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  • Title: Bioequivalence study of 2 orodispersible formulations of zolmitriptan 5 mg in healthy volunteers.
    Author: Cánovas M, Canals M, Polonio F, Cabré F.
    Journal: Arzneimittelforschung; 2012 Oct; 62(10):482-6. PubMed ID: 22918855.
    Abstract:
    A bioequivalence study of 2 zolmitriptan (CAS 139264-17-8) orodispersible tablet formulations was carried out in 26 healthy volunteers according to an open label, randomized, 2-period, 2-sequence, crossover, single dose and fasting conditions design. The test and reference formulations were administered in 2 treatment days, separated by a washout period of 7 days. Plasma concentrations of zolmitriptan and its active metabolite (N-desmethyl-zolmitriptan) were obtained by LC/MS/MS method. Log-transformed AUCs and Cmax values were tested for bioequivalence based on the ratios of the geometric means (test/reference). Tmax was analysed nonparametrically. The 90% confidence intervals of the geometric mean values for the test/reference ratios for AUC0-t and Cmax were within the bioequivalence acceptance range of 80-125%. According to the European Guideline 1 it may be therefore concluded that test formulation of zolmitriptan 5 mg orodispersible tablet is bioequivalent to the reference formulation.
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