Efficacy and Safety of Aliskiren 75 mg, 150 mg, and 300 mg in Elderly Patients With Essential Hypertension When Given With a Light Meal in a 8 Week Placebo-controlled Study

An Eight-week Double-blind, Multi-center, Randomized, Placebo-controlled, Parallel-group Study to Evaluate the Efficacy and Safety of Aliskiren 75 mg, 150 mg, and 300 mg in Elderly Patients With Essential Hypertension When Given With a Light Meal