Rifaximin 3 Times/Day (TID) for Non-Constipation Irritable Bowel Syndrome (IBS)

NCT ID: NCT00724126

Last Updated: 2019-11-29

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

637 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-07-31

Study Completion Date

2009-09-30

Brief Summary

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To evaluate the efficacy of a 14-day course of rifaximin given 3 times a day vs. placebo in providing adequate relief of IBS symptoms.

Detailed Description

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Conditions

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Non-Constipation Irritable Bowel Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Placebo

Subjects received placebo tablets 3 times daily for 2 weeks and were followed for 10 weeks after completion of the treatment period.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Rifaximin

Subjects received rifaximin 550 mg tablets 3 times daily for 2 weeks and were followed for 10 weeks after completion of the treatment period.

Group Type EXPERIMENTAL

Rifaximin

Intervention Type DRUG

Interventions

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Rifaximin

Intervention Type DRUG

Placebo

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Confirmed IBS diagnosis per Rome II criteria for diagnosis of IBS.
* Colonoscopy within 2 years as part of IBS diagnostic evaluation.
* Has active symptoms of non-constipation IBS at baseline as measured by average daily scores for abdominal pain/discomfort, bloating, and stool consistency.

Exclusion Criteria

* Symptoms of constipation.
* History of other gastrointestinal diseases.
* Type 1 or 2 diabetes.
* Lactose intolerance not controlled by lactose-free diet.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Bausch Health Americas, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Enoch Bortey

Role: STUDY_DIRECTOR

Bausch Health Americas, Inc.

Locations

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Anniston, Alabama, United States

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Birmingham, Alabama, United States

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Huntsville, Alabama, United States

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Tempe, Arizona, United States

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Anaheim, California, United States

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Carmichael, California, United States

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Chula Vista, California, United States

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Concord, California, United States

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Garden Grove, California, United States

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Laguna Hills, California, United States

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Lakewood, California, United States

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Los Angeles, California, United States

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Monterey, California, United States

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Orange, California, United States

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Roseville, California, United States

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San Carlos, California, United States

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San Francisco, California, United States

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Bristol, Connecticut, United States

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Hamden, Connecticut, United States

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Newark, Delaware, United States

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Boca Raton, Florida, United States

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Hollywood, Florida, United States

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Largo, Florida, United States

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New Port Richey, Florida, United States

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New Smyrna Beach, Florida, United States

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Port Orange, Florida, United States

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St. Petersburg, Florida, United States

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Tampa, Florida, United States

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Zephyrhills, Florida, United States

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Atlanta, Georgia, United States

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Macon, Georgia, United States

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Elkhart, Indiana, United States

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Kansas City, Kansas, United States

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Topeka, Kansas, United States

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Bowling Green, Kentucky, United States

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Metairie, Louisiana, United States

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Monroe, Louisiana, United States

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Baltimore, Maryland, United States

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Elkridge, Maryland, United States

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Wellesley, Massachusetts, United States

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Ann Arbor, Michigan, United States

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Troy, Michigan, United States

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Wyoming, Michigan, United States

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Mexico, Missouri, United States

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Sicklerville, New Jersey, United States

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Voorhees Township, New Jersey, United States

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Albuquerque, New Mexico, United States

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Great Neck, New York, United States

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Mineola, New York, United States

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New York, New York, United States

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North Massapequa, New York, United States

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Pomona, New York, United States

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Stony Brook, New York, United States

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Boone, North Carolina, United States

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Chapel Hill, North Carolina, United States

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Charlotte, North Carolina, United States

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Greensboro, North Carolina, United States

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Greensboro, North Carolina, United States

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New Bern, North Carolina, United States

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Wilmington, North Carolina, United States

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Winston-Salem, North Carolina, United States

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Canton, Ohio, United States

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Cincinnati, Ohio, United States

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Dayton, Ohio, United States

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Downingtown, Pennsylvania, United States

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Newtown, Pennsylvania, United States

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Pittsburgh, Pennsylvania, United States

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Sayre, Pennsylvania, United States

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Anderson, South Carolina, United States

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Columbia, South Carolina, United States

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Bristol, Tennessee, United States

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Chattanooga, Tennessee, United States

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Franklin, Tennessee, United States

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Germantown, Tennessee, United States

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Jackson, Tennessee, United States

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Kingsport, Tennessee, United States

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El Paso, Texas, United States

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Houston, Texas, United States

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Lewisville, Texas, United States

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Plano, Texas, United States

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San Antonio, Texas, United States

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Salt Lake City, Utah, United States

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Burlington, Vermont, United States

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Chesapeake, Virginia, United States

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Fairfax, Virginia, United States

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Spokane, Washington, United States

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Milwaukee, Wisconsin, United States

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Milwaukee, Wisconsin, United States

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Countries

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United States

References

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Pimentel M, Lembo A, Chey WD, Zakko S, Ringel Y, Yu J, Mareya SM, Shaw AL, Bortey E, Forbes WP; TARGET Study Group. Rifaximin therapy for patients with irritable bowel syndrome without constipation. N Engl J Med. 2011 Jan 6;364(1):22-32. doi: 10.1056/NEJMoa1004409.

Reference Type RESULT
PMID: 21208106 (View on PubMed)

Lacy BE, Chang L, Rao SSC, Heimanson Z, Sayuk GS. Rifaximin Treatment for Individual and Multiple Symptoms of Irritable Bowel Syndrome With Diarrhea: An Analysis Using New End Points. Clin Ther. 2023 Mar;45(3):198-209. doi: 10.1016/j.clinthera.2023.01.010. Epub 2023 Mar 14.

Reference Type DERIVED
PMID: 36922331 (View on PubMed)

Schoenfeld P, Pimentel M, Chang L, Lembo A, Chey WD, Yu J, Paterson C, Bortey E, Forbes WP. Safety and tolerability of rifaximin for the treatment of irritable bowel syndrome without constipation: a pooled analysis of randomised, double-blind, placebo-controlled trials. Aliment Pharmacol Ther. 2014 May;39(10):1161-8. doi: 10.1111/apt.12735. Epub 2014 Apr 3.

Reference Type DERIVED
PMID: 24697851 (View on PubMed)

Other Identifiers

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RFIB3008

Identifier Type: -

Identifier Source: org_study_id

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