A Study to Evaluate Efficacy and Safety of CS-3150 in Japanese Hypertensive Subjects

A Randomized, Double-blind, Placebo-controlled, Multi-center Study to Evaluate Efficacy and Safety of CS-3150 in Japanese Subjects With Hypertension

This study is a randomized, placebo-controlled, double-blind, multi-center study to evaluate efficacy and safety of different doses of CS-3150 compared to placebo in Japanese hypertensive subjects. Primary endpoint is change from baseline in sitting systolic and diastolic blood pressure.

Inclusion Criteria:

• Male and female subjects aged 20 years or older at informed consent
• Subjects with essential hypertension (Sitting SBP ≥ 140 mmHg and < 180 mmHg, Sitting DBP ≥ 90 mmHg and < 110 mmHg,and 24h-hr blood pressure more than 130 mmHg in SBP and 80 mmHg in DBP)

Exclusion Criteria:

• Secondary hypertension or malignant hypertension
• Diabetes mellitus with albuminuria
• Serum potassium level < 3.5 or ≥ 5.1 mEq/L
• Reversed day-night life cycle including overnight workers
• eGFR < 60 mL/min/1.73 m^2