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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 Jul 22, 2026, 3:22 AM 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)

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

Interventions

  • open-label rifaximin Drug
  • double-blind placebo Drug
  • double-blind rifaximin Drug

Drug

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
Jan 31, 2012
Primary completion
May 31, 2014
Completion
May 31, 2014
Last update posted
Dec 11, 2017

2012 – 2014

United States locations

U.S. sites
293
U.S. states
41
U.S. cities
229
Facility City State ZIP Site status
Not listed Anniston Alabama 36207 —
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Not listed Lebanon New Hampshire 05756 —
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Not listed Albuquerque New Mexico 87102 —
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Not listed Brooklyn New York 11206 —
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Not listed Mineola New York 39202 —
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Not listed Asheboro North Carolina 27203 —
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Not listed Kettering Ohio 45429 —
Not listed Mentor Ohio 44060 —
Not listed Norman Oklahoma 73069 —
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Not listed Downingtown Pennsylvania 19335 —
Not listed Pittsburgh Pennsylvania 15206 —
Not listed Reading Pennsylvania 19606 —
Not listed Sayre Pennsylvania 18840 —
Not listed East Providence Rhode Island 02914 —
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Not listed Charleston South Carolina 29407 —
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Not listed Suffolk Virginia 23434 —
Not listed Bellevue Washington 98004 —
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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 11, 2017 · Synced Jul 22, 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 protocol, eligibility criteria, and contact information for NCT01543178 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →