Study to Compare and Assess the Safety and Pharmacokinetic Characteristics After Oral Administration of Fimasartan (BR-A-657∙K) in Healthy Elderly and Young Male Volunteers

Essential Hypertension

Fimasartan, healthy elderly and young male volunteer, pharmacokinetic

The purpose of this study is to compare and assess the safety and pharmacokinetic characteristics after oral administration of fimasartan (BR-A-657∙K) in healthy elderly and young male volunteers.

Fimasartan (BR-A-657-K), a selective blocker of AT1 receptor subtype, showed the rapid and potent antihypertensive effect in many hypertensive models. Phase I study, Fimasartan (BR-A-657-K) 20 mg \ 480 mg single dosing with healthy subjects, demonstrated that the Fimasartan (BR-A-657-K) was very safe and well tolerated. Another phase I study, Fimasartan (BR-A-657-K) 120mg and 360mg dosing for 7 days, also showed that Fimasartan (BR-A-657-K) was safe and tolerable though one temporal adverse event was observed in high dose. A open-labeled, single-dosing, parallel Clinical Study to Evaluate pharmacokinetic characteristics after oral administration of fimasartan in healthy elderly and young male volunteers. 22 male healthy volunteers were enrolled during 2 months. In part A, 240 mg of fimasartan per day was taken once by younger male healthy volunteers in day 1. Then blood and urine samples were collected 0, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24 and 48 hours after administration. In part B, 240 mg of hydrochlorothiazide per day was taken once by elderly male healthy volunteers in day 1. Then blood and urine samples were collected 0, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24 and 48 hours after administration.

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