Models and methods for predicting drug transfer into human milk |
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Authors: | Fleishaker Joseph C |
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Institution: | Clinical Pharmacology, Pharmacia 7215-24-205, 301 Henrietta Street, Kalamazoo, MI 49007, USA. joseph.c.fleishaker@pharmacia.com |
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Abstract: | Adverse effects in infants due to the ingestion of drugs and other xenobiotics remain an area of concern. A key parameter in assessing infant exposure via breast milk, the milk to plasma concentration ratio (M/P), has not been determined in vivo in humans for most drugs. There are various methods for predicting M/P, which involve in vitro experiments in mammary cell monolayers, assessment of drug binding to plasma and milk protein and lipid, in vivo experiments in animals, and regression models based on a compound's physicochemical characteristics. This article reviews these approaches in terms of their utility, advantages and disadvantages. Some combination of these methods is necessary for reasonably accurate prediction of M/P in humans. |
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