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PAR-101/OPT-80

Phase 3

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

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment535

FDA Designations

No designations recorded

Clinical trial landscape

PAR-101/OPT-80 · 1 trial · 2 indications

Phase 3 1
NCT00468728PAR-101/OPT-80 Versus Vancomycin for the Treatment of Clostridium Difficile-Associated Diarrhea (CDAD)Clostridium Infections
COMPLETED535 Analytics
PHASE3COMPLETED
PAR-101/OPT-80 Versus Vancomycin for the Treatment of Clostridium Difficile-Associated Diarrhea (CDAD)
Clostridium InfectionsUnlock trial analytics

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
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
1ACTIVE_COMPARATORVancomycin
2EXPERIMENTALPAR-101/OPT-80

Interventions

NameTypeDescription
PAR-101/OPT-80DRUGcapsules
VancomycinDRUGCapsules
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Eligibility Criteria

Age Range16 Years to 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
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Frequently asked questions about PAR-101/OPT-80

What is PAR-101/OPT-80 used for?

PAR-101/OPT-80 is an investigational small molecule being developed for the treatment of Clostridium infections, specifically Clostridium difficile-associated diarrhea (CDAD). It is currently in Phase 3 clinical development and has not been approved by regulatory authorities.

Who makes PAR-101/OPT-80?

PAR-101/OPT-80 is being developed by Merck & Company, Inc., a pharmaceutical company traded on the New York Stock Exchange under the ticker symbol MRK. The drug is currently in Phase 3 clinical trials for the treatment of Clostridium difficile-associated diarrhea.

What phase is PAR-101/OPT-80 in?

PAR-101/OPT-80 is in Phase 3 clinical development. It is an investigational drug being studied for the treatment of Clostridium difficile-associated diarrhea. The drug has not been approved by the FDA and remains in clinical trials to evaluate its safety and efficacy.

What clinical trials is PAR-101/OPT-80 in?

PAR-101/OPT-80 has one completed Phase 3 clinical trial, identified as NCT00468728. This randomized, double-blind, active-controlled study compared PAR-101/OPT-80 to vancomycin for the treatment of Clostridium difficile-associated diarrhea. The trial enrolled 535 participants across multiple countries, including the United States, Belgium, Canada, France, Germany, Italy, Spain, Sweden, and the United Kingdom.

Is PAR-101/OPT-80 the same as OPT-80?

Yes, PAR-101/OPT-80 is the same drug as OPT-80. The name PAR-101/OPT-80 combines both designations for this investigational small molecule being developed by Merck & Company, Inc. for the treatment of Clostridium difficile-associated diarrhea.