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Safety and Efficacy Study of Suvorexant in Participants With Primary Insomnia - Study A (MK-4305-028)

Primary Insomnia Clinical Trial

Official title:
A Phase III, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Safety and Efficacy of MK-4305 in Patients With Primary Insomnia - Study A

Clinical Trial Summary

This is a multicenter study to test the hypothesis that suvorexant (MK-4305) is superior to placebo in improving insomnia as measured by change from baseline in: subjective total sleep time and time to sleep onset, wake time after persistent sleep onset, and latency to onset of persistent sleep. Participants who complete the initial 3-month Treatment (TRT) Phase may participate in an optional 3-month Extension (EXT) Phase.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01097616
Study type Interventional
Source Merck Sharp & Dohme Corp.
Contact
Status Completed
Phase Phase 3
Start date May 5, 2010
Completion date December 7, 2011
View Details
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