Efficacy and Safety of Lubiprostone in Patients With Irritable Bowel Syndrome With Constipation

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

581 participants

Study Classification

INTERVENTIONAL

Study Start Date

2005-05-31

Study Completion Date

2006-07-31

Brief Summary

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The primary purpose of this study is to evaluate the efficacy and safety of administration of lubiprostone in patients with irritable bowel syndrome with constipation.

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Detailed Description

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Conditions

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Irritable Bowel Syndrome Constipation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Interventions

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Lubiprostone

Intervention Type DRUG

Placebo

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* 18 years of age and older
* Stable fiber therapy
* Normal colonoscopy/sigmoidoscopy
* Able to refrain from use of medications known to treat or associated with constipation symptoms
* Experiences abdominal discomfort/pain associated with bowel movements
* Reports decreased bowel movement frequency and/or other symptoms associated with constipation

Exclusion Criteria

* Diarrhea-predominant or alternating (diarrhea \& constipation cycling) IBS, or constipation other than that associated with IBS
* Open gastrointestinal or abdominal surgery prior to IBS onset
* Organic bowel disorder, mechanical bowel obstruction, pseudo-obstruction, unexplained weight loss or rectal bleeding
* Uncontrolled cardiovascular, liver or lung disease, neurologic or psychiatric disorder, other systemic disease, or abnormal laboratory tests per investigator discretion
* If female, is currently pregnant or nursing, or plans to become pregnant or nurse during the clinical study

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No