Highly subsidized first-line antimalarials (artemisinin combination therapy or ACT) are available over the counter in the private retail sector in most malaria-endemic countries. Overconsumption of ACTs purchased over the counter is rampant due to their low price, high perceived efficacy, and absence of diagnostic tools to guide drug use. The ultimate goal of the proposed work is to improve antimalarial stewardship in the retail sector, which is responsible for distributing the majority of antimalarials in sub-Saharan Africa. Through a combination of diagnosis and treatment subsidies and provider-directed incentives, this approach will align provider and customer incentives with appropriate case management and thereby improve health outcomes. The main objective of this study (Aim 2) is to test two key interventions in a random sample of private medicine retail outlets in Kenya. This will be a cluster-randomized controlled trial where the cluster is a private retail outlet that stocks and sells WHO quality-assured ACTs. This three-arm study will test 1) a consumer-directed intervention in the form of a diagnosis-dependent ACT subsidy, 2) both a provider-directed incentive for testing and a client-directed intervention in combination against 3) a comparison arm. Outlets in all three arms will offer malaria diagnostic testing to customers who wish to purchase one. Information for the primary and secondary outcomes will be collected during exit interviews with eligible customers. The primary outcome will be the proportion of ACTs sold to customers with a positive diagnostic test. The main secondary outcome will be the proportion of suspected malaria cases presenting to the retail outlet that are tested. Other secondary outcomes include adherence to the RDT result amongst those tested (defined as taking a quality-assured ACT following a positive test and refraining from taking an ACT following a negative test) and appropriate case management for all suspected malaria cases (proportion tested and adhered among all suspected cases).
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ACT (Artemisinin Combination Therapy) Consumption by True Malaria Cases
Timeframe: Day of enrollment