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Clinical Trial Summary

In Niger, malaria is a major public health problem. It is the main cause of morbidity and mortality among children. The management of malaria cases is based on the principle of early diagnosis and rapid treatment with effective drugs. It is confronted with the appearance of strains resistant to antimalarial drugs, hence the need to monitor antimalarial drug sensitivity. The study was conducted in three regions representing epidemiological strata of the country: Agadez (Centre de santé Intégré of Dagamanet in the Health district of Agadez), Maradi (Centre de santé intégré of Guindaoua in Tessaoua) and Dosso (Centre de santé Intégré centre in Gaya). The protocol used is the WHO standardized protocol of 2009. Artemether/Lumefantrine (AL) was administered with a 28-day follow-up in children aged 3 months to 15 years. A Polymerase Chain Reaction (PCR) correction is planned to differentiate between treatment failure and re-infestation as well as a study of genes responsible for resistance on the main drugs used.

Clinical Trial Description

The study took place from September 1 to October 31, 2020 at the time of peak malaria transmission. It took place at three sentinel sites of the National Malaria Control Program (NMCP). These were in the regions of i) Agadez at the Centre de Santé Intégré (CSI) of Dagamanet in the Agadez district, ii) Dosso at the CSI centre in the health district (HD) of Gaya iii) Maradi at the CSI Guindaoua in the HD of Tessaoua. These sites were identified by the NMCP because of their high attendance rate and belong to 3 different malaria epidemiological strata. As the treatment failure rate of artemether lumefantrine (AL) in the regions is unknown, 5% was chosen. With a confidence level of 95% and a precision around the estimate of 5%, a minimum of 73 patients were included. The number of patients was increased by 20% to account for possible dropouts and withdrawals during the 28/42 day follow-up period, 88 patients were included in the study per site. The study drug is oral AL. It is one of the four antimalarial drugs selected by the Niger's NMCP for the management of malaria. The product consists of blister packs of 6 tablets, box of 30 of lot number K U142 with an expiration date of January 2022 and blister packs of 12 tablets, box of 30 of lot number K U456 with an expiration date of January 2022. The AL combination was administered at a dose of 4 mg artemether and 24 mg lumefantrine per kg for three days. The AL was provided by the NMCP. The different prescriptions were as follows: - 5 to 15 Kg: 1 tablet, twice a day for three days. - 15 to 25 Kg: 2 tablets, twice a day for three days. - 25 to 35 kg: 3 tablets, twice a day for three days. - Over 35 kg: 4 tablets, twice a day for three days. The first day's intake was done under direct observation and possible side effects were noted. Any patient who persistently vomited after taking the medication was excluded from the study and treated with artesunate. Patients were followed up regularly until Day 28 and received a clinical examination with thick drop control and axillary temperature taking at Day 0, Day 1, Day 2, Day 3, Day 7, Day 14, Day 21, and Day 28. Capillary blood on filtered paper (Wattman) was routinely collected from all patients on the day of inclusion ( Day 0) and during follow-up for molecular analysis. For follow-up, the density of asexual parasite forms was assessed on the basis of 8 000 leukocytes per microliter of blood. All slides were read by two microscopists to ensure control. At the end of the follow-up, the response to treatment was classified according to clinical and parasitological criteria ;

Study Design

Related Conditions & MeSH terms

NCT number NCT05070520
Study type Interventional
Source Programme National de Lutte contre le Paludisme, Niger
Status Completed
Phase Phase 4
Start date September 1, 2020
Completion date October 28, 2020

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