancer. The goal is to see if early legal support can reduce financial and emotional stress. Twenty patient-caregiver pairs will receive personalized legal help from a nonprofi…

This study tests an injected drug called Halneuron to see if it can safely reduce nerve pain caused by chemotherapy. About 240 adults who have nerve pain from platinum or taxane chemo will receive either Halneuron or a placebo shot. The goal is to measure pain relief, sleep, fati…

This early-phase study tests an oral drug called ropidoxuridine (IPdR) in people with advanced gastrointestinal cancers that cannot be cured. The goal is to find the safest dose and see if it can make radiation therapy more effective at shrinking tumors. Nineteen participants wit…

This study tests whether ebastine, an allergy medication, works better than mebeverine, a common IBS drug, for reducing belly pain and improving daily life. About 200 adults with non-constipated IBS will take one of the two pills for 12 weeks. The goal is to see if ebastine provi…

This study looks at whether treating insomnia can help people with Crohn's disease feel better, including reducing pain and inflammation. About 83 adults with mild to moderate Crohn's and insomnia will receive a remote sleep treatment. The main goal is to see if the approach is p…

Researchers are testing a virtual stress-management program for people who care for a spouse or partner with a solid tumor cancer while also holding a job. The program teaches skills such as paced respiration, relaxation, and coping with work and caregiving demands across eight s…

This study tests a proprietary amino acid drink given twice daily for up to 4 days to older adults (60+) hospitalized with infections who have delirium. 20 participants get the drink, 20 get standard care, and 20 non-delirious controls are observed. The goal is to see if the drin…

Researchers test an 8-week online precision nursing education program for young colorectal cancer survivors. The program includes Qigong exercise and mindfulness training delivered through an e-flipped classroom model. The study measures changes in depression symptoms and mindful…

This study tests a program that combines pelvic floor physical therapy with coping skills training to help women who have had pelvic radiation for cancer. The goal is to improve sexual function and quality of life. The study involves 12 cancer survivors and focuses on whether the…

This study explores whether physical activity and fitness can reduce inflammation and improve quality of life in children aged 6 to 17 with Crohn's disease or ulcerative colitis. Researchers will track 100 participants over time and test a 12-week supervised exercise program. The…

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 looks at how dried figs affect blood sugar and insulin in adults with pre-diabetes. Five participants will eat figs or a calorie-matched control breakfast, and researchers will measure blood glucose, insulin, and fig polyphenol levels over 24 hours. The goal is to see …

This trial asks whether an opioid-free anesthesia method can control acute pain after laparoscopic colorectal surgery as well as or better than standard opioid-based anesthesia. Adults aged 18 to 90 scheduled for this surgery will be randomly assigned to receive either a combinat…

This study tests the DISCO app, designed to help cancer patients talk with their doctors about treatment costs. About 254 adults newly diagnosed with breast, prostate, lung, or colorectal cancer will use the app to become more confident in asking cost-related questions. The goal …

This trial tests whether plecanatide, a drug taken by mouth once a day, can safely improve bowel movements in children and adolescents aged 6 to 17 with functional constipation. Participants receive either low-dose plecanatide, high-dose plecanatide, or a placebo for 8 weeks. The…

This study compares two different footstool heights (7 inches vs. 9 inches) to see if using one during bowel movements can reduce straining and improve the feeling of complete emptying in people with pelvic floor dysfunction and chronic constipation. Participants use the footstoo…

This study tests whether a tailored exercise program and nutritional guidance can reduce peripheral neuropathy (nerve damage) and fatigue in people with colorectal cancer receiving chemotherapy. Participants follow a supervised exercise routine and monthly nutrition check-ins dur…

This trial tests whether removing the urinary catheter immediately after colorectal cancer surgery (before anesthesia wears off) is as safe and effective as removing it the next day. The goal is to lower the risk of urinary tract infections and help patients recover faster. About…

This trial tests whether watching an educational video before a surgical consultation helps colorectal cancer patients feel less anxious and more informed. About 100 adults scheduled for curative-intent colon or rectal surgery will be randomly assigned to either watch the video b…

This study tests a new functional drink made with chicory inulin, B-vitamins, and vitamin D to see if it can improve constipation and overall well-being in people with Parkinson's disease. About 56 participants will drink either the active supplement or a placebo twice daily for …

This study tests whether transanal irrigation (using water to flush the bowel) can improve quality of life and reduce bowel symptoms in 66 rectal cancer survivors who have low anterior resection syndrome (LARS). Participants learn the technique through an online platform with vir…

This study tests whether adding a single, non-invasive biofeedback session to home Kegel exercises can improve bowel control, reduce emotional distress, and enhance quality of life in people who have had rectal cancer surgery. About 66 participants will be randomly assigned to ei…

This study compares giving the drug infliximab over 30 minutes versus the standard 60 minutes in children with inflammatory bowel disease (IBD). The goal is to see if the shorter infusion causes just as few allergic reactions and improves patient and nurse satisfaction. Sixty chi…

This study planned to compare a mindfulness-based eating awareness program with the standard low-FODMAP diet for people with irritable bowel syndrome (IBS). The goal was to see which approach better improves IBS symptoms. However, the study was withdrawn before enrolling any part…

This study tests a personalized treatment plan for adults with moderate-to-severe IBS. Participants receive a combination of medical care, dietary guidance, psychological therapy, and physical therapy, chosen in an order that suits them. The goal is to reduce IBS symptoms by at l…

This study tests whether talking to an exercise specialist over the phone can help breast and colorectal cancer survivors become more active. Many people become less active after cancer treatment, and this program aims to change that. The trial includes 120 participants who recen…

This study tests whether adding two drugs (dexamethasone and dexmedetomidine) to a standard nerve block can extend pain relief after shoulder, foot, or ankle surgery. About 100 adults will be randomly assigned to get either the two-drug combo or dexamethasone alone. The goal is t…

This study looks at whether adding a palliative care team early, before surgery, helps cancer patients manage symptoms like pain, fatigue, and anxiety. About 236 adults having certain abdominal cancer surgeries will either get usual care or usual care plus palliative support. The…

This study tests a program called FACE-Rare, designed to support family caregivers of children with rare, life-limiting diseases. The program includes three sessions to help families prepare for future medical decisions and improve their quality of life. Researchers will compare …

This study tests whether personalized exercise coaching can reduce fatigue and improve quality of life in children with inflammatory bowel disease (IBD). Seventy children will be split into two groups based on their current exercise habits and will follow a 24-week program with a…

This study tests whether a personalized home exercise program can improve physical function and quality of life in people aged 75 and older with colorectal cancer who are having surgery. Participants receive weekly phone coaching on strength, balance, and breathing exercises from…

This study tested whether a procedure called extracorporeal photopheresis (ECP) could help people with melanoma or lung cancer who have severe diarrhea and colon inflammation from immunotherapy drugs. ECP involves taking blood, treating white blood cells with a light-activated dr…

This study compares two types of weight-loss surgery—sleeve gastrectomy alone versus sleeve gastrectomy with transit bipartition—to see which leads to fewer cases of dumping syndrome (nausea, diarrhea, dizziness after eating) and better quality of life. Researchers will follow 20…

This study looks at whether taking probiotics after sleeve gastrectomy (a type of weight-loss surgery) can reduce constipation and other stomach issues. About 200 adults with severe obesity will take either a probiotic blend or a placebo for three months after surgery. Researcher…

This study tests whether adding chlorophyllin, a natural plant extract, to standard chemoradiation can reduce side effects like diarrhea, bladder irritation, and low blood counts in people with locally advanced rectal cancer. About 76 adults will receive either chlorophyllin or a…

This study tests whether an extra meeting with a team of doctors, a palliative care specialist, and a psychologist can help patients with advanced cancer feel less torn about their next treatment. 62 adults with metastatic lung, breast, colon, ovarian, or prostate cancer who need…

Researchers are building a large bank of blood and stool samples from people with advanced lung, breast, colorectal, and pancreatic cancers, plus healthy volunteers. The goal is to learn whether the mix of bacteria in a person's gut can predict how well cancer treatment works and…

This study looks at tiny pieces of cancer cells or DNA floating in the blood of people with rectal cancer. Researchers want to see if these markers can help predict how the tumor responds to standard treatment. About 341 participants, including healthy volunteers, will provide bl…

Researchers are building a bank of blood, urine, and stool samples from 100 adults with non-small-cell lung or colorectal cancer who are receiving checkpoint inhibitor immunotherapy. Over 12 months, participants provide five samples of each type. The goal is to study how the body…

This study follows over 64,000 adults who grew up on farms to see if early exposure to pesticides and other agricultural factors is linked to cancer. Participants fill out an online questionnaire and may provide biological samples. Researchers will track their health over many ye…

This study looks at how Western habits—like drinking alcohol and eating late—might raise the risk of colorectal cancer. Twelve adults who have had colon polyps in the past will try four different weekly routines, including eating at normal times or late, with or without alcohol. …

This study is testing whether regular screening for prostate, lung, colorectal, and ovarian cancers can reduce deaths from these diseases. About 154,900 men and women aged 55-74 were randomly assigned to either get screened or receive usual care. Researchers are tracking cancer c…

This study looks at whether a website and a genetic family navigator can help more relatives of people with hereditary cancer get genetic testing. About 205 participants will use the online hub and work with a navigator to learn about their cancer risk. The goal is to see if this…

This study collects health information and test results from 317 people at high risk for pancreatic cancer, including those with cysts, genetic syndromes, or other risk factors. Researchers aim to build a database to find better ways to detect the disease early or prevent it. No …

Researchers at Cincinnati Children's Hospital are studying whether adding violet and blue wavelengths to the lighting in a neonatal intensive care unit changes how premature infants use the nutrition they receive. The study includes 32 infants born at 32 weeks or later who are ex…

This study aimed to evaluate how community cancer centers test for biomarkers in common solid cancers like breast, lung, and colorectal cancer. Researchers planned to survey pathology practices to see if they follow guidelines for key tests and how quickly results are reported. T…

Researchers at Boston Children's Hospital are studying how the immune system reacts after a single oral dose of gluten powder. The study includes people with celiac disease and healthy controls, all of whom follow a gluten-free diet before the test. By measuring blood levels of i…

This study tests a web-based education tool called HOPE-Genomics that teaches cancer patients about their genetic test results. About 465 adults with breast, colorectal, lung, ovarian, pancreatic, or prostate cancer are taking part. The goal is to see if the tool helps patients r…

This study tests an expanded web-based decision aid for people with cholangiocarcinoma, colorectal cancer, or multiple myeloma. Participants use the tool to choose which genomic results—such as cancer biomarkers or inherited risks—they want to receive. The goal is to see if the t…

This study enrolls 400 adolescents and young adults (ages 18-39) recently diagnosed with various cancers. Participants are randomly assigned to either choose which health-related questions they answer or receive a fixed set of questions. The goal is to see if giving patients a ch…

This study watches how force feedback instruments work during robot-assisted surgeries with the da Vinci 5 system. About 200 adults having hernia, colorectal, thoracic, gynecologic, or partial kidney removal surgery will take part. The goal is to see how these tools help surgeons…

This study compares breath gases and gut bacteria between children with functional constipation and healthy children. Researchers measure exhaled nitric oxide, hydrogen sulfide, hydrogen, and methane, and analyze stool samples for microbiome composition. The goal is to see if bre…

This registry follows 535 adults with moderate-to-severe ulcerative colitis who are taking or starting Simponi. Researchers will track serious side effects like infections, cancers, and pregnancy outcomes over time. The goal is to better understand the long-term safety of this me…

This pilot study is testing whether a simple blood test can detect tiny amounts of tumor DNA (ctDNA) in patients with early-stage colorectal cancer before and after surgery. The goal is to see if this test is practical and reliable for spotting any cancer cells left behind, which…

This study follows 300 adults with Crohn's disease who are starting standard treatments like vedolizumab or IL-23 blockers. Researchers will track how quickly patients feel improvements in pain, fatigue, and daily functioning using simple questionnaires. The goal is to better und…

This completed study examined 217 Hispanic people living with HIV in California, Mexico, and Puerto Rico to see if the types of bacteria in the anus are linked to high-risk HPV infection and pre-cancerous lesions. Researchers collected anal swabs and questionnaires to compare mic…

This study looks at whether taking extra random biopsies during a colonoscopy helps find precancerous growths in people with inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis. About 1,600 participants will be randomly assigned to one of two biopsy…

This study is creating a registry of 500 adults with functional GI disorders like IBS and chronic constipation. Researchers will collect medical data, diet and lifestyle questionnaires, and biological samples to explore genetic, microbial, and environmental factors. The goal is t…

This study is screening 115 underserved children and adults who are at risk for type 1 diabetes or celiac disease. Researchers will use blood tests to find early signs of these conditions, aiming to improve how we detect them. The goal is to catch these diseases sooner, especiall…

This study is testing whether a ketone supplement called beta-hydroxybutyrate (BHB) is safe and tolerable for people scheduled for a colonoscopy or flexible sigmoidoscopy as part of their standard care. Participants will take a drink containing R-1,3-butanediol three times daily …

This study watches how people with eosinophilic esophagitis (EoE) use the medicine Dupixent in everyday care. Researchers will collect information from about 350 patients to learn more about the disease and how treatment affects symptoms and quality of life. No new treatments are…

This pilot study tests whether daily, at-home stimulation of a nerve in the ear can change brain activity in people with inflammatory bowel disease (IBD) who are in remission. Fifteen adults with Crohn's disease or ulcerative colitis will use a small device for 28 days and underg…

This study tests whether a standard nutrition screening tool, called PYMS, can accurately identify children with Crohn's disease or ulcerative colitis who are at risk of malnutrition. Researchers will use the tool on 2,000 children aged 4–18 with IBD in outpatient and inpatient c…

This study tests two different drug combinations in people with advanced colorectal, pancreatic, or leiomyosarcoma cancers that have not responded to standard treatments. Participants receive either olaparib plus durvalumab or cediranib plus durvalumab. The main goal is to unders…

This study compares two strategies to increase colon and liver cancer screening among 30,300 veterans. One approach directly reaches out to veterans to schedule tests, while the other helps healthcare providers fix system issues. Researchers will track screening rates over 12 mon…

This study looks at people with eosinophilic esophagitis whose symptoms like trouble swallowing or chest pain continue even though their inflammation is under control. Researchers will use special tools to measure how stretchy the esophagus is and how it moves, and also consider …

This study follows people newly diagnosed with Crohn's disease for up to five years to see how the condition damages the bowel over time. Researchers will use imaging scans and other tests to track disease progression and understand how different treatments affect long-term outco…

This study is testing whether regular blood tests that look for tumor DNA (called liquid biopsy) can help doctors make better treatment decisions for people with advanced colorectal or lung cancer. About 332 participants will be randomly assigned to either receive standard imagin…

This study looks at how a tool called CDPATH can help predict the risk of serious complications in people with Crohn's disease within the next three years. About 200 adults with Crohn's will use the tool to learn their risk level (low, medium, or high) and discuss treatment optio…

This study is testing whether a simple stool test can predict if the gut lining is healing in people with moderate-to-severe ulcerative colitis who are starting biologic therapy for the first time. Researchers will measure levels of a protein called calprotectin in stool samples …

This study is testing whether a blood test that looks for tumor DNA (ctDNA) can help doctors choose the right amount of chemotherapy for people with stage III colorectal cancer. About 2,450 participants will be split into groups based on their ctDNA results: those with negative c…

This research study looks at how certain cancers (head and neck, esophagus, and anal canal) change at the genetic and immune level when patients receive chemotherapy or immunotherapy. About 39 people with advanced cancer will provide blood samples and tumor tissue over time. The …

This study looks at tumor samples from over 3,000 people with advanced cancers to find specific biomarkers—unique features of each cancer. The goal is to help doctors choose the most promising targeted therapy or clinical trial for each patient. Participants are adults with vario…

This registry tracks adults with metastatic colorectal cancer who are starting their first systemic therapy. Researchers will collect information on the treatments doctors choose, how well they work, and patients' quality of life. The goal is to understand what happens in everyda…

This study looks at how chronic noncommunicable diseases like inflammatory bowel disease and breast cancer impact a person's ability to work. Researchers will follow 200 working-age adults for 12 months, collecting data on health, work performance, and well-being. The goal is to …

This study looks at whether regular text message check-ins and the ability to text your IBD care team can improve disease management and quality of life. About 900 people with Crohn's disease or ulcerative colitis will take part. Some will get extra symptom surveys and texting ac…

This study looks at the genetic makeup of a rare stomach cancer called gastrointestinal stromal tumor (GIST) in patients whose tumors lack common mutations. Researchers will analyze tumor samples from 50 people in Taiwan to find other genetic changes that might be treatable. The …

This observational study collects extra tumor tissue from 416 people with various cancers (bladder, kidney, colorectal, head and neck, liver, lung, skin, endometrial) during routine biopsies. The goal is to develop and train a 'live tumor diagnostic platform' that can predict whe…

This study looks at whether two blood markers, zonulin and LBP, can help detect liver damage in people with both ulcerative colitis (UC) and fatty liver disease. Researchers will measure these markers and use a special ultrasound to check liver stiffness in 100 adults with UC who…

This study is testing a decision aid tool to help patients aged 45-75 choose the right colorectal cancer screening option. Researchers will see if the tool improves shared decision-making between patients and doctors. About 400 participants from two healthcare systems in Indiana …

This long-running study follows nearly 100,000 French women, mostly teachers, since 1990 to understand what factors influence their risk of cancer, heart disease, diabetes, and other major illnesses. Participants fill out questionnaires every few years about their lifestyle, medi…

This study was designed to see how accurately patients report their own medication and healthcare use in diaries compared to official health insurance records. It planned to include people with diabetes, arthritis, kidney disease, or prostate cancer. However, the study was withdr…

This study looks at 200 people with ongoing stomach discomfort (functional dyspepsia) to find out how often they have small intestinal bacterial overgrowth (SIBO). Researchers will compare two methods—growing bacteria in a lab and DNA testing—to identify which germs are present. …

This study looks at how diet, genetics, and gut bacteria work together to cause digestive problems like IBS, IBD, and celiac disease. Researchers will follow about 4,000 adults with and without these conditions to find patterns. The goal is to understand why some people get sick …

This study aimed to see if a blood test for cancer DNA (ctDNA) could help doctors decide which patients with stage 2 or 3 rectal cancer could safely avoid surgery and just be watched closely. It also looked at using the test to catch any cancer coming back early. However, the tri…

This study looks at how frailty—a state of weakness and reduced physical function—affects the risk of severe side effects from chemotherapy in people aged 70 and older with cancer. Researchers will assess 160 patients using various tests for frailty, muscle loss, and overall heal…

This study gathers information from 300 children with eosinophilic esophagitis (EoE), a chronic allergic condition that inflames the esophagus. Researchers aim to better understand what causes EoE, how it relates to other allergies, and which treatments work best. No new treatmen…

This study examines whether older adults with functional constipation are more likely to have a history of falls, reduced walking ability, and lower physical activity. Researchers will review medical records from 208 people aged 65 to 80. No new treatments or interventions are gi…

This study looks at how the drug infliximab behaves in the body of people hospitalized with severe ulcerative colitis. Researchers measure drug levels in blood, stool, and colon tissue, along with changes in proteins and genes. The goal is to better understand how the drug works,…

This study looks at whether telling people over 45 their genetic risk for colorectal cancer helps them decide to get their first colonoscopy. Researchers will track how many people schedule a colonoscopy after learning their risk, and compare findings like polyps between risk gro…

This study tests a new way of organizing care for people aged 70 and older who have cancer (breast, lung, colorectal, or prostate) plus at least one other serious health condition. The GERONTE program brings all their doctors and nurses together using a shared digital care plan. …

This study screens adults interested in fecal microbiota transplant (FMT) for Clostridium difficile infection. Researchers will collect medical information and run basic health tests to create a database of potential participants. The goal is to make it faster and easier to enrol…

This study looks at how diet affects inflammation in people with Crohn's disease or ulcerative colitis (IBD). About 140 participants will either follow a Nordic-based test diet for six weeks or use a digital information tool. Researchers want to see if these approaches can reduce…

This study was designed to see if giving a carbohydrate drink before bariatric surgery helps control blood sugar after the operation, compared to the standard fasting approach. It planned to enroll patients with high blood sugar who were scheduled for weight-loss surgery. However…

This study looks at whether diabetes or blood sugar problems can worsen thinking and memory issues in people with myotonic dystrophy type 1. Researchers will use MRI brain scans and thinking tests over 4 years to track changes. The goal is to understand why some patients have mor…

This study looks at 200 people with known or suspected inflammatory bowel disease (IBD). Researchers will use computers to analyze standard medical images and videos from endoscopies, biopsies, and scans. The goal is to create automated metrics that might help doctors assess IBD …

This study is a long-term follow-up for 400 people who previously received A2 Bio gene therapy for various solid tumors, including colorectal, lung, pancreatic, and ovarian cancers. No new treatment is given; instead, researchers will track participants over time to check for del…

This study compares two surgical techniques—laparoscopic (keyhole) and open surgery—for treating a rare cancer near the pancreas called nonpancreatic periampullary adenocarcinoma. Researchers will track how long patients stay in the hospital after surgery, as well as survival rat…

This study observes how 4,000 adults with ulcerative colitis are treated in real-world clinics, not in a controlled trial. Researchers will analyze prescription patterns and outcomes to create an updated treatment flowchart. The goal is to improve understanding of which therapies…

This study looks at survival rates for people with cancers like melanoma, breast, colon, and lung cancer using data from Russian cancer registries. It includes 100,000 people of any age. The goal is to understand survival trends to help improve cancer care, not to test a new trea…

This study compares open D3 surgery with laparoscopic CME surgery for right-sided colon cancer in 128 patients. The goal is to see if laparoscopic surgery leads to less pain, fewer complications, and faster recovery, while still being as effective at removing cancer. Researchers …

This study follows 72 women with pelvic cancers (anal, cervical, endometrial, rectal, vaginal, or vulvar) who are receiving radiation therapy. Researchers will use pelvic exams and surveys to measure changes in vaginal health, sexual function, and quality of life over two years. …

This study looks back at the experiences of 37 people with colorectal cancer treated at a single hospital. Researchers are tracking how long patients survive after diagnosis. No new treatments are being tested; the goal is to learn from real-world outcomes.

This study looks at 64 patients with colorectal cancer that spread to the liver and was surgically removed. Researchers are analyzing tumor samples to see how different immune cells and growth patterns relate to survival and cancer recurrence. The goal is to better understand why…

This pilot study compares the effects of daily erythritol (a sugar substitute) versus regular sugar on insulin resistance and blood clotting in 30 healthy adolescents aged 14-18. Participants consume either erythritol or sucrose for 5 weeks, and researchers measure changes in glu…

This study looks at how quickly risankizumab (Skyrizi) heals deep intestinal damage in people with Crohn's disease. Instead of repeated colonoscopies, researchers use intestinal ultrasound to track healing at 4 and 12 weeks. The goal is to find a simpler, more comfortable way to …

This study looks at how well a stoma works and how it affects quality of life in people with colorectal cancer. Researchers will compare those who had a stoma created as an emergency procedure with those who had it planned ahead of time. About 700 participants will answer a quest…

This study is collecting saliva, stool, blood, bile, and tumor samples from 200 people undergoing surgery for pancreatic or related cancers. Researchers want to see if the types of bacteria in these samples can help predict who will have complications after surgery and how the ca…

This study enrolls 4,000 people with breast, ovarian, or colorectal cancer to test a comprehensive genetic panel. The panel looks for inherited cancer risks and tumor mutations that may affect drug sensitivity. Researchers aim to validate these genetic findings to potentially gui…

This study tests a new monitoring method for patients who have had pancreatic surgery. After surgery, a thin probe is placed near the surgical connection to measure chemicals that may signal a leak before symptoms appear. Half of the 201 participants will receive this monitoring …

This study was designed to see if adding the amino acid isoleucine to a healthy, low-isoleucine diet would change how the body responds to insulin in people with obesity and prediabetes. It planned to enroll adults with a BMI of 30 or higher who also had metabolic syndrome. The s…

This study looks at whether a quick, 8-item screening tool called G8 can help predict survival and severe side effects from treatment in elderly patients (70 years and older) with metastatic colorectal cancer. The goal is to find a simple way to identify which older patients are …

This study looks at 400 adults with a small bowel blockage in the emergency department. It checks if placing a tube through the nose into the stomach actually helps with pain and recovery. The study also examines how frailty affects outcomes in older patients.

This study looks at how to improve colorectal cancer screening in rural clinics in Indiana. Clinics will mail FIT kits, send reminders, and use patient navigators to help people aged 45-75 get screened. The goal is to see which strategies work best to increase screening rates and…

This study looks at whether a detailed blood test can help doctors see how well treatment is working and predict if cancer will come back in people with colorectal cancer that has spread to the liver or lungs (up to 5 spots). The test checks for tumor DNA, RNA, proteins, and othe…

This study follows 200 premature babies who had a serious gut infection called necrotizing enterocolitis (NEC) to see how it affects their nutrition and growth by age 5. Researchers will check for problems like food allergies, poor growth, feeding difficulties, and other digestiv…

This study collects tumor tissue, blood, and saliva from 2500 people with various solid cancers to analyze their genetic makeup. The goal is to understand why some tumors become resistant to targeted therapies. Samples may also be grown in special mice to study how genetics affec…

This study aims to better understand what causes inflammatory bowel disease (IBD), graft-versus-host disease (GVHD), and other gut problems by analyzing blood and tissue samples from 1,000 patients. Researchers will use advanced lab techniques to track immune system changes over …

This 5-year observational study is following 15,000 adults and children with inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis, in real-world clinics. Researchers are collecting data on disease patterns, treatment use, and patient outcomes to bett…

This study aimed to see if two advanced imaging modes, TXI and RDI, built into standard colonoscopy equipment, could make removing large colon polyps faster and safer. The trial was planned for adults with polyps 20 mm or larger, but it was withdrawn before any participants were …

This study is a national registry collecting data from 1500 people with familial adenomatous polyposis (FAP) and related conditions across 28 Italian centers. It aims to better understand how these diseases progress, how they are currently managed, and what factors influence outc…

This observational study looks back at 700 patients from 15 hospitals in 2 countries to compare local treatments like surgery and radiation for brain metastases that spread from colorectal cancer. Researchers will track how long patients live and how long it takes for brain tumor…

This registry collects information from 2000 people who have had pancreatic surgery for benign or malignant tumors. Researchers track complications and long-term results to understand what works best. The goal is to improve quality of care and support future research.

This study looks at how lactose intolerance affects the gut's barrier and inflammation in 200 adults with IBS-like symptoms. Researchers will measure markers in stool samples to see if they relate to symptom severity. The goal is to better understand the link between lactose into…

This study follows 189 adults hospitalized with acute severe ulcerative colitis to track their treatments and outcomes. Researchers will collect detailed medical data to identify factors that predict whether a patient needs stronger medications or emergency surgery. The goal is t…

This study aimed to create a web-based decision aid for people invited to cancer screening in Sweden. The tool would provide clear information about the benefits and harms of screening, helping individuals decide based on knowledge rather than fear. The study was withdrawn before…

This study looks at how focused ultrasound (sound waves) aimed at the cerebellum changes brain activity and thinking in 20 healthy adults aged 18 to 40. Participants do thinking tasks after real or fake ultrasound. The goal is to learn how the cerebellum affects brain function, n…

This study looks at a procedure called remote ischemic conditioning (RIC) for newborns with necrotizing enterocolitis (NEC), a serious gut disease. RIC involves briefly inflating a blood pressure cuff on the baby's arm to protect the gut from damage. The main goal is to see if a …

This trial tests a dye mixture called Luminomark, which is injected into the colon wall near a tumor during a colonoscopy. The dye glows under a special camera during surgery, helping surgeons see exactly where to cut. The study involves 30 adults with early-stage colorectal canc…

This study follows over 96,000 Seventh-day Adventists in the U.S. and Canada to see how diet and lifestyle choices relate to breast, colorectal, and prostate cancer. Researchers are focusing on intakes of meat, soy, and dairy. Because it is observational, it can show patterns but…

This study looks at 266 adults with advanced rectal cancer who had radiation therapy followed by surgery. It compares standard chemoradiotherapy or short-course radiotherapy with a newer approach called total neoadjuvant treatment (TNT). The goal is to see which method leads to f…

This study interviews 20 people aged 16-25 who have had bladder or urinary problems since childhood and are now moving from pediatric to adult care. Researchers want to learn about their experiences, challenges, and opinions to make this transition smoother for others. No treatme…

This study aims to find genes that cause inflammatory bowel disease (IBD) specifically in African Americans. Researchers will collect health information and blood samples from 2,400 African Americans, both with and without IBD. No treatment is given—the goal is to better understa…

This study explores whether chronic constipation is related to disorders of the sacroiliac joint, which is located in the pelvis. Researchers are testing 200 people with long-term constipation using electrotherapy and cupping to see if improving bowel function also affects joint …

This study is testing a blood test that looks for tiny bits of cancer DNA in the blood after colorectal cancer surgery. The goal is to see if this test can predict whether the cancer will return. Over 1,000 people with stage II or III colorectal cancer will be followed for up to …

This study observes 562 adults with inflammatory bowel disease (Crohn's disease or ulcerative colitis) who are starting or switching to Hyrimoz®, a biosimilar of adalimumab. Researchers will track how many patients continue the treatment after 6 months and why some stop, such as …

This observational study plans to enroll 120,000 people with various chronic diseases like pancreatitis, diabetes, and arthritis. Researchers will collect blood samples and health data to study how genetics and lifestyle affect disease progression. The goal is to find common dise…

This study tests a program called Potlako+ that combines community education, support for healthcare providers, and patient navigation to help people with cancer symptoms get diagnosed and treated faster. About 874 participants in Botswana will be split into two groups: one recei…

This study looks at whether genetic differences in digesting carbohydrates cause Irritable Bowel Syndrome (IBS) symptoms like belly pain and bloating. Researchers will compare 2000 people with IBS to healthy controls to find how common these gene variants are. The goal is to bett…

This study looks at two different surgeries for a rare colon cancer located at the splenic flexure. About 140 patients will be split into two groups: one getting a smaller surgery (removing only the tumor section) and the other a larger surgery (removing more colon and lymph node…

This study looks at two new models of follow-up care for people who have finished treatment for early-stage breast or colorectal cancer. The goal is to see if these models help survivors get the recommended cancer surveillance and preventive care. About 2450 adults from Kaiser Pe…

This study looks back at over 2,400 people diagnosed with acute mesenteric ischemia (a sudden blockage of blood flow to the intestine) in a region of Sweden between 2000 and 2023. Researchers want to understand how often it occurs, how treatments and survival have changed over ti…

This study brings together cancer experts to agree on standard definitions for key measurements used in cancer clinical trials, such as how long patients live without their cancer getting worse. Currently, different trials define these measurements in different ways, making it ha…

Short bowel syndrome is a rare condition where the bowel is too short to absorb enough nutrients. This study gives green bean puree to 60 adults with and without the condition to see if they can tolerate fiber. Researchers will track symptoms, weight, and changes in gut bacteria …

This study is checking how many people with suspected hemorrhagic proctosigmoiditis (a type of bowel inflammation) actually have a sexually transmitted infection (STI) like chlamydia or gonorrhea. Researchers will take a swab during a routine colonoscopy from 214 patients across …

This study compares a new, faster MRI technique (diffusion-weighted) to the standard MRI for monitoring Crohn's disease. The new method does not require a contrast injection or bowel cleansing, which patients often dislike. Researchers will check if the new scan is just as good a…

This study looks at 100 adults with colon obstruction caused by cancer. It compares emergency surgery with a stent (a tube to open the blockage) to see which leads to better recovery and long-term survival. The goal is to find the best approach for this urgent condition.

This study follows 600 adults who had surgery for anal fistula, a painful infected tunnel near the anus. Researchers want to see how many are fully healed after 2 years and whether the surgery causes any loss of bowel control. The goal is to learn which surgical methods work best…

The IMPACT Study is testing two online tools—GeneSHARE and LivingLabReport—to help people with inherited cancer gene variants share their results with family members and follow cancer screening guidelines. The study involves 720 adults who have a genetic variant linked to cancers…

This study is collecting health information from 2,000 people with Crohn's disease or ulcerative colitis across three hospitals in South Korea. Researchers aim to build computer models that can predict how each patient will respond to different treatments. No new drugs are being …

This study follows 300 adults with diabetes, prediabetes, or overweight who fast for at least five days at a clinic. Researchers track changes in weight, blood sugar, and well-being during the fast and for three months after, using questionnaires, continuous glucose monitors, and…

This study follows 100 children with Crohn's disease to track their symptoms, treatments, and outcomes in everyday medical care. Researchers will look at how different therapies—like special diets, medications, or fecal transplants—affect disease activity over 14 to 54 weeks. The…