AGTR1 and hypertensive disorder: The present study aimed to investigate whether the antihypertensive effect of angiotensin receptor antagonist valsartan is associated with polymorphisms AGTR1 A1166C and CYP2C9∗3 in a Chinese population and provide information about the heterogeneity of antihypertensive drug responses, which would help the clinicians to make an informed decision about individualized medication for hypertension.