Parsons Teresa L, Gwenden Kevin N, Marzinke Mark A
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Antimicrob Agents Chemother. 2020 Aug 20;64(9). doi: 10.1128/AAC.00930-20.
Tenofovir (TFV) alafenamide fumarate (TAF) is an antiretroviral that has been evaluated in alternative drug delivery systems in several species. The stability of TAF was evaluated, and TAF was stable in dog-, sheep-, and macaque-spiked plasma. A negative bias was observed in TAF recovery in rabbit-spiked plasma; there was complete loss of TAF and corresponding overestimation of TFV in rodent-spiked plasma. These data highlight considerations when evaluating TAF and TFV concentrations in preclinical studies.
替诺福韦艾拉酚胺富马酸盐(TAF)是一种抗逆转录病毒药物,已在多个物种的替代给药系统中进行了评估。对TAF的稳定性进行了评估,结果显示TAF在添加了犬、羊和猕猴血浆的样本中稳定。在添加了兔血浆的样本中,TAF回收率出现负偏差;在添加了啮齿动物血浆的样本中,TAF完全损失,同时相应地高估了替诺福韦(TFV)。这些数据突出了在临床前研究中评估TAF和TFV浓度时需要考虑的因素。
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