A literature review of drug transport mechanisms during lactation

Abstract Despite the benefits of breastfeeding, lactating mothers who take prescribed medications may discontinue breastfeeding due to concerns associated with infant drug exposure in breastmilk. Consolidating the current knowledge of drug transport to breastmilk may inform understanding of the safe...

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Main Authors: Christine Gong, Lynn N. Bertagnolli, David W. Boulton, Paola Coppola
Format: Article
Language:English
Published: Wiley 2024-11-01
Series:CPT: Pharmacometrics & Systems Pharmacology
Online Access:https://doi.org/10.1002/psp4.13195
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author Christine Gong
Lynn N. Bertagnolli
David W. Boulton
Paola Coppola
author_facet Christine Gong
Lynn N. Bertagnolli
David W. Boulton
Paola Coppola
author_sort Christine Gong
collection DOAJ
description Abstract Despite the benefits of breastfeeding, lactating mothers who take prescribed medications may discontinue breastfeeding due to concerns associated with infant drug exposure in breastmilk. Consolidating the current knowledge of drug transport to breastmilk may inform understanding of the safety of medication use during lactation. This literature review summarizes the mechanisms of drug transport to breastmilk, details the physicochemical drug properties that may alter the extent of passive transport, and describes the expressional changes in mammary drug transporters that may affect active transport. During the period of 20 July 2023 to 11 August 2023, PubMed® was searched to identify journal articles pertinent to the mechanisms of drug transport from maternal plasma to breastmilk and the expression of mammary drug transporters during lactation. From the 28 studies included in this review, four mechanisms were identified for transporting drugs from maternal plasma to breastmilk: passive transport, active transport, lipid co‐transport, and transcytosis. The lactational expression of 20 drug transporters was further summarized, with 9 transporters demonstrating downregulated expression during lactation and 11 transporters demonstrating upregulated expression during lactation. Understanding the mechanisms of drug transport to breastmilk may aid in estimating infant drug exposure, developing physiologically based pharmacokinetic (PBPK) models that describe drug transfer, and initiating clinical drug development programs in the lactating population.
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spelling doaj-art-c5fcf197f63a4f0a9d2e92fe10b1710d2024-11-20T17:18:44ZengWileyCPT: Pharmacometrics & Systems Pharmacology2163-83062024-11-0113111870188010.1002/psp4.13195A literature review of drug transport mechanisms during lactationChristine Gong0Lynn N. Bertagnolli1David W. Boulton2Paola Coppola3University of Pittsburgh School of Pharmacy Pittsburgh Pennsylvania USAClinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences R&D, AstraZeneca LP Gaithersburg Maryland USAClinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences R&D, AstraZeneca LP Gaithersburg Maryland USAClinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences R&D Cambridge UKAbstract Despite the benefits of breastfeeding, lactating mothers who take prescribed medications may discontinue breastfeeding due to concerns associated with infant drug exposure in breastmilk. Consolidating the current knowledge of drug transport to breastmilk may inform understanding of the safety of medication use during lactation. This literature review summarizes the mechanisms of drug transport to breastmilk, details the physicochemical drug properties that may alter the extent of passive transport, and describes the expressional changes in mammary drug transporters that may affect active transport. During the period of 20 July 2023 to 11 August 2023, PubMed® was searched to identify journal articles pertinent to the mechanisms of drug transport from maternal plasma to breastmilk and the expression of mammary drug transporters during lactation. From the 28 studies included in this review, four mechanisms were identified for transporting drugs from maternal plasma to breastmilk: passive transport, active transport, lipid co‐transport, and transcytosis. The lactational expression of 20 drug transporters was further summarized, with 9 transporters demonstrating downregulated expression during lactation and 11 transporters demonstrating upregulated expression during lactation. Understanding the mechanisms of drug transport to breastmilk may aid in estimating infant drug exposure, developing physiologically based pharmacokinetic (PBPK) models that describe drug transfer, and initiating clinical drug development programs in the lactating population.https://doi.org/10.1002/psp4.13195
spellingShingle Christine Gong
Lynn N. Bertagnolli
David W. Boulton
Paola Coppola
A literature review of drug transport mechanisms during lactation
CPT: Pharmacometrics & Systems Pharmacology
title A literature review of drug transport mechanisms during lactation
title_full A literature review of drug transport mechanisms during lactation
title_fullStr A literature review of drug transport mechanisms during lactation
title_full_unstemmed A literature review of drug transport mechanisms during lactation
title_short A literature review of drug transport mechanisms during lactation
title_sort literature review of drug transport mechanisms during lactation
url https://doi.org/10.1002/psp4.13195
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