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Malaria Control by Mass Drug Administration With Artemisinin Plus Piperaquine on Grande Comore Island, Union of Comoros. | LitMetric

AI Article Synopsis

Article Abstract

Background: Mass drug administration (MDA) is a powerful tool for malaria control, but the medicines to use, dosing, number of rounds, and potential selection of drug resistance remain open questions.

Methods: Two monthly rounds of artemisinin-piperaquine (AP), each comprising 2 daily doses, were administered across the 7 districts of Grande Comore Island. In 3 districts, low-dose primaquine (PMQ) was also given on the first day of each monthly round. malaria rates, mortality, parasitemias, adverse events, and genetic markers of potential drug resistance were evaluated.

Results: Average population coverages of 80%-82% were achieved with AP in 4 districts (registered population 258 986) and AP + PMQ in 3 districts (83 696). The effectiveness of MDA was 96.27% (95% confidence interval [CI], 95.27%-97.06%; < .00001) in the 4 AP districts and 97.46% (95% CI, 94.54%-98.82%; < .00001) in the 3 AP + PMQ districts. In comparative statistical modeling, the effectiveness of the 2 monthly rounds on Grande Comore Island was nearly as high as that of 3 monthly rounds of AP or AP + PMQ in our earlier study on Anjouan Island. Surveys of pre-MDA and post-MDA samples showed no significant changes in PfK13 polymorphism rates, and no PfCRT mutations previously linked to piperaquine resistance in Southeast Asia were identified.

Conclusions: MDA with 2 monthly rounds of 2 daily doses of AP was highly effective on Grande Comore Island. The feasibility and lower expense of this 2-month versus 3-month regimen of AP may offer advantages for MDA programs in appropriate settings.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10003749PMC
http://dx.doi.org/10.1093/ofid/ofad076DOI Listing

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