volume 53, issue 3, P329-339 1993
DOI: 10.1038/clpt.1993.29
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Abstract: This study defines human placental transport of cocaine and its two minor, but pharmacologically active, metabolites--norcocaine and cocaethylene. The experimental system was the single, isolated perfused cotyledon of a normal term human placenta, and antipyrine served as a freely diffusible marker. Cocaine was transferred rapidly by the placenta at a rate about 80% that of antipyrine. The transfer had characteristics of passive transport consistent with the high lipid solubility of the drug. We found no evide…

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