IBS — Trials, FDA Actions & Pivotal Research

4 active IBS trials currently recruiting in the US, sourced from ClinicalTrials.gov.

Synced daily from openFDA and ClinicalTrials.gov. Last sync: August 19, 2026.

Active IBS trials

Currently recruiting US trials matching IBS, sourced live from ClinicalTrials.gov. We’ll add per-event articles here as those trials post results or hit primary completion.

Effect of Multispecies Probiotic Supplementation on the Efficacy of Rifaximin α Therapy in Patients With Small Intestinal Bacterial Overgrowth (SIBO): a Randomized Placebo-controlled Trial

for Small Intestinal Bacterial Overgrowth Syndrome (SIBO)

Sponsor: Państwowy Instytut Medyczny Ministerstwa Spraw Wewnętrznych i Administracji

Sex: All·Age: 18 - 75

Code: NCT07426705·Phase 4·Not Yet Recruiting·Listed Feb 2026

Ebastine Versus Mebeverine in IBS Patients

for IBS - Irritable Bowel Syndrome

Sponsor: Guy Boeckxstaens

Sex: All·Age: 18 - 65

Code: NCT05815602·Phase 3·Recruiting·Listed Apr 2023

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Measuring Nerve Activity in Small Human Intestinal Biopsies in IBS (Irritable Bowel Syndrome)

for IBS

Sponsor: KU Leuven

Sex: All·Age: 18 - 99·Accepts healthy volunteers

Code: NCT01912313·Recruiting·Listed Jul 2013

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Visceral Sensitivity in IBD (Irritable Bowel Disease) and IBS (Irritable Bowel Syndrome)

for IBS

Sponsor: KU Leuven

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT02421705·Recruiting·Listed Apr 2015

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