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genotype

Differential Impact of Nevirapine on Artemether-Lumefantrine Pharmacokinetics in Individuals Stratified by CYP2B6 c.516G>T Genotypes

February 24, 2020 - 13:42 -- Open Access
Author(s): 
Abdullahi ST, Soyinka JO, Olagunju A, Bolarinwa RA, Olarewaju OJ, Bakare-Odunola MT, Winterberg M, Tarning J, Owen A, Khoo S
Reference: 
Antimicrob Agents Chemother. 2020 Feb 21;64(3). pii: e00947-19

There is an increased recognition of the need to identify and quantify the impact of genetic polymorphisms on drug-drug interactions. This study investigated the pharmacogenetics of the pharmacokinetic drug-drug interaction between nevirapine and artemether-lumefantrine in HIV-positive and HIV-negative adult Nigerian subjects. Thirty each of HIV-infected patients on nevirapine-based antiretroviral therapy and HIV-negative volunteers without clinical malaria, but with predetermined CYP2B6 c.516GG and TT genotypes, were administered a complete treatment dose of 3 days of artemether-lumefantrine. Rich pharmacokinetic sampling prior to and following the last dose was conducted, and the plasma concentrations of artemether/dihydroartemisinin and lumefantrine/desbutyl-lumefantrine were quantified using tandem mass spectrometry.

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