Healthy Volunteers Clinical Trial
Official title:
Bioequivalence of Oral Formulations of Anastrozole in Healthy Chinese Volunteers Under Fed Condition: A Open-label, Randomized,Single- Dose,Two-period, Two-group, Crossover Study
An open-label, randomized, two-period, two-group, crossover study was conducted in 26 healthy Chinese volunteers under fed conditions to assess the bioequivalence between two formulations of Anastrozole.
Anastrozole is currently used as first-line treatment in locally advanced or metastatic breast cancer. A generic anastrozole tablet was developed to offer an alternative to the marketed tablet formulation.The aim of the current study was to evaluate the bioequivalence between the test and reference formulations of anastrozole in a single-dose, 2-period, 2-sequence crossover study with a 21-day washout interval. A total of 26 healthy Chinese female subjects were randomized to receive a single dose of 1.0-mg test and reference formulations of anastrozole within 30 min after beginning the consumption of a recommended high-fat, high-calorie breakfast (150 calories from protein, 250 calories from carbohydrate, and 500-600 calories from fat; total calories approximately 800-1000).This was repeated two times, separated by a 21-day washout period.Blood samples (3 mL) for pharmacokinetic analysis were collected predose and 20min, 40min, 1, 1.5, 2, 2h20min, 2h40min, 3, 3.5, 4, 4.5, 5, 7, 12, 24, 48 and 72 hours postdose and were determined by a fully validated high-pressure liquid chromatography-tandem mass spectrometry method. The evaluated pharmacokinetic parameters, including Cmax, AUC0-t, AUC0-∞,were assessed for bioequivalence based on current guidelines. ;
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