Clinical trials
Colonoscopy clinical trials
Below are recruiting colonoscopy clinical trials, each written for real people, not researchers. We’re tracking 122 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06453720Recruiting
Predicting Crohn's treatment success with gut bacteria
This study analyzes your gut bacteria to see if it can predict how well you will respond to Crohn's disease treatments. If you are having a colonoscopy for routine care, you may be eligible.
Vancouver, British ColumbiaAges 19–80 - NCT06494826Recruiting
Study of gut bacteria and proteins in new Crohn's disease patients
This study looks at proteins from your body and gut bacteria to understand Crohn's disease better. You may join if you are about to have your first colonoscopy for suspected Crohn's and have not had any treatment yet.
AfulaAges 18 years+ - NCT06505304Recruiting
AI endoscopy to predict Crohn's return after surgery
This trial uses artificial intelligence during colonoscopy to predict if Crohn's disease will come back after surgery. It aims to improve early detection and guide treatment decisions.
LeuvenAges 18–75 - NCT06560671Recruiting
App vs. paper for colonoscopy prep education
This study compares a new smartphone app to standard paper instructions for helping patients get their bowel ready for colonoscopy. It aims to see which method is easier to understand and leads to a better exam.
HsinchuAges 18 years+ - NCT06568016Recruiting
Helping patients get colonoscopy after abnormal stool test
This study tests a new clinic program to help patients complete a colonoscopy if they received an abnormal result from a fecal immunochemical test (FIT), a simple stool test for colon cancer. It focuses on community health centers and aims to make follow-up care easier.
Los Angeles, CaliforniaAges Any age - NCT06612281RecruitingPhase 2
Testing a new screening tool for colorectal cancer in people with negative FIT results
This trial tests a new device called Gixam to see if it can help find colorectal cancer in people who recently had a normal FIT test (a stool test for blood). You may be able to join if you are between 45 and 85 years old and are already scheduled for a routine screening colonoscopy.
Portland, OregonAges 45–85 - NCT06709209Recruiting
AI tool for grading colitis during colonoscopy
This study uses a special AI system that analyzes images from a colonoscopy to help doctors better understand how active your ulcerative colitis is and predict how it might progress. If you are scheduled for a routine colonoscopy, this AI tool may help your doctor make more precise treatment decisions.
LeuvenAges 18–75 - NCT06788444Recruiting
Esketamine for irritable bowel syndrome with anxiety or depression
This study tests if esketamine, a fast-acting medication, can help people with irritable bowel syndrome who also have anxiety or depression. It is given during a colonoscopy to see if it reduces your IBS symptoms.
Beijing, Beijing MunicipalityAges 18–60 - NCT06827366Recruiting
Lifestyle study for people at high risk of colorectal cancer
This study tests a lifestyle program for people who are at high risk for colorectal cancer but have not been diagnosed. The goal is to see if healthy changes can help lower your risk over one year.
Lyon, FranceAges 35–74 - NCT06887244Recruiting
Nurse phone support before colonoscopy
This trial studies whether a nurse phone call before an elective colonoscopy can improve the procedure experience, reduce anxiety, and lower financial stress.
NaplesAges 18–80 - NCT06920680Recruiting
A registry for colonoscopy reports and videos
This study is a registry that collects information and videos from colonoscopy procedures. It helps doctors learn more about these tests and improve care for patients like you.
Stuttgart, Baden-WurttembergAges 18 years+ - NCT06938295Recruiting
Comparing two types of ultrasound for inflammatory bowel disease
This study tests if a standard ultrasound is as good as a high-end one at seeing inflammation in the gut. It could help people with IBD avoid more invasive procedures.
Hyderabad, TelanganaAges 18–75 - NCT07002801Recruiting
Remimazolam and Esketamine for Older Adults Having Painless Stomach and Colon Scope
This trial tests a combination of two sedative medicines (Remimazolam and Esketamine) for elderly patients having a painless stomach and colon exam. The goal is to see if this combination is safe and effective for older adults.
Harbin, HeilongjiangAges 65 years+ - NCT07052799RecruitingPhase 3
Should you pause aspirin before a colonoscopy?
This trial compares stopping aspirin versus continuing it before a colonoscopy in people who take aspirin to prevent heart problems. The goal is to find out which approach is safer and works best.
Hong KongAges 18 years+ - NCT07090291Recruiting
China colorectal cancer screening trial for adults 45–74
This trial is testing a new way to screen for colorectal cancer in adults aged 45 to 74. If you join, you will help researchers find better methods for early detection.
GuandongAges 45–74 - NCT07140679RecruitingPhase 2
Immunotherapy after surgery for certain colon cancers
This trial tests whether the immunotherapy drug toripalimab can lower the risk of colon cancer coming back after surgery. It is for people with a specific genetic feature called mismatch repair deficiency (dMMR) in their tumor, and whose cancer was at a higher stage (stage IIB, IIC, or III).
Atlanta, GeorgiaAges 18 years+ - NCT07165470Recruiting
Pre-packaged low-residue diet for IBD colonoscopy prep
This study tests whether a ready-to-eat low-residue diet (a diet that leaves very little waste in your colon) helps people with IBD prepare for a colonoscopy. It may make the prep easier and more effective than standard bowel-cleansing drinks.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT07353632Recruiting
What affects re-participation in Danish colorectal screening
This study looks at why some people come back for a second round of the Danish bowel cancer screening program after their first colonoscopy. It aims to learn what factors influence their decision to participate again.
AabenraaAges 50–75 - NCT07381374Recruiting
Fecal transplant for children with autism
This trial tests whether fecal microbiota transplantation can help children with moderate-to-severe autism. It involves giving healthy donor bacteria to improve gut health and possibly autism symptoms.
Shenzhen, GuangdongAges 3–16 - NCT07431983Recruiting
IBUS vs colonoscopy and enterography for UC and CD
This study compares a newer, possibly greener imaging method (IBUS) with standard colonoscopy and enterography for people with ulcerative colitis (UC) or Crohn's disease (CD). The goal is to see if IBUS is as helpful and produces less waste or carbon emissions.
Hyderabad, TelanganaAges 18–80 - NCT07454993Recruiting
Music during colonoscopy study
This trial tests whether listening to music during a colonoscopy can make the procedure more comfortable. If you are having a routine colonoscopy without deep sedation, you may be able to join.
Esbjerg, Region SydAges 18 years+ - NCT07503847Enrolling by invitation
Colorectal Cancer Screening for Ages 40-49 with Family History
This trial helps people aged 40-49 who have a parent, sibling, or child with colorectal cancer decide on the best way to get screened. It aims to find the most effective screening method for those at higher risk.
TaipeiAges 40–49 - NCT06985277Enrolling by invitation
Urgent endoscopy for maroon or bloody stools
This trial tests if a quick endoscopic exam of the upper digestive tract helps people who come to the hospital with maroon-colored or bloody stools. It may find the source of bleeding and guide treatment.
Bangkok, BangkokAges 18 years+ - NCT06841991Enrolling by invitation
Teach-Back Method for Colonoscopy Education
This study tests a teaching method called 'teach-back' to help people better understand colonoscopy instructions. If you are having a colonoscopy, this approach may help you feel more prepared.
Mersin, TarsusAges 18 years+
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Common questions
- Are there clinical trials for colonoscopy?
- Yes. Clin2 currently lists 122 recruiting colonoscopy 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 colonoscopy 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 colonoscopy 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.