Placental transfer of medications to treat COVID-19, molnupiravir, favipiravir and nirmatrelvir/ritonavir, in the <i>ex vivo</i> human cotyledon model

Placental transfer was high for the nucleoside analogue favipiravir, while it was low for molnupiravir and low for the protease inhibitor nirmatrelvir but increased by ritonavir. Clinical data are required to confirm the placental transfer and determine the safety of COVID antivirals in pregnancy.

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Publication Details

Journal
Journal of Antimicrobial Chemotherapy
Published
2025-09-01
DOI
https://doi.org/10.1093/jac/dkaf302
Primary Topic
COVID-19 Impact on Reproduction
Type
article
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article

Placental transfer of medications to treat COVID-19, molnupiravir, favipiravir and nirmatrelvir/ritonavir, in the ex vivo human cotyledon model

Laurent Mandelbrot, Gilles Peytavin, Solene Labaye, Fatima Djellali
Journal of Antimicrobial Chemotherapy
COVID-19 Impact on Reproduction
article

Placental transfer of medications to treat COVID-19, molnupiravir, favipiravir and nirmatrelvir/ritonavir, in the ex vivo human cotyledon model

Laurent Mandelbrot, Gilles Peytavin, Solene Labaye, Fatima Djellali
article en

Abstract

Placental transfer was high for the nucleoside analogue favipiravir, while it was low for molnupiravir and low for the protease inhibitor nirmatrelvir but increased by ritonavir. Clinical data are required to confirm the placental transfer and determine the safety of COVID antivirals in pregnancy.

Journal of Antimicrobial ChemotherapyVol. 80(10)
Université Claude Bernard Lyon 1 (FR), Inserm (FR), Université Paris Cité (FR), Hôpital Louis-Mourier (FR), Sorbonne Paris Cité (FR), Ecologie & Evolution (FR), Hôpital Bichat-Claude-Bernard (FR)
Openalex Percentile: Top 71%
COVID-19 Impact on Reproduction
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