Overview Kanagawa Combination Anti-hypertensive Therapy (K-CAT) Status: Completed Trial end date: 2010-08-01 Target enrollment: Participant gender: Summary The purpose of this study is to compare the effect and safety of the antihypertensive combination therapies between losartan/amlodipine and fixed dose drug of losartan/hydrochlorothiazide. Phase: Phase 4 Details Lead Sponsor: Yokohama City University Medical CenterTreatments: AmlodipineDiureticsHydrochlorothiazideLosartan