Efficacy of Blood Pressure reduction of Losartan in selected Thai populations using Home Blood Pressure Monitoring and Office Blood Pressure measurements.

Background: Angiotensin Receptor Blockades (ARB) is becoming a first line drug for essential Hypertension for many types of patient. Losartan is the prototype of ARB due to its vast clinical trials. Home Blood pressure monitoring can provide accurate evaluation of certain drug effect on blood pressure with small number of patient samples.