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Completed Phase 2 Interventional

A Multi-Center Trial to Determine the Safety and Efficacy of LX1033 in Subjects With Diarrhea-Predominant Irritable Bowel Syndrome

ClinicalTrials.gov ID: NCT01494233

Public ClinicalTrials.gov record NCT01494233. 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.

ClinicalTrials.gov public records Last synced Sep 27, 2026, 12:45 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 Phase 2, Multi-Center, Randomized, Double-Blind, Placebo-Controlled, Multiple-Dose Study to Determine the Safety and Efficacy of Orally Administered LX1033 in Subjects With Diarrhea-Predominant Irritable Bowel Syndrome (IBS-D)

Brief summary

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

The objective of this study is to evaluate the safety and efficacy of LX1033 over a range of dose levels in subjects with diarrhea-predominant Irritable Bowel Syndrome (IBS).

Study identification

NCT ID
NCT01494233
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Lexicon Pharmaceuticals
Industry
Enrollment
373 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 70 Years
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
Aug 31, 2013
Completion
Not listed
Last update posted
Mar 22, 2015

Started 2012

United States locations

U.S. sites
81
U.S. states
30
U.S. cities
78
Facility City State ZIP Site status
Lexicon Investigational Site Huntsville Alabama 35801 —
Lexicon Investigational Site Tempe Arizona 85282 —
Lexicon Investigational Site Tucson Arizona 85704 —
Lexicon Investigational Site Tucson Arizona 85712 —
Lexicon Investigational Site Little Rock Arkansas 72211 —
Lexicon Investigational Site North Little Rock Arkansas 72117 —
Lexicon Investigational Site Anaheim California 92801 —
Lexicon Investigational Site Encinitas California 92024 —
Lexicon Investigational Site Los Angeles California 90095 —
Lexicon Investigational Site Oakland California 94609 —
Lexicon Investigational Site Orange California 92868 —
Lexicon Investigational Site San Diego California 92108 —
Lexicon Investigational Site Santa Monica California 90404 —
Lexicon Investigational Site Tustin California 92780 —
Lexicon Investigational Site Westlake Village California 91361 —
Lexicon Investigational Site Littleton Colorado 80120 —
Lexicon Investigational Site Littleton Colorado 80128 —
Lexicon Investigational Site Wheat Ridge Colorado 80033 —
Lexicon Investigational Site Waterbury Connecticut 06708 —
Lexicon Investigational Site Boynton Beach Florida 33426 —
Lexicon Investigational Site Bradenton Florida 34208 —
Lexicon Investigational Site Brooksville Florida 34601 —
Lexicon Investigational Site DeLand Florida 32720 —
Lexicon Investigational Site Jacksonville Florida 32256 —
Lexicon Investigational Site Kissimmee Florida 34741 —
Lexicon Investigational Site Lauderdale Lakes Florida 33319 —
Lexicon Investigational Site Maitland Florida 32751 —
Lexicon Investigational Site Orlando Florida 32806 —
Lexicon Investigational Site Port Orange Florida 32129 —
Lexicon Investigational Site Tampa Florida 33606 —
Lexicon Investigational Site Boise Idaho 83704 —
Lexicon Investigational Site Meridian Idaho 83642 —
Lexicon Investigational Site Addison Illinois 60101 —
Lexicon Investigational Site Chicago Illinois 60622 —
Lexicon Investigational Site Rockford Illinois 61107 —
Lexicon Investigational Site Wichita Kansas 67207 —
Lexicon Investigational Site Bowling Green Kentucky 42101 —
Lexicon Investigational Site Lexington Kentucky 40504 —
Lexicon Investigational Site Chevy Chase Maryland 20815 —
Lexicon Investigational Site Towson Maryland 21204 —
Lexicon Investigational Site Brockton Massachusetts 02301 —
Lexicon Investigational Site Chesterfield Michigan 48047 —
Lexicon Investigational Site Kalamazoo Michigan 49009 —
Lexicon Investigational Site Troy Michigan 48098 —
Lexicon Investigational Site Jackson Mississippi 39202 —
Lexicon Investigational Site Mexico Missouri 65265 —
Lexicon Investigational Site Billings Montana 59102 —
Lexicon Investigational Site Berlin New Jersey 08009 —
Lexicon Investigational Site Albuquerque New Mexico 87102 —
Lexicon Investigational Site Great Neck New York 11021 —
Lexicon Investigational Site Great Neck New York 11023 —
Lexicon Investigational Site New York New York 10022 —
Lexicon Investigational Site Boone North Carolina 28607 —
Lexicon Investigational Site Cary North Carolina 27518 —
Lexicon Investigational Site Chapel Hill North Carolina 27599 —
Lexicon Investigational Site Greensboro North Carolina 27408 —
Lexicon Investigational Site High Point North Carolina 27262 —
Lexicon Investigational Site Raleigh North Carolina 27612 —
Lexicon Investigational Site Winston-Salem North Carolina 27103 —
Lexicon Investigational Site Fargo North Dakota 58103 —
Lexicon Investigational Site Kettering Ohio 45429 —
Lexicon Investigational Site Lima Ohio 45806 —
Lexicon Investigational Site Mentor Ohio 44060 —
Lexicon Investigational Site Wadsworth Ohio 44281 —
Lexicon Investigational Site Norman Oklahoma 73069 —
Lexicon Investigational Site Oklahoma City Oklahoma 73104 —
Lexicon Investigational Site Eugene Oregon 97404 —
Lexicon Investigational Site Mt. Pleasant South Carolina 29464 —
Lexicon Investigational Site Chattanooga Tennessee 37421 —
Lexicon Investigational Site Austin Texas 78756 —
Lexicon Investigational Site El Paso Texas 79902 —
Lexicon Investigational Site Lake Jackson Texas 77566 —
Lexicon Investigational Site Plano Texas 75075 —
Lexicon Investigational Site San Antonio Texas 78229 —
Lexicon Investigational Site Clinton Utah 84105 —
Lexicon Investigational Site Logan Utah 84341 —
Lexicon Investigational Site Ogden Utah 84405 —
Lexicon Investigational Site Sandy City Utah 84904 —
Lexicon Investigational Site West Jordan Utah 84088 —
Lexicon Investigational Site Lynchburg Virginia 24502 —
Lexicon Investigational Site Virginia Beach Virginia 23454 —

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01494233, 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 Mar 22, 2015 · Synced Sep 27, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01494233 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →