Efficacy/safety of olmesartan medoxomil versus losartan potassium in naïve versus previously treated subjects with hypertension.

Introduction A predefined exploratory analysis of a prospective, randomized, double-blind, forcedtitration study of olmesartan medoxomil (OM) versus losartan potassium (LOS) in subjects with hypertension not previously or previously treated with antihypertensive medication is reported.