Abstract
Introduction: Artemisinin-based combination therapies are the first-line antimalarial drugs used to treat uncomplicated Plasmodium falciparum malaria in many endemic countries worldwide. In Chad, since the adoption of artemisinin-based combination therapy (ACTs) in its first-line treatment policy for uncomplicated malaria in 2005, Artemether-Lumefantrine and Artesunate-Amodiaquine have been used in many hospitals and health centers. The main objective of this study was to provide the baseline data of Artemether-Lumefantrine and Artesunate-Amodiaquine efficacy in three regions where many people suffered from malaria disease. Material and Methods: The baseline efficacy of two combination therapies was evaluated between January and April 2020 in Mosoro, Mondou and Dourbali Provinces in Chad. A two-arm single cohort study was conducted to assess the clinical efficacy of artesunate-amodiaquine and artemether-lumefantrine for the treatment of 1113 children aged from 6 to 59 months with uncomplicated Falciparum malariae diagnosed by thick blood smear examination, using the World Health Organization validated protocol. Results: On day 3, all patients in both groups had cleared parasitemia, after treatment, the patients presented a higher hemoglobin level in both groups artemether-lumefantrine (10.97 ± 1.39) and artesunate-amodiaquine (11.87 ± 1.81), respectively. On day 28, all patients had adequate clinical and parasitological responses with 99.82% of artesunate-amodiaquine and 99.10% of artemether-lumefantrine. Overall, both drugs were well tolerated at the clinical and biological level, no late parasitological failures have been recorded in artemether-lumefantrine and artesunate-amodiaquine groups, also both forms of Artemisinin-based combination therapy were still effective and safe in the treatment of uncomplicated P. falciparum malaria in Chad.
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