Comparative impacts over 5 years of artemisinin-based combination therapies on P. falciparum polymorphisms that modulate drug sensitivity in Ugandan children. Artemisinin-based combination therapies, including artemether-lumefantrine (AL) and dihydroartemisinin-piperaquine (DP), are recommended to treat uncomplicated falciparum malaria. Sensitivities to components of AL and DP are impacted by polymorphisms in pfmdr1 and pfcrt. We monitored changes in prevalences of polymorphisms in Tororo, Uganda from 2008-12.Methods. Polymorphic loci in pfmdr1 and pfcrt were characterized in samples from 312 children randomized to AL or DP for each episode of uncomplicated malaria (50 samples per arm for each three-month interval) utilizing a fluorescent microsphere assay.
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