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Gynecol Oncol. 2010 Dec;119(3):594-600. doi: 10.1016/j.ygyno.2010.08.019. Epub 2010 Sep 17.

Transplacental transfer of anthracyclines, vinblastine, and 4-hydroxy-cyclophosphamide in a baboon model.

Author information

1
Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University Hospital Gasthuisberg, Katholieke Universiteit Leuven, Belgium.

Abstract

OBJECTIVE:

The paucity of data on the fetal effects of prenatal exposure to chemotherapy prompted us to study transplacental transport of chemotherapeutic agents.

METHODS:

Fluorouracil-epirubicin-cyclophosphamide (FEC) and doxorubicin-bleomycin-vinblastine-dacarbazine (ABVD) were administered to pregnant baboons. At predefined time points over the first 25 h after drug administration, fetal and maternal blood samples, amniotic fluid (AF), urine, fetal and maternal tissues, and cerebrospinal fluid (CSF) were collected. High-performance liquid chromatography (HPLC) and liquid chromatography-mass spectrometry (LC-MS) were used for bioanalysis of doxorubicin, epirubicin, vinblastine, and cyclophosphamide.

RESULTS:

In nine baboons, at a median gestational age of 139 days (range, 93-169), FEC 100% (n = 2), FEC 200% (n=1), ABVD 100% (n = 5), and ABVD 200% (n = 1) were administered. The obtained ratios of fetal/maternal drug concentration in the different simultaneously collected samples were used as a measure for transplacental transfer. Fetal plasma concentrations of doxorubicin and epirubicin averaged 7.5 ± 3.2% (n = 6) and 4.0 ± 1.6% (n = 8) of maternal concentrations, respectively. Fetal tissues contained 6.3 ± 7.9% and 8.7 ± 8.1% of maternal tissue concentrations for doxorubicin and epirubicin, respectively. Vinblastine concentrations in fetal plasma averaged 18.5 ± 15.5% (n=9) of maternal concentrations. Anthracyclines and vinblastine were neither detectable in maternal nor in fetal brain/CSF. 4-Hydroxy-cyclophosphamide concentrations in fetal plasma and CSF averaged 25.1 ± 6.3% (n = 3) and 63.0% (n = 1) of the maternal concentrations, respectively.

CONCLUSION:

This study shows limited fetal exposure after maternal administration of doxorubicin, epirubicin, vinblastine, and 4-hydroxy-cyclophosphamide.

PMID:
20846713
DOI:
10.1016/j.ygyno.2010.08.019
[Indexed for MEDLINE]

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