Clopidogrel sulfate CAS: [120202-66-6] productsSearch results for: Clopidogrel sulfate CAS: [120202-66-6]
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Bioequivalence study of clopidogrel bisulfate film-coated tablets.
The aim of the present study was to evaluate the bioequivalence of two clopidogrel (CAS 120202-66-6) formulations. The study was performed according to an open, cross-over design in one study center in 36 healthy male and female volunteers, comparing a new generic product (tablets containing clopidogrel bisulfate, 75 mg) with the originator product (reference). In each of the two study periods (separated by a wash-out of 7 days) a single dose of 150 mg (test or reference) was administered. Blood samples were taken up to 48 h post dose, the plasma was separated and the concentrations of clopidogrel were determined by an LC/MS/MS method. AUC0-inf, AUC0-t, Cmax, Tmax and T(1/2 el) were calculated for both formulations. The mean AUC0-inf, AUC0-t and Cmax were 29.94 ng x h/mL, 29.53 ng x h/mL and 7.386 ng/mL, respectively, for the test formulation and 29.24 ng x h/mL, 28.83 ng x h/mL and 7.921 ng/mL, respectively, for the reference formulation. The median Tmax for both formulations was 1.25 h. The point estimators of the ratios test/reference formulation for AUC0-inf, AUC0-t and Cmax were 101.17%, 101.13% and 90.96%, respectively. Furthermore, the 90% geometric confidence intervals of the mean ratio of In-transformed AUC0-inf and AUC0-t were narrow and symmetrical around 100%, i.e. from 96.38% to 106.21% for AUC0-inf and from 96.20% to 106.30% for AUC0-t, whereas the confidence interval for Cmax was 84.07% to 98.41%. In can be concluded that the two clopidogrel formulations (test formulation of clopidogrel bisulfate and reference formulation) are bioequivalent in terms of the rate and extent of absorption.Audrey Lainesse, Yildiz Ozalp, Hong Wong, Recep Serdar Alpan
