An update on placental drug transport and its relevance to fetal drug exposure

Pregnant women are often complicated with diseases that require treatment with medication. Most drugs administered to pregnant women are off-label without the necessary dose, efficacy, and safety information. Knowledge concerning drug transfer across the placental barrier is essential for understand...

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Main Authors: Mao Qingcheng, Chen Xin
Format: Article
Language:English
Published: De Gruyter 2022-10-01
Series:Medical Review
Subjects:
Online Access:https://doi.org/10.1515/mr-2022-0025
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author Mao Qingcheng
Chen Xin
author_facet Mao Qingcheng
Chen Xin
author_sort Mao Qingcheng
collection DOAJ
description Pregnant women are often complicated with diseases that require treatment with medication. Most drugs administered to pregnant women are off-label without the necessary dose, efficacy, and safety information. Knowledge concerning drug transfer across the placental barrier is essential for understanding fetal drug exposure and hence drug safety and efficacy to the fetus. Transporters expressed in the placenta, including adenosine triphosphate (ATP)-binding cassette efflux transporters and solute carrier uptake transporters, play important roles in determining drug transfer across the placental barrier, leading to fetal exposure to the drugs. In this review, we provide an update on placental drug transport, including in vitro cell/tissue, ex vivo human placenta perfusion, and in vivo animal studies that can be used to determine the expression and function of drug transporters in the placenta as well as placental drug transfer and fetal drug exposure. We also describe how the knowledge of placental drug transfer through passive diffusion or active transport can be combined with physiologically based pharmacokinetic modeling and simulation to predict systemic fetal drug exposure. Finally, we highlight knowledge gaps in studying placental drug transport and predicting fetal drug exposure and discuss future research directions to fill these gaps.
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spelling doaj.art-ecdf6a6f921244f4bdec2039cd63c5b02023-04-11T17:07:17ZengDe GruyterMedical Review2749-96422022-10-012550151110.1515/mr-2022-0025An update on placental drug transport and its relevance to fetal drug exposureMao Qingcheng0Chen Xin1Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, Washington, USADepartment of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, Washington, USAPregnant women are often complicated with diseases that require treatment with medication. Most drugs administered to pregnant women are off-label without the necessary dose, efficacy, and safety information. Knowledge concerning drug transfer across the placental barrier is essential for understanding fetal drug exposure and hence drug safety and efficacy to the fetus. Transporters expressed in the placenta, including adenosine triphosphate (ATP)-binding cassette efflux transporters and solute carrier uptake transporters, play important roles in determining drug transfer across the placental barrier, leading to fetal exposure to the drugs. In this review, we provide an update on placental drug transport, including in vitro cell/tissue, ex vivo human placenta perfusion, and in vivo animal studies that can be used to determine the expression and function of drug transporters in the placenta as well as placental drug transfer and fetal drug exposure. We also describe how the knowledge of placental drug transfer through passive diffusion or active transport can be combined with physiologically based pharmacokinetic modeling and simulation to predict systemic fetal drug exposure. Finally, we highlight knowledge gaps in studying placental drug transport and predicting fetal drug exposure and discuss future research directions to fill these gaps.https://doi.org/10.1515/mr-2022-0025adenosine triphosphate-binding cassette transportersfetal drug exposurephysiologically based pharmacokinetic modeling and simulationplacental drug transportsolute carrier transporters
spellingShingle Mao Qingcheng
Chen Xin
An update on placental drug transport and its relevance to fetal drug exposure
Medical Review
adenosine triphosphate-binding cassette transporters
fetal drug exposure
physiologically based pharmacokinetic modeling and simulation
placental drug transport
solute carrier transporters
title An update on placental drug transport and its relevance to fetal drug exposure
title_full An update on placental drug transport and its relevance to fetal drug exposure
title_fullStr An update on placental drug transport and its relevance to fetal drug exposure
title_full_unstemmed An update on placental drug transport and its relevance to fetal drug exposure
title_short An update on placental drug transport and its relevance to fetal drug exposure
title_sort update on placental drug transport and its relevance to fetal drug exposure
topic adenosine triphosphate-binding cassette transporters
fetal drug exposure
physiologically based pharmacokinetic modeling and simulation
placental drug transport
solute carrier transporters
url https://doi.org/10.1515/mr-2022-0025
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