Antimalarial Drug Resistance in Africa: the Calm Before the Storm?

Overview

Journal Lancet Infect Dis

Specialty Infectious Diseases

Date 2019 Aug 4

PMID 31375467

Citations 118

Authors

Melissa D Conrad

Philip J Rosenthal

Affiliations

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Abstract

Antimalarial drug resistance, in particular resistance to Plasmodium falciparum, challenges the treatment and control of malaria. In this Review, we summarise evolving patterns of antimalarial drug resistance in Africa. Resistance to aminoquinolines and antifolates is long-standing, yet with greatly decreased use of chloroquine to treat malaria, the prevalence of resistance to chloroquine has decreased. Resistance to antifolates, which are used to prevent malaria in some settings, remains widespread. Resistance to artemisinin-based combination therapies, the standard treatments for malaria in Africa, has emerged in southeast Asia. At present, resistance to artemisinins or key partner drugs included in combination therapies does not appear to be a substantial problem in Africa. However, emergence of resistance to artemisinin-based combination therapies in Africa would probably have devastating consequences, and continued surveillance for the emergence of resistance on this continent is a high priority.

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