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Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-.

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Drugs and Lactation Database (LactMed) [Internet].

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Sotrovimab

Last Revision: July 18, 2022.

Estimated reading time: 1 minute

CASRN: 2423014-07-5

Drug Levels and Effects

Summary of Use during Lactation

Sotrovimab is a monoclonal antibody directed against the SARS-CoV-2 virus that causes COVID-19. No information is available on the clinical use of sotrovimab during breastfeeding. Because sotrovimab is a large protein molecule, the amount in milk is likely to be very low. It is also likely to be partially destroyed in the infant's gastrointestinal tract and absorption by the infant is probably minimal. Similar anti-SARS-CoV-2 monoclonal antibodies were used during pregnancy and lactation in one mother with no adverse consequences.[1] Until more data become available, sotrovimab should be used with caution during breastfeeding, especially while nursing a newborn or preterm infant.

Drug Levels

Maternal Levels. Relevant published information was not found as of the revision date.

Infant Levels. Relevant published information was not found as of the revision date.

Effects in Breastfed Infants

Relevant published information was not found as of the revision date.

Effects on Lactation and Breastmilk

Relevant published information was not found as of the revision date.

Alternate Drugs to Consider

Nirmatrelvir, Remdesevir, Bebtelovimab

References

1.
Ogawa E, Goto H, Ushimaru H, et al. Vaginal delivery after improvement in COVID-19 by monoclonal antibody treatment: A case report and literature review. J Infect Chemother. 2022;28:982–6. [PMC free article: PMC8898669] [PubMed: 35288022]

Substance Identification

Substance Name

Sotrovimab

CAS Registry Number

2423014-07-5

Drug Class

Breast Feeding

Lactation

Milk, Human

Antibodies, Monoclonal, Humanized

Antibodies, Viral

Antiviral Agents

Disclaimer: Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.

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