Clinical trial Recruiting at 1 site Interventional Ages 18 to 70

Pregabalin for irritable bowel syndrome in adults

Official title: Efficacy and Safety of Pregabalin in Patients With Irritable Bowel Syndrome : A Multi-center Prospective Randomized Open Blinded End-point Trial

Run by Beijing Tiantan Hospital · NCT07635394 · Data updated 2026-11-12

A clinician-led study will test whether pregabalin helps adults with irritable bowel syndrome who meet specific symptom criteria.

Quick facts

Study typeInterventional
Ages18 Years to 70 Years
SexAll
Enrollment258 (estimated)
SponsorBeijing Tiantan Hospital
Academic / other
Locations1 site (Beijing, Beijing Municipality)
StatusRecruiting
StartedApril 7, 2026
Main results expectedApril 8, 2026
Study endsMarch 31, 2029
Registry record updatedJune 25, 2026
Trial IDNCT07635394 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18–70 with IBS meeting Rome IV criteria and mild to moderate symptoms per IBS-SSS, without major comorbidities or pregabalin exposure.

Probably not a fit

Patients with overlapping GI conditions, severe comorbidities, or recent or current pregabalin use may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This interventional study investigates the potential benefit of pregabalin for adults aged 18 to 70 with irritable bowel syndrome. Participants are assigned to receive pregabalin in addition to routine treatment. The study aims to understand both the efficacy of pregabalin in IBS symptoms and potential underlying factors contributing to IBS, while monitoring safety and tolerability. It uses Rome IV criteria and IBS-SSS to identify eligible participants and excludes individuals with other GI conditions, significant comorbidities, or recent pregabalin exposure. Conducted at Beijing Tiantan Hospital with collaboration from several regional centers, recruitment is limited to sites in Beijing to support standardized assessment.

Why it matters

Potential benefit: If successful, pregabalin could reduce IBS symptoms and improve quality of life for some patients.

How similar studies have gone: Prior approaches with neuromodulators have shown mixed results in IBS, making this investigation exploratory for pregabalin.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age range: 18-70 years old;
2. According to the Rome IV diagnostic criteria for IBS, the screening result is positive;
3. Mild to moderate IBS patients assessed based on the IBS-SSS.

Exclusion Criteria:

1. Concurrent gastrointestinal conditions presenting with symptoms potentially overlapping with those of IBS, significant medical comorbidities;
2. Severe mental disorders associated with marked personality disturbances, active suicidal thoughts or any self harm episodes within the preceding 12 months;
3. Current or intended pregnancy or lactation;
4. Cognitive impairment;
5. Recent use of pregabalin (within 30 days) or known allergy to pregabalin;
6. Concomitant use of medications that may interact with the study drug, mimic its effects, or aggravate expected adverse reactions (including but not limited to rosiglitazone, pioglitazone, opioids, anxiolytics, non opioid analgesics, mexiletine, dextromethorphan, and sedative hypnotics);
7. Use of IBS specific agents such as alosetron;
8. Consumption exceeding 50 units of alcohol weekly (where 1 unit corresponds to 10 mL of pure alcohol).

Where it's running

  • Beijing Tiantan Hospital
    Beijing, Beijing Municipality, China
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.