지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Background: Amlodipine is a third-generation dihydropyridine calcium channel blocker for treating hypertension. Though marketed primarily as a besylate salt, there have been some efforts to find other comparable salts. Among them, maleate is the salt that has been considered favorable for many drugs. The aim of this study was to compare the pharmacokinetics, as well as safety and tolerability of amlodipine maleate with amlodipine besylate. Methods: This study was open, randomized, two-period crossover design investigated in twelve healthy male volunteers over a 144 h period after administrating two forms of amlodipine 5 mg, respectively. Each period was separated with 2 weeks. Plasma concentrations of amlodipine were determined by liquid chromatography-tandem mass spectrometry. Safety profiles were assessed by vital signs, physical examinations, electrocardiograms, laboratory testing and adverse events monitoring. Results: All subjects were completed this study. Geometric mean ratios (GMRs) of amlodipine maleate/amlodipine besylate of $C_{max}$ and $AUC_{last}$ for amlodipine were 0.92 (90% confidence interval, 0.81 ~ 1.05) and 1.05 (0.96 ~ 1.16), respectively. No serious adverse events were reported, and no clinically relevant changes were observed in safety profiles during this trial. Conclusion: Pharmacokinetics, tolerability and the safety were comparable between amlodipine maleate and amlodipine besylate in healthy individuals.
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