Irritable Bowel Syndrome 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:
- You have been diagnosed with Irritable Bowel Syndrome (IBS) using a specific set of diagnostic guidelines called ROME V criteria
- Your IBS symptoms are rated at a certain level of severity (a score of 75 or above on a standard IBS symptom scale — confirm with trial site)
- You are 18 years of age or older
- Your Body Mass Index (BMI) falls between 18.5 and 35 (a measure of weight relative to height)
- You are able to read and understand the study information and are willing to follow the study's rules and schedule
- You are able to give your formal agreement to take part in the study
- You are able to complete questionnaires written in Swedish
Who may not be able to join:
- You have a history of any gut conditions (such as coeliac disease), or heart, liver, neurological, or current mental health conditions, diabetes, or have had abdominal surgery that affects how your bowel works (though some surgeries like gallbladder removal, appendix removal, or caesarean section are not excluded)
- You have used opioid-based pain medications in the month before the study or plan to use them during the study
- You have taken probiotic supplements in the 14 days before joining or plan to take them during the study (eating foods that naturally contain probiotics is allowed)
- You have taken antibiotics in the 3 months before the study or plan to during the study
- You have recently started any new medications that affect your gut or digestive symptoms, or have started a new diet or psychological therapy to treat your IBS within the last month
- You have taken part in any other medical research study in the last month
- Your lab test results show certain abnormal levels, particularly relating to a stool marker called calprotectin (confirm with trial site for exact thresholds)
- You are currently pregnant, planning to become pregnant during the study, or are breastfeeding
- You drink more than 14 units of alcohol per week
- You have used recreational drugs in the month before the study or plan to during the study
- You have used medications that mainly affect bowel function, stool consistency, or how quickly food moves through your gut in the 2 weeks before the study or during the 12-week study period
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: Magnus Simren, MD PHD, Göteborg University
Phone: 0046313428107
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
IBS symptom severity (IBS-Symptom-Severity-Score)
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.