ArticleClinical pharmacokinetics2025
Maternal-Fetal Physiologically Based Population Pharmacokinetics Model Development of Lopinavir/Ritonavir in HIV/HBV Co-infected Pregnant Women to Quantitatively Describe the Gestational PK Characteristics and Predict the Potential Disease-Drug-Drug Interaction (DDDI).
Article in Clinical pharmacokinetics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND AND
objectiveLopinavir/ritonavir (LPV/r) has been widely used in HIV/HBV co-infected pregnant-women. We aim to characterize the maternal-fetal (m-f) pharmacokinetic (PK) of LPV/r and support the dose optimization and potential drug-drug interaction (DDI) evaluation in this population.
methodsLopinavir PK characteristics in human immunodeficiency virus/hepatitis B virus (HIV/HBV) co-infected pregnant women (n = 35) and fetus were calculated using non-compartmental analysis followed by quantification of maternal PK characteristics using population PK (PopPK) analysis. A maternal-fetal lopinavir physiologically based pharmacokinetic (PBPK) model was developed by incorporating trans-placental transfer, disease- and pregnancy-related physiological changes. This final population PBPK model was applied to simulate different dose regimens of LPV/r and potential DDI risks under different drug combination scenarios.
results(AUC
conclusionsThis work successfully applied model-informed approaches to quantitatively assess lopinavir m-f PK and also provided a novel strategy for DDI risk evaluation and dosing optimization for other P-gp substrates in HIV/HBV co-infected pregnant women.
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