At a glance
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An Open-label Individually Randomised Controlled Trial to Assess the Efficacy of Artemether-lumefantrine Prophylaxis for Malaria Among Forest Goers in Cambodia
In Brief
A clinical study evaluating Artemether-lumefantrine and Multivitamin for Malaria. Completed, enrolled 1,480 participants across 2 sites.
Detailed Summary
In the Greater Mekong Subregion (GMS) adults are at highest risk for malaria. The most relevant disease vectors bite during daytime and outdoors which makes forest work a high-risk activity for malaria. The absence of effective vector control strategies and limited periods of exposure during forest visits suggest that chemoprophylaxis could be an appropriate strategy to protect forest workers against malaria. The investigators propose the use of Artemether-lumefantrine (AL), a drug whose efficacy remains high in the GMS, unlike, for example DHA/piperaquine \[20\]. The proposed study will help to assess the efficacy and feasibility of prophylaxis to prevent malaria in forest workers, help to identify the optimal regimen, and predict its efficacy in reducing overall transmission. The proposed study is a critical step for future use of chemoprophylaxis to protect forest workers in the GMS against malaria. Funder: Wellcome Trust of Great Britain grant number 106698/Z/14/Z and 220211.
Study Details
Timeline
Interventions
One tablet AL contains 20 mg artemether and 120 mg lumefantrine The prophylaxis will start with a 3-day course of twice daily AL. This will be followed by 2 doses 8 hours apart on one day per week for up to 3 28-35 day consecutive follow-up periods and for 4 weeks after leaving the forest.
One tablet contains Vitamin-A : 5000 USP units, Vitamin D: 400 USP Units, Ascorbic acid: 75 mg, Thiamine Mononitrate: 2 mg, Riboflavin: 3 mg, Niacin amide: 20 mg. The prophylaxis will start with a 3-day course of twice daily AL. This will be followed by 2 doses 8 hours apart on one day per week for up to 3 28-35 day consecutive follow-up periods and for 4 weeks after leaving the forest.