Overview Evaluation of the Antihypertensive Effect of Hyzaar(R) and Cognitive Function of Hypertensive Patients (0954A-322) Status: Completed Trial end date: 2007-06-01 Target enrollment: Participant gender: Summary Evaluate the antihypertensive and neuroprotective effects of Hyzaar(R) in elderly subjects in comparison with Natrilix(TM). Phase: Phase 3 Details Lead Sponsor: Merck Sharp & Dohme Corp.Treatments: Antihypertensive AgentsHydrochlorothiazideLosartan