Perindopril arginine + amlodipine versus amlodipine alone in patients with primary hypertension not adequately controlled on amlodipine 5 mg

Phase 3, randomised, double-blind trial in essential hypertension comparing Perindopril arginine + amlodipine combination arm with Amlodipine monotherapy arm (2 arms). Primary endpoint: Change from baseline in sitting systolic blood pressure at Week 8. Started Sep 2010; status: completed.