An interventional study of Artemether-lumefantrine (Coartem) in Malaria (Uncomplicated), sponsored by Centro de Investigacao em Saude de Manhica. Completed at 4 sites in Mozambique. Open to participants aged 6 Months to 11 Years. Per ClinicalTrials.gov, last updated 2025-05-14.
Sponsored by Centro de Investigacao em Saude de Manhica · Not applicable, Interventional, and Treatment
This is a classical in vivo clinical trial, following World Health organization's recommendations, ran as a multisite study within Mozambique trying to assess the efficacy and safety in four sites of artemether-lumefantrine (AL) combination for the treatment of uncomplicated malaria in children aged\<12 years. The goal of this study is to evaluate the clinical and parasitological efficacy of the study drug combinations in children aged between 6 - 143 months, suffering from uncomplicated P. falciparum malaria, by determining the proportion with early treatment failure (ETF), late clinical failure (LCF), late parasitological failure (LPF) or an adequate clinical and parasitological response (ACPR) as indicators of efficacy. The participants will take AL for three days and followed-up for 28 days.
Eligible patients were consecutively assigned to the cohort and treated with AL. AL (Coartem™) will be administered twice daily for three days (six doses in total) with dosage determined according to body weight: one tablet (20mg artemether and 120mg lumefantrine) for children 5 to \<15kg, two tablets per dose for those 15 to \<25kg, and three tablets per dose for those 25 to \<35kg. All treatments will be directly observed for a minimum of 30 minutes. Vomiting occurring within the first 30 minutes implied the repetition of the full dose of treatment. For those patients living far away from the health facilities, and for which direct observation of the evening doses of AL was challenging, admission was offered for the first three days of the study. Then after first four days, the patients were followed-up weekly ( clinical and laboratory assessment) until day 28.
1,299 studies on the registry are indexed under Malaria; 86 are open to participants now.
This study's enrollment of 352 is above the median of 220 across 1,027 interventional studies indexed under Malaria.
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Exclusion Criteria:
AL (Coartem™) will be administered twice daily for three days (six doses in total) with dosage determined according to body weight: one tablet (20mg artemether and 120mg lumefantrine) for children 5 to \<15kg, two tablets per dose for those 15 to \<25kg, and three tablets per dose for those 25 to \<35kg.
Drug: Artemether-lumefantrine (Coartem)
Eligible patients will be consecutively assigned to the four cohorts. Rescue therapy according to national malaria treatment guidelines will be also administered in cases of early or late treatment failure. Follow-up visits will take place on days 1, 2, 3, 7, 14,21 and 28 after enrolment or at any time point whenever the child is sick. Adverse events will be recorded and assessed for severity and association with study medication. Thick and thin Giemsa-stained blood slides will be prepared before each dose to be administered and at every follow-up visit of days 2, 3, 7, 14, 21, 28, 35 and 42. Blood samples for PCR analysis will be collected from every patient at baseline and at days 7, 14, 28, and 42 day of treatment failure or at any other unscheduled visit. To differentiate recrudescence from new infection by polymerase chain reaction (PCR) analysis.The Molecular markers associated with suboptimal response to ACTs will be investigated.
Measuring the Day 28, PCR corrected cure rates of artemether-lumefantrine.
This cure rate is defined as the proportion of patients with adequate clinical and parasitological response (ACPR) at Day 28, once PCR correction to differentiate recrudescences from new infections have been applied (and hence only considering as treatment failures those parasite recurrences confirmed as recrudescences).
Time frame: 28 days
To evaluate the incidence of adverse events
Safety was assessed by administering a questionnaire about the nature and incidence of adverse events and serious adverse events. An adverse event is defined as any unfavorable, unintended sign, symptom, syndrome or disease that develops or worsens with the use of a medicinal product, regardless of whether it is related to the medicinal product.
Time frame: 28 days
To evaluate the variation of the levels of haemoglobin during and after treatment
Haemoglobin levels were measured on Day 0, Day 14 and Day 28 using a haemoglobinometer and their levels were compared at these three points.
Time frame: 28 days
Measuring the Day PCR uncorrected cure rates of Artemether-Lumefantrine.
This cure rate is defined as the proportion of patients with adequate clinical and parasitological response (ACPR) at Day 28, without PCR correction to differentiate recrudescences from new infections and hence considering as treatment failures all parasite recurrences.
Time frame: 28 days
Evaluate the presence of Molecular Markers associated with sub optimum responses to ACTs
The presence of molecular marks is defined as presence of mutations in pfk13 and pfmdr1 (at codons 86, 184 and 1246) genes identified by Sanger sequencing of pre-treatment samples.
Time frame: 28 days
Plan to share: Undecided
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Centro de Investigacao em Saude de Manhica