Study of LX1031 in Subjects With Non-Constipating Irritable Bowel Syndrome

NCT ID: NCT00813098

Last Updated: 2010-12-02

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

PHASE2

Total Enrollment

155 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-12-31

Study Completion Date

2010-08-31

Brief Summary

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The purpose of the study is to evaluate the safety, tolerability, and effectiveness of LX1031 versus a placebo control in subjects with non-constipating irritable bowel syndrome.

Detailed Description

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Conditions

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Irritable Bowel Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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High dose

A high dose of LX1031; daily oral intake for 28 days

Group Type EXPERIMENTAL

LX1031 High Dose

Intervention Type DRUG

A high dose of LX1031; daily oral intake for 28 days

Low Dose

A low dose of LX1031; daily oral intake for 28 days

Group Type EXPERIMENTAL

LX1031 Low Dose

Intervention Type DRUG

A low dose of LX1031; daily oral intake for 28 days.

Placebo

Matching placebo dosing with daily oral intake

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Matching placebo dosing with daily oral intake

Interventions

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LX1031 High Dose

A high dose of LX1031; daily oral intake for 28 days

Intervention Type DRUG

LX1031 Low Dose

A low dose of LX1031; daily oral intake for 28 days.

Intervention Type DRUG

Placebo

Matching placebo dosing with daily oral intake

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Males and females aged 18-70 years old
* Documented diagnosis of IBS (IBS-diarrhea or IBS-mixed) based upon Rome III criteria
* Abdominal pain/discomfort at least 2 days per week during the screening and run-in periods
* Normal structural evaluation of the colon within 5 years prior to screening
* Ability to provide written informed consent

Exclusion Criteria

* Inability to discontinue current drug therapy for IBS, except for bulking agents, through the duration of the study
* Use of anticholinergic antidepressants, opioid pain medications, or any drugs that affect bowel motility
* Lactose intolerance
* Major psychological disorder
* Significant nicotine or caffeine use (\>10 cigarettes and/or six 8 ounce cups of coffee per day, respectively)
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Lexicon Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Lexicon Pharmaceuticals, Inc.

Principal Investigators

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Joel P. Freiman, MD

Role: STUDY_DIRECTOR

Lexicon Pharmaceuticals, Inc.

Locations

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Genova Clinical Research

Tucson, Arizona, United States

Site Status

Arkansas Gastroenterology

Sherwood, Arkansas, United States

Site Status

Advanced Clinical Research Institute

Anaheim, California, United States

Site Status

Edinger Medical Group Clinical Research Center

Fountain Valley, California, United States

Site Status

Impact Clinical Trials

Los Angeles, California, United States

Site Status

Community Clinical Trials

Orange, California, United States

Site Status

AGMG - Orange

Orange, California, United States

Site Status

Medical Associates Research Group

San Diego, California, United States

Site Status

Lynn Instiute of the Rockies

Colorado Springs, Colorado, United States

Site Status

Clinical Trials Management of Boca Raton, Inc.

Boca Raton, Florida, United States

Site Status

Consultants for Clinical Research of S. Florida

Boynton Beach, Florida, United States

Site Status

Research Consultants Group

Hialeah, Florida, United States

Site Status

Accord Clinical Research, LLC

Port Orange, Florida, United States

Site Status

Clinical Research Atlanta

Stockbridge, Georgia, United States

Site Status

Northwest Clinical Trials

Boise, Idaho, United States

Site Status

ActivMed Practice and Research

Haverhill, Massachusetts, United States

Site Status

Mayo Clinic

Rochester, Minnesota, United States

Site Status

Affiliated Clinical Research

Las Vegas, Nevada, United States

Site Status

Long Island Clinical Research

Great Neck, New York, United States

Site Status

Cary Medical Research

Cary, North Carolina, United States

Site Status

The UNC Center for Functional GI & Motility Disorders

Chapel Hill, North Carolina, United States

Site Status

Medoff Medical/Vital re:Search

Greensboro, North Carolina, United States

Site Status

Unifour Medical Research

Hickory, North Carolina, United States

Site Status

Piedmont Medical Associates

Winston-Salem, North Carolina, United States

Site Status

Consultants for Clinical Research

Cincinnati, Ohio, United States

Site Status

Gastroenterology Research Consultant of Greater Cincinnati

Cincinnati, Ohio, United States

Site Status

Oklahoma Foundation for Digestive Research

Oklahoma City, Oklahoma, United States

Site Status

Lynn Health Science Institute

Oklahoma City, Oklahoma, United States

Site Status

Coastal Carolina Research Center in Goose Creek

Goose Creek, South Carolina, United States

Site Status

ClinSearch

Chattanooga, Tennessee, United States

Site Status

Pioneer Research Solutions

Houston, Texas, United States

Site Status

Houston Medical Research Associates

Houston, Texas, United States

Site Status

Advanced Research Institute

Ogden, Utah, United States

Site Status

Utah Clinical Trials, LLC

Salt Lake City, Utah, United States

Site Status

National Clinical Research Norfolk Inc.

Norfolk, Virginia, United States

Site Status

Aurora Health Center - Waukesha

Waukesha, Wisconsin, United States

Site Status

Countries

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United States

Other Identifiers

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LX1031.201

Identifier Type: OTHER

Identifier Source: secondary_id

Protocol LX1031.1-201-IBS

Identifier Type: -

Identifier Source: org_study_id