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  • Title: Pharmacokinetics of anastrozole in Chinese male volunteers.
    Author: Yuan J, Wang PQ, Ge SR, An FR, Shi AG, Chen J, Liang JY.
    Journal: Acta Pharmacol Sin; 2001 Jun; 22(6):573-6. PubMed ID: 11747767.
    Abstract:
    AIM: To compare pharmacokinetics of domestic and imported tablets of anastrozole. METHODS: Twenty male Chinese volunteers were enrolled in a randomized crossover study with a single oral dose of 1 mg of the two formulations respectively. The anastrozole in plasma was measured by gas chromatography with electron-captured detector. Area under the drug concentration-time curve was evaluated by variance analysis and two one-side t-test. RESULTS: A two-compartment model was adopted in anastrozole plasma concentration-time data analysis. The paramaters such as Cmax, Tmax, T1/2beta, and AUC(0-infinity) were (10 +/- 3) and (10.2 +/- 2.5) microg/L, (1.2 +/- 0.5) and (1.3 +/- 0.4) h, (42 +/- 14) and (41 +/- 26) h, (443 +/- 141) and (429 +/- 121) microg . h . L-1, respectively, and there were no significant differences between the two formulations. CONCLUSION: Domestic and imported anastrozole were of bioequivalence. The relative bioavailability of the domestic tablet was 100 % +/- 9 %.
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