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BACKGROUND: The resistance of malaria parasites to sulphadoxine-pyrimethamine (SP) in 2007 led to the Malawi Ministry of Health changing to artemether-lumefantrine (AL) as first-line for uncomplicated malaria treatment. This study determined the efficacy and safety of AL for the treatment of uncomplicated Plasmodium falciparum malaria among six to 59 months old Malawian children. METHODS: This was a prospective study of children six to 59 months old treated with AL after presenting with uncomplicated malaria in the six health facilities in Malawi. The children were followed up on days 1, 2, 3, 7, 14, 21 and 28 days post-treatment and assessed for clinical and parasitological responses. The Kaplan Meier survival estimate was used to measure the efficacy of AL by calculating the cumulative risk of failure at day 28. RESULTS: A total of 322 children were recruited into the study across the six sites. The overall intention-to-treat (ITT) polymerase chain reaction (PCR)-corrected cure rate was 93.4%. Per protocol overall PCR-corrected cure rates for the study sites were; Karonga 98.0%, Kawale 97.4%, Machinga 90.2%, Mangochi 95.4% and Rumphi 91.3%. Nkhotakota study site had the lowest cure rate of 78.0%. CONCLUSIONS: There is evidence of good efficacy of AL in Malawi notwithstanding geographical contrasts and this supports the continued use of AL as the first-line treatment for uncomplicated malaria. However there may be need to further investigate the comparatively low efficacy rate found in Nkhotakota district in order to identify possible determinants of treatment failure.
Dambe et al. (Wed,) studied this question.