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- W2123026127 abstract "We aimed to compare the steady-state pharmacokinetic parameters and tolerability of Triomune 40 (stavudine 40 mg, lamivudine 150 mg and nevirapine 200 mg) and branded formulations of these drugs in HIV-infected Ugandans.This includes a randomized, open-label, cross-over study of HIV-infected patients stable on therapy for 1 month. Patients were randomized to generic or branded formulation. Plasma pharmacokinetics were assessed after 1 month. The following day, alternate formulation was administered, and 1 month later, drug pharmacokinetics were re-assessed. Plasma pharmacokinetics were determined using HPLC-UV detection. Similarity between steady-state pharmacokinetic parameters was assessed using the US Food and Drug Administration standards for bioequivalency testing. Tolerability was assessed using questionnaires.Sixteen (10 females) patients completed the study. Median (IQR) age, weight and CD4 count were 37 (33.7-40) years, 65 (63.4-66) kg and 292 (220.7-344.5) cells/mm(3), respectively. All patients received co-trimoxazole. The geometric mean ratio (90% CI) for stavudine, lamivudine and nevirapine was 0.92 (0.78-1.08), 1.11 (0.95-1.30) and 0.84 (0.64-1.11), respectively, for C(max), and 0.83 (0.70-0.97), 1.06 (0.94-1.20) and 0.88 (0.71-1.10), respectively, for AUC. Stavudine plasma concentrations were significantly lower for the generic formulation. Pharmacokinetic parameter inter-individual variability ranged from 29% to 99%. There were no differences in tolerability for the two formulations.Pharmacokinetic profiles of generic and branded drugs were similar. Differences particularly with regard to stavudine were demonstrated. Surveillance of the quality of generic antiretroviral drugs in the target populations is needed. Capacity building for pharmacokinetic research in resource-limited settings is a priority." @default.
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- W2123026127 date "2008-07-18" @default.
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- W2123026127 title "Steady-state pharmacokinetic comparison of generic and branded formulations of stavudine, lamivudine and nevirapine in HIV-infected Ugandan adults" @default.
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- W2123026127 doi "https://doi.org/10.1093/jac/dkn290" @default.
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