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Clinical trial

An Efficacy and Safety Trial of Verubecestat (MK-8931) in Mild to Moderate Alzheimer's Disease (P07738) (EPOCH)

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Last updated:1st Nov 2012

This study consists of two parts, Part I and Part II. The purpose of Part I of the study is to assess the efficacy and safety of verubecestat (MK-8931) compared with placebo administered for 78 weeks in the treatment of Alzheimer's Disease (AD). The primary study hypotheses for Part I are that at least one verubecestat dose is superior to placebo at 78 weeks of treatment with respect to change from Baseline in Alzheimer's Disease Assessment Scale Cognitive Subscale (ADAS-Cog) score and that at least one verubecestat dose is superior to placebo at 78 weeks of treatment with respect to change from Baseline in Alzheimer's Disease Cooperative Study Activities of Daily Living Inventory (ADCS-ADL) score. The first approximately 400 participants entering Part I of the study are identified as the Safety Cohort. Participants who complete Part I of the study may choose to participate in Part II, which is a long term double-blind extension to assess efficacy and safety of verubecestat administered for up to an additional 260 weeks.


Study Type: Interventional
Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized, Placebo Controlled, Parallel-Group, Double Blind Efficacy and Safety Trial of MK-8931 With a Long Term Double-Blind Extension in Subjects With Mild to Moderate Alzheimer's Disease (Protocol No. MK-8931-017-10)(Also Known as SCH 900931, P07738)
Estimated Enrollment: 1960
Study Start Date: November 2012
Estimated Study Completion Date: July 2019
Estimated Primary Completion Date: July 2017 (Final data collection date for primary outcome measure)

Arms:
- Experimental:
Verubecestat 12 mg
- Experimental: Verubecestat 40 mg
- Experimental: Verubecestat 60 mg (Safety Cohort Only)
- Placebo Comparator: Placebo/Verubecestat 40 mg

Category Value
Study start date 2012-11-01

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