Recent Updates
Recently added Catalysts

PAR-101/OPT-80

Phase 3

Clostridium Infections | Small molecule | Gastrointestinal |Merck & Company, Inc.|Last Updated: Apr 21, 2017

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment535
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00468728PAR-101/OPT-80 Versus Vancomycin for the Treatment of Clostridium Difficile-Associated Diarrhea (CDAD)PHASE3 COMPLETED 535Oct 4, 2006Dec 11, 2009Apr 21, 2017116 United States, Belgium +7
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Cure Rate at End of Therapy
Study day 10 (+/- 2 days)

Percentage of subjects with 3 or fewer unformed stools for 2 consecutive days and maintained through the end of therapy, and the subject no longer needed specific anti-Clostridium antibacterial treatment after completion of the course of study medication.

Secondary Endpoints
Recurrence
Study days 11-40
Global Cure
End of Study
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
1ACTIVE_COMPARATORVancomycin
2EXPERIMENTALPAR-101/OPT-80
Interventions
NameTypeDescription
PAR-101/OPT-80DRUGcapsules
VancomycinDRUGCapsules
Unlock Study Design Details
Eligibility Criteria
Age Range16 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites116

Inclusion Criteria: * Males/females with CDAD * Females must use adequate contraception * Signed informed consent Exclusion Criteria: * Life-threatening CDAD * Toxic megacolon * Pregnant * Concurrent use of diarrheal agents * Participation in other trials

Countries:United StatesBelgiumCanadaFranceGermanyItalySpainSwedenUnited Kingdom
Unlock Eligibility Criteria