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LX1031 High Dose

Phase 2

Irritable Bowel Syndrome | Small molecule | Gastrointestinal |Lexicon Pharmaceuticals, Inc.|Last Updated: Dec 2, 2010

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment155
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00813098Study of LX1031 in Subjects With Non-Constipating Irritable Bowel SyndromePHASE2 COMPLETED 155Dec 1, 2008Aug 1, 2010Dec 2, 201036 United States
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Study Endpoints
Primary Endpoints
Subjects Who Experienced Relief of IBS Pain and Discomfort at Week 4
Week 4

The primary efficacy endpoint was the proportion of subjects experiencing relief of IBS pain and discomfort at Week 4 as measured by the response to the question,"In the past 7 days have you had adequate relief of your irritable bowel syndrome pain and discomfort?"

Secondary Endpoints
Change From Baseline at Week 4 in Proportion of Days Per Week When Experiencing Urgency to Defecate
Baseline to Week 4
Change From Baseline at Week 4 in Stool Consistency Scores
Baseline to Week 4
Change From Baseline at Week 4 in Stool Frequency
Baseline to Week 4
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
High doseEXPERIMENTALA high dose of LX1031; daily oral intake for 28 days
Low DoseEXPERIMENTALA low dose of LX1031; daily oral intake for 28 days
PlaceboPLACEBO_COMPARATORMatching placebo dosing with daily oral intake
Interventions
NameTypeDescription
LX1031 High DoseDRUGA high dose of LX1031; daily oral intake for 28 days
LX1031 Low DoseDRUGA low dose of LX1031; daily oral intake for 28 days.
PlaceboDRUGMatching placebo dosing with daily oral intake
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Eligibility Criteria
Age Range18 Years — 70 Years
SexALL
Healthy VolunteersNo
Study Sites36

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...

Countries:United States
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