The purpose of this study is to evaluate efficacy and safety of Irbesartan and Amlodipine combined therapy in patients with essential hypertension inadequately controlled on Irbesartan monotherapy
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
271
Irbesartan/Amlodipine low once daily for 8 weeks
Irbesartan/Amlodipine high once daily for 8 weeks
Irbesartan once daily for 8 weeks
Severance Hospital
Seoul, South Korea
Change from baseline in mean sitting systolic blood pressure(mmHg)
Time frame: Week8
Change from baseline in mean sitting systolic blood pressure(mmHg)
Time frame: Week 4
2.Change from baseline in mean sitting diastolic blood pressure(mmHg)
Time frame: Week 4,8
Responder rate
Time frame: Week 4,8
Target blood pressure reach rate
Time frame: Week 4,8
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