Clinical trials
Gastrointestinal Health clinical trials
Below are recruiting gastrointestinal health clinical trials, each written for real people, not researchers. We’re tracking 43 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07388264Recruiting
Probiotic for bloating and gut health
This study tests a probiotic (a good bacteria) called Weizmannia coagulans to see if it helps reduce bloating and improves gut health. Researchers will check how your digestion changes by looking at your stool and gut bacteria.
Saint Charles, MissouriAges 18–50 - NCT07355634Recruiting
Terraflora daily care for gut health
This trial tests if a daily probiotic supplement, Terraflora, can improve gut health in people with an imbalance of gut bacteria (dysbiosis). You may join if you're an adult with a stool test showing dysbiosis and are not taking certain other medications or supplements.
Richmond, VirginiaAges 25 years+ - NCT05465629Recruiting
Viome nutrition program for IBS symptoms
This trial studies whether a Viome nutrition program (based on supplement/formulation instructions) can improve symptoms in people with IBS. You may be asked to follow a specific nutrition plan and tracking steps for the study period.
Bothell, WashingtonAges 25–75 - NCT05984589Recruiting
Health coaching for colorectal cancer survivors
This study tests a personalized health coaching program for people who have had colorectal or other gastrointestinal cancer. It helps you work on lifestyle habits like diet, exercise, and alcohol use to improve your health.
Los Angeles, CaliforniaAges 18 years+ - NCT07421596Recruiting
Dietary supplement study for gut and digestive health
This trial tests whether a dietary supplement system can improve gut and digestive health over 8 weeks. You may be eligible if you have digestive symptoms like bloating, stomach pain, or diarrhea.
San Francisco, CaliforniaAges 18–80 - NCT05115877Enrolling by invitation
Looking back at treatment outcomes for stomach or gut diseases
This study looks at past care for adults who had non-cancer or cancer of the gastrointestinal (stomach and intestines) tract and compares treatment outcomes. It may help improve how doctors manage these conditions in the future.
Richardson, TexasAges 18 years+ - NCT06870331Recruiting
Probiotics for stomach health after spinal cord injury
This study tests if taking probiotics and prebiotics can help with digestion, gas, constipation, and other stomach issues in people with long-term spinal cord injury.
Nottwil, Canton of LucerneAges 18 years+ - NCT07618273Recruiting
Smart phone app for tracking stomach and digestive health
This study tests a smartphone app called ALEX that helps you track digestive symptoms like bloating, stomach pain, or changes in bowel habits over four weeks. Researchers want to see if the app makes it easier to notice patterns in your symptoms and understand your gut health better.
Jacksonville, FloridaAges 18–44 - NCT07724522Recruiting
Prebiotic Fiber for Irregular Periods in Women
This study tests whether taking a prebiotic fiber (inulin) can help women who are in the later years of their reproductive life (before menopause) and have irregular periods. You may be eligible if you are overweight, have irregular cycles, sit a lot, and do not exercise much.
Washington D.C., District of ColumbiaAges 40–55 - NCT06830304Enrolling by invitation
Boosting gastrointestinal cancer screening for high-risk adults
This study tests a new way to encourage people at high risk for gastrointestinal cancer to get screened. It compares different methods to see which works best, helping catch cancer early when it's easier to treat.
Chongqing, Chongqing MunicipalityAges 45–74 - NCT07586111Recruiting
Plant Foods for Better Gut and Heart Health
This study tests whether eating more plant-based foods improves your gut bacteria, digestion, and heart health markers. You'll follow a structured diet plan for several weeks while providing blood, stool, and urine samples to measure changes.
LondonAges 30–70 - NCT07653776Recruiting
Study of wellness products for gut health
This study tests whether certain daily wellness products can improve gut-related quality of life. If you have room to feel better and are willing to take a product without knowing if it's active or a placebo, you may be able to join.
Del Mar, CaliforniaAges 21–105 - NCT05196087Recruiting
AI system to monitor cancer treatment progress
This trial tests a non-invasive, AI-based monitoring program for people with solid tumors. It aims to help track how you’re doing during or after curative-intent treatment, using information collected without extra procedures.
Toronto, OntarioAges 18 years+ - NCT06144905Recruiting
Norwegian Gut Bacteria Study in Anorexia Nervosa
This study looks at gut bacteria in women with anorexia nervosa compared to healthy women. It aims to understand how gut health relates to the condition and recovery.
Ås, ÅsAges 16–50 - NCT06340620Recruiting
Comparing a new ultrasound tool to the standard scope
This study compares a new, possibly easier-to-use ultrasound tool (EndoSound Vision System) to the standard echoendoscope for looking at organs like the pancreas, bile duct, or lymph nodes. If you are already scheduled for an endoscopic ultrasound, you may be able to join.
Orlando, FloridaAges 18–100 - NCT03602092Recruiting
GIST patient registry to improve real-world care
This observational study keeps a registry of people diagnosed with gastrointestinal stromal tumor (GIST) to collect real-life information over time. It may help doctors better understand outcomes and care patterns for future patients.
TaipeiAges 20 years+ - NCT00227253Recruiting
Study center for people with Chromosome 18
This trial is for people with Chromosome 18 (or the parent/guardian of a child with it) to take part in medical checkups and study evaluations. It may help researchers learn more about the condition and how to best evaluate patients safely.
San Antonio, TexasAges Any age - NCT05233631Enrolling by invitation
Registry for people who had endoscopic ultrasound
This trial is a registry that collects information from people who undergo a procedure called endoscopic ultrasound (also known as EUS) at the study center. It helps doctors understand what care is used and what outcomes happen over time.
Dallas, TexasAges 18 years+ - NCT06065371RecruitingPhase 1
Sacituzumab govitecan plus capecitabine for advanced GI cancers
This trial tests a combination of two drugs—sacituzumab govitecan (targeted therapy) and capecitabine (chemotherapy)—for people with advanced stomach, colon, or pancreatic cancer that has stopped responding to standard treatments.
Detroit, MichiganAges 18 years+ - NCT04629677Recruiting
Portal vein stent for narrowed portal blood vessels
This trial looks at whether placing a small metal stent in the portal vein and nearby veins can improve problems caused by major narrowing (or clotting) of these vessels in people with gastrointestinal cancers. If you have significant vessel narrowing, the study may offer a targeted way to relieve pressure and symptoms that are not caused by the tumor directly.
Houston, TexasAges 18 years+ - NCT03848962Recruiting
Share leftover or collected samples for research
This study helps collect and share human samples (like blood or other specimens) so researchers can do new studies. It’s mainly about providing samples for research use, not testing a treatment on you.
Huntsville, AlabamaAges 1 month–89 years - NCT04646083Recruiting
Tests how far a scope can insert in the small bowel
This trial looks at how deeply doctors can safely insert a camera scope into the ileum (a part of the small intestine) during a procedure called retrograde enteroscopy. It may help improve how the exam is done for people whose small-bowel problem wasn’t fully found by usual tests.
El Paso, TexasAges 18–90 - NCT06908629Recruiting
Helping Detroit cancer survivors with social needs
This study looks at how social needs (like finding enough food) affect cancer survivors in the Detroit area. If you join, researchers will work to connect you with resources that might help.
Detroit, MichiganAges 18 years+ - NCT06190730Recruiting
Remote symptom collection for better recovery after surgery
This trial uses a phone or computer app to track your symptoms after gastrointestinal tumor surgery. It aims to improve your recovery by keeping your care team informed remotely.
Baltimore, MarylandAges 18 years+
Hear when a new Gastrointestinal Health trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for gastrointestinal health?
- Yes. Clin2 currently lists 43 recruiting gastrointestinal health studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a gastrointestinal health trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a gastrointestinal health trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.