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Irritable Bowel Syndrome With Diarrhea (IBS-D) Rifaximin Re-Treatment Study

ClinicalTrials.gov ID: NCT01543178

Public ClinicalTrials.gov record NCT01543178. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:46 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Study to Assess Repeat Treatment Efficacy and Safety of Rifaximin 550 mg TID in Subjects With Irritable Bowel Syndrome With Diarrhea (IBS-D)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will evaluate the effectiveness and safety of repeat treatment with rifaximin 550 mg three times a day in patients with IBS with diarrhea who respond to initial treatment of rifaximin 550 mg three times a day.

Study identification

NCT ID
NCT01543178
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Bausch Health Americas, Inc.
Industry
Enrollment
2,583 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 2012 (Type not available)
Primary completion
Jun 2014 (Actual)
Completion
Jun 2014 (Actual)
Last update posted
Dec 12, 2017

2012 – 2014

United States locations

U.S. sites
293
U.S. states
41
U.S. cities
229
Facility City State ZIP Site status
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Not listed Spokane Washington 99208 —
Not listed Milwaukee Wisconsin 53215 —
Not listed Milwaukee Wisconsin 53226 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 3 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01543178, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 12, 2017 · Synced Oct 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01543178 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →