Journal article

Beyond malaria: can intermittent preventive treatment with sulphadoxine-pyrimethamine reduce the number of small vulnerable newborns globally?

HW Unger, R Ataide, ME Roh, A Rahman, RN Price, AM van Eijk, G Dorsey, FO Ter Kuile, SJ Rogerson

Lancet Global Health | Published : 2026

Abstract

Efforts to reduce the global burden of small vulnerable newborns (SVNs) by scaling up existing preventive interventions must be complemented with new preventive approaches to achieve global targets. Intermittent preventive treatment with sulphadoxine-pyrimethamine (IPTp-SP) was originally designed to protect pregnant women from malaria infection, but appears to retain efficacy against low birthweight even when Plasmodium infection is absent or the parasite is highly resistant to sulphadoxine-pyrimethamine. This specific effect might occur through the antimicrobial activity of sulphadoxine-pyrimethamine against maternal genitourinary tract infections and pathogenic gut bacteria, direct effect..

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