Comparative Pharmacokinetics And Bioequivalence Evaluation Of Two Formulations Of Morniflumate 350-Mg Tablets In Healthy Male Subjects
INTERNATIONAL JOURNAL OF CLINICAL PHARMACOLOGY AND THERAPEUTICS(2017)
Abstract
Background: Morniflumate is a nonsteroid anti-inflammatory drug (NSAID) that inhibits cyclooxygenase-1, 2 (COX-1, 2). Objective: This study aimed to compare the pharmacokinetics (PKs) and assess the bioequivalence of two different formulations of morniflumate 350-mg tablets in healthy Korean male subjects. Methods: A randomized, single-dose, two-period, two-sequence crossover study was conducted with 38 subjects. Subjects received a single dose of two tablets of either a test or a reference formulation and the alternated formulation in the next period. Serial blood samples for the PK analysis were collected over 12 hours. PK parameters were determined by a noncompartment analysis. PK parameters, including the maximum concentration (C-max) and the area under-the-concentration-time curve from time zero to the time of the last quantifiable concentration (AUC(last)) were compared in bioequivalence tests. Results: The C-max of the test and reference formulations were 985.72 +/- 6.80 mg/L and 947.09 +/- 6.73 mg/L, respectively, while the AUC(last) values were 2675.92 +/- 7.84 mgxh/L and 2653.06 +/- 7.78 mgxh/L, respectively. The geometric mean ratios (90% confidence interval) of the test formulation to the reference formulation for C-max and AUC(last) were 1.0715 (0.9469 - 1.2124) and 1.0592 (0.9592 - 1.1695), respectively. Conclusions: The new formulation of morniflumate 350-mg tablet showed a PK profile similar to that of the marketed formulation, and the results of this study fell within in the conventional criteria of bioequivalence.
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Key words
morniflumate, bioequivalence, pharmacokinetics
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