Merck Provides Update on Development Program for Suvorexant, an Investigational Orexin Receptor Antagonist for the Treatment of Insomnia

WHITEHOUSE STATION, N.J.--(BUSINESS WIRE)--Merck (NYSE:MRK), known as MSD outside the United States and Canada, today provided an update on the development program for suvorexant, the company's investigational orexin receptor antagonist, which, if approved, will be a new mechanism for the treatment of insomnia. The two pivotal Phase III efficacy trials for suvorexant have been completed and, based on the positive results of these studies, Merck plans to file a New Drug Application (NDA) for suvo

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February 6, 2012