Last data update: Sep 30, 2024. (Total: 47785 publications since 2009)
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Query Trace: Laury JE[original query] |
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Efficacy and safety of artemether-lumefantrine against uncomplicated falciparum malaria infection in Tanzania, 2022, a single arm clinical trial
Laury JE , Mugittu K , Kajeguka DC , Kamugisha E , Ishengoma DS , Mandara CI , Ngasala B , Chiduo MG , Mahende MK , Kitau J , Ahmed MM , Mkumbaye SI , Francis F , Chacky F , Warsame M , Serbantez N , Kitojo C , Reaves EJ , Bishanga DR , Bajic M , Kabula BI , Muro F , Kavishe RA . J Infect Dis 2024 BACKGROUND: Artemether-lumefantrine (AL) is the first line anti-malarial drug for the treatment of uncomplicated malaria in Tanzania. The World Health Organization (WHO) recommends regular efficacy monitoring of anti-malarial drugs to inform case management policy decisions. This study assessed the safety and efficacy of AL for treating uncomplicated P. falciparum malaria in Tanzania in 2022. METHODS: Children 6 months to 10 years with uncomplicated P. falciparum malaria were recruited from four sentinel sites and treated with the standard 6 dose, 3-day regimen for AL. Clinical and parasitological responses were monitored for 28 days using the WHO standard protocol. Genotyping based on msp1, msp2 and glurp was used to distinguish recrudescence from reinfection. SANGER sequencing was used to detect K13 mutations. RESULTS: 352 participants, 88 per site, were enrolled. Four withdrew and 55 experienced parasite recurrence. The PCR corrected Kaplan-Meier efficacies were, 89.9% in Pwani, 95.0% in Kigoma, 94.4% in Tanga, and 98.9% in Morogoro. No K13 mutations were found. CONCLUSIONS: Artemether-lumefantrine remains highly efficacious in three regions of Tanzania but the PCR-corrected efficacy in Pwani fell below the WHO-defined 90% threshold at which policy change is recommended. Implementing strategies to diversify ACTs to ensure effective case management in Tanzania is critical. |
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