Optimized Combination Antimalarial Drug Therapy

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DESCRIPTION (provided by applicant): There is an immediate and dire need to rapidly identify and prioritize antimalarial drug combinations for clinical use. Combination therapy has the best chance of reducing the frequency at which new drug resistance phenomena emerge, and our preliminary data suggest that dozens of previously unrecognized drug combinations with high degrees of synergy can be rapidly identified by our new approach. We will leverage the considerable complementary expertise of five consortium laboratories to identify, prioritize and optimize novel combination drug therapy for drug resistant Plasmodium falciparum malaria. In this effort we will use state of the art high throughput screening capabilities of the National Center for Advanced Translational Science (NCATS), as well as a recently perfected in vitro apparatus that exposes P. falciparum to programmable, dynamically changing drug concentrations. We will also validate potentiation of both 48 hr parasite reduction and 28 day cure using an innovative pharmacodynamic mouse malaria model.