Phase 2 Crohn's Disease and Colitis Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
Healthy volunteers may be considered if they:
- Are aged 18 or older but under 50 years old
- Have a body mass index (BMI) between 17 and 25 kg/m² (a measure of body weight relative to height)
- Are a woman of childbearing age using an effective form of contraception (such as hormonal methods, an intrauterine device, a procedure to block the fallopian tubes, or complete abstinence from heterosexual intercourse) for at least the treatment period of the study
- Have regular bowel movements — at least one stool every two days and no more than three stools per day
- Have health insurance coverage (excluding AME)
- Are willing and able to provide written informed consent
People with Inflammatory Bowel Disease (IBD) — a condition causing long-term inflammation in the digestive system — may be considered if they:
- Are aged 18 or older but under 50 years old
- Have a confirmed diagnosis of Crohn's disease (not limited only to the upper digestive tract) or ulcerative colitis (not limited only to the rectum) for at least 6 months, based on recognised medical criteria
- Have been in remission (their condition has been stable and not actively flaring) for at least 6 months, without the use of steroid medications, and confirmed by specific disease activity scores (confirm with trial site)
- Have a BMI between 17 and 25 kg/m²
- Are a woman of childbearing age using a highly effective form of contraception, such as oral contraception, an intrauterine device, a hormonal device, sterilisation, or another method with a failure rate of less than 1%
- Have regular bowel movements — at least one stool every two days and no more than three stools per day
- Have health insurance coverage (excluding AME)
- Are willing and able to provide written informed consent
Who may not be able to join:
Healthy volunteers may not be eligible if they:
- Have a significant long-term illness, particularly a chronic digestive condition, type 1 or type 2 diabetes, or a kidney problem
- Are currently taking any long-term treatment for a medical condition
- Are pregnant or breastfeeding
- Have donated blood in the three months before the study starts
- Have taken antibiotic or antifungal medication by mouth in the three months before the first study visit
- Have taken probiotic supplements in the month before the first study visit
- Have followed a low-calorie diet or any other special diet (vegetarian diets are acceptable) in the month before the first study visit
- Have had any abdominal surgery in the past (except removal of the appendix)
- Have a known allergy to the antibiotics or antifungal medications used in this study, or to any of their ingredients
- Have medical reasons that prevent them from receiving a medication called gentamicin (confirm with trial site)
- Are currently taking part in any other interventional clinical trial
- Are under legal protection orders (confirm with trial site)
- Have abnormal blood test results at the screening visit, including problems with electrolytes, kidney markers, liver enzymes, thyroid hormone, or blood cell counts
- Have had an infection requiring antibiotic treatment after the screening visit
- Develop severe diarrhoea (seven or more extra stools per day above their normal level)
People with IBD may not be eligible if they:
- Are pregnant or breastfeeding
- Have donated blood in the three months before the study starts
- Have taken antibiotic or antifungal medication by mouth in the three months before the first study visit
- Have taken probiotic supplements in the month before the first study visit, or during the study
- Have had more than 50 cm of the small intestine (ileum) surgically removed, or have had their colon removed
- Have Crohn's disease that affects only the upper digestive tract (such as the oesophagus, stomach, or upper small intestine)
- Have ulcerative colitis that affects only the rectum
- Currently have a stoma (an opening in the abdomen to collect waste), have had one in the past six months, or have had any other abdominal surgery within the three months before joining
- Are currently taking part in any other interventional clinical trial
- Are under legal protection orders (confirm with trial site)
- Have had an infection requiring antibiotic treatment after the screening visit
- Experience a flare-up of their IBD during the study
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Harry SOKOL, PU-PH, Assistance Publique - Hôpitaux de Paris
Phone: 00 33 1 49 28 31 62
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Evaluate the impact of the gut microbiota, and of its alteration in inflammatory bowel disease, on peripheral immune cells energy metabolism
Can't join this trial?
Data last synced from ClinicalTrials.gov: 22 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.