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|Type:||Artigo de periódico|
|Title:||Comparative Bioavailability study with two amiodarone tablet formulations administered with and without food in healthy subjects|
De Nucci, G
|Abstract:||Objective: The aim was to assess the comparative bioavailabitity of two formulations (200 mg tablet) of amiodarone (CAS 19774-82-4) in healthy volunteers of both sexes, with and without food. Methods: The study was conducted using an open, randomized, two-period crossover design with a 3-week washout interval, in two groups, with and without food. Plasma samples were obtained for up to 240 h post dose. Plasma amiodarone concentrations were analyzed by liquid chromatography coupled to tandem mass spectrometry (LC-MS-MS) with positive ion electrospray ionization using multiple reactions monitoring (MRM). From the amiodarone plasma concentration vs. time curves, the following pharmacokinetic parameters were obtained, with and without food: AUC(last), AUC(inf,) AUC(0-240h), AUC(0-72h) and C-max. Results: The limit of quantification was 1 ng/mL for plasma amiodarone analysis. The geometric mean and 90% confidence interval CI of Test/Reference percent ratios were, without and with food, respectively: 107.61 (92.73-124.89) and 100.6 (94.1-107.5) for C-max, 107.05 (95.88-119.51) and 100.2 (96.0-104.7) for AUC(last), 107.27 (95.78-120.15) and 100.8 (97.0-104.8) for AUC(0-72h), 106.76 (95.84118.94) and 100.2 (96.0-104.7) for AUC(0-240h) and AUC(inf) 105.15 (94.18-117.41) and 100.7 (96.6-105.0). Conclusion: Since the 90% CI for AUC(0-72), and C-max ratios were within the 80-125% interval proposed by the US FDA, it was concluded that the amiodarone 200 mg tablet (test formulation) with and without food was bioequivalent to the reference 200 mg tablet for both the rate and extent of absorption.|
food on bloavailabillty
|Editor:||Ecv-editio Cantor Verlag Medizin Naturwissenschaften|
|Citation:||Arzneimittel-forschung-drug Research. Ecv-editio Cantor Verlag Medizin Naturwissenschaften, v. 57, n. 9, n. 582, n. 590, 2007.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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