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KMID : 0648320110170030103
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Journal of The Korean Society of Hypertension
2011 Volume.17 No. 3 p.103 ~ p.113
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The Phase 4 Randomized, Public, Parallel, Comparative, Clinical Trial to Compare Efficacy and Safety of S-(-)-Amlodipine Nicotinate with Ramipril in Hypertensive Patients
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Kim Min-Suk
Jeong Myung-Ho
Lee Min-Goo
Sim Doo-Sun
Park Keun-Ho
Yoon Nam-Sik
Yoon Hyun-Ju
Kim Kye-Hun
Hong Young-Joon
Kim Ju-Han
Ahn Young-Keun
Cho Jeong-Gwan
Park Jong-Chun
Kang Jung-Chaee
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Abstract
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Background: The aim of this study was to compare the antihypertensive effect of S-(-)-amlodipine nicotinate with ramipril in patients with essential hypertension.
Methods: Total 138 patients (54.5 ± 10.5 years, 69 males) were enrolled in this study between 2008 and 2010. Amlodipine 2.5 mg or ramipril 2.5 mg was treated once in a day for 8 weeks. Epidemiologic analysis was performed in intend-to-treat group. Efficacy analysis was performed in the differences of diastolic blood pressure in study groups. Abnormal reactions were divided with severities and drug-relationship.
Results: The change of diastolic blood pressures were more prominent with -12.7 ± 7.02 mm Hg in amlodipine group, and -9.6 ± 7.38 mm Hg in ramipril group (p = 0.023). The change of systolic blood pressures was higher in amlodipine group with -18.1 ± 7.91 mm Hg, and -14.3 ± 11.96 mm Hg in ramipril group (p = 0.047). Blood pressure normalization rates were 81.3% (48 of 59 patients) in amlodipine group, and 61.4% (35 of 57 patients) in ramipril group (p = 0.017). Abnormal reaction occurred in 5.8% (4 of 68 patients) of amlodipine group and 14.2% (10 of 70 patients) of ramipril group (p = 0.102). The most frequent abnormal reaction was respiratory symptom.
Conclusions: S-Amlodipine-Nicotinate was more effective than ramipril in hypertensive patients without significant abnormal reaction.
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KEYWORD
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Hypertension, Calcium channel blocker, Angiotensin converting enzyme inhibitor
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