Abstract
Artemisinin combination therapies (ACT) represent the current standard of care in the treatment of uncomplicated malaria. The widespread adoption of ACT has been motivated by a desire to minimize the emergence of drug resistance and to address the problem of recrudescence associated with artemisinin monotherapy.1–4 We set out to explore a single-molecule ‘fragmenting hybrid’ strategy in which an artemisinin-like peroxide is employed to deliver a partner drug, only upon activation by ferrous iron in the parasite. In principle, iron(II)-dependent drug delivery from a fragmenting hybrid could alleviate unwanted off-target bioactivities of the partner drug, which would be inactive in its hybrid form.
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