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. 2021 Nov 15;106(2):648-654.
doi: 10.4269/ajtmh.21-0046.

Effectiveness and Community Acceptance of Extending Seasonal Malaria Chemoprevention to Children 5 to 14 Years of Age in Dangassa, Mali

Drissa Konaté  1 , Sory Ibrahim Diawara  1 , Bourama Keita  1 , Nafomon Sogoba  1 , Mahamadou Fayiçal  1 , Agnès Guindo  1 , Sibe Thiam  1 , Sékou Fantamady Traoré  1   2 , Jeffrey G Shaffer  3 , Seydou Doumbia  1   2 , Mahamadou Diakité  1   2
Affiliations

Effectiveness and Community Acceptance of Extending Seasonal Malaria Chemoprevention to Children 5 to 14 Years of Age in Dangassa, Mali

Drissa Konaté et al. Am J Trop Med Hyg. .

Abstract

Seasonal malaria chemoprevention (SMC) was adopted in Mali in 2012 for preventing malaria in children younger than 5 years. Although this strategy has been highly effective in reducing childhood malaria, an uptick in malaria occurrence has occurred in children 5 to 15 years of age. This study aimed to investigate the feasibility of providing SMC to older children. A cohort of 350 children age 5 to 14 years were monitored during the 2019 transmission season in Dangassa, Mali. The intervention group received five monthly rounds of sulfadoxine-pyrimethamine plus amodiaquine, whereas the control group consisted of untreated children. Community acceptance for extending SMC was assessed during the final round. Logistic regression models were applied to compare the risk of Plasmodium falciparum malaria infection, anemia, and fever between the intervention and control groups. Kaplan-Meier survival analyses were used to compare the time to P. falciparum parasitemia infection between the groups. The community acceptance rate was 96.5% (139 of 144). Significant declines were observed in the prevalence of P. falciparum parasitemia (adjusted odds ratio, 0.22; 95% CI, 0.11-0.42) and anemia (adjusted odds ratio, 0.15; 95% CI, 0.07-0.28) in the intervention group compared with the control group. The cumulative incidence of P. falciparum infections was significantly greater (75.4%, 104 of 138) in the control group compared with the intervention group (40.7%, 61 of 143, P = 0.001). This study reveals that expanding SMC to older children is likely feasible, has high community acceptance, and is in reducing uncomplicated malaria and anemia in older children.

Trial registration: ClinicalTrials.gov NCT04149106.

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Figures

Figure 1.
Figure 1.
Monthly follow-up of children during seasonal malaria chemoprevention, Dangassa, Mali.
Figure 2.
Figure 2.
Community acceptance of seasonal malaria chemoprevention, Dangassa, Mali. This figure appears in color at www.ajtmh.org.
Figure 3.
Figure 3.
Monthly prevalence of Plasmodium falciparum parasitemia. This figure appears in color at www.ajtmh.org.
Figure 4.
Figure 4.
Time to Plasmodium falciparum parasitemia infection. This figure appears in color at www.ajtmh.org.
See this image and copyright information in PMC

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