Pyrimethamine-sulfadoxine resistance in Plasmodium falciparum: What next?

Carol Hopkins Sibley*, John E. Hyde, Paul F.G. Sims, Christopher V. Plowe, James G. Kublin, Edward K. Mberu, Alan F. Cowman, Peter A. Winstanley, William M. Watkins, Alexis M. Nzila

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

327 Scopus citations

Abstract

Chemotherapy remains the only practicable tool to control falciparum malaria in sub-Saharan Africa, where >90% of the world's burden of malaria mortality and morbidity occurs. Resistance is rapidly eroding the efficacy of chloroquine, and the combination pyrimethamine-sulfadoxine is the most commonly chosen alternative. Resistant populations of Plasmodium falciparum were selected extremely rapidly in Southeast Asia and South America. If this happens in sub-Saharan Africa, it will be a public health disaster because no inexpensive alternative is currently available. This article reviews the molecular mechanisms of this resistance and discusses how to extend the therapeutic life of antifolate drugs.

Original languageEnglish
Pages (from-to)582-588
Number of pages7
JournalTrends in Parasitology
Volume17
Issue number12
DOIs
StatePublished - 1 Dec 2001
Externally publishedYes

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases

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