Placental transfer of tyrosine kinase inhibitors used for chronic myeloid leukemia treatmentстатья

Информация о цитировании статьи получена из Scopus, Web of Science
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Дата последнего поиска статьи во внешних источниках: 4 января 2018 г.

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[1] Placental transfer of tyrosine kinase inhibitors used for chronic myeloid leukemia treatment / E. Chelysheva, A. Turkina, E. Polushkina et al. // Leukemia & lymphoma. — 2017. — P. 1–6. Both favorable pregnancy outcomes and fetal abnormalities have been associated with the use of tyrosine kinase inhibitors (TKIs) during pregnancy. The placental transfer of TKIs in humans is poorly understood. We observed women with chronic myeloid leukemia who used imatinib or nilotinib during the late pregnancy stages. The newborns had no birth abnormalities. We evaluated the drug concentrations in maternal blood, umbilical cord blood, and placental samples collected during labor. We found limited placental transfer of the TKIs. The fetal/maternal concentration ratio ranged from 0.5 to 0.58 for nilotinib and from 0.05 to 0.22 for imatinib. The placental/maternal ratio was higher for imatinib than for nilotinib. Theoretical pharmacokinetic modeling of passive placental crossing was insufficient to predict the in vivo data because the calculated fetal/maternal ratio was close to 1 for both drugs. We propose that active placental transport contributes to fetal protection against TKI exposure during pregnancy. [ DOI ]

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