Roles of specific Plasmodium falciparum mutations in resistance to amodiaquine and sulfadoxine-pyrimethamine in Burkina Faso.


Dokomajilar, C; Lankoande, ZM; Dorsey, G; Zongo, I; Ouedraogo, JB; Rosenthal, PJ; (2006) Roles of specific Plasmodium falciparum mutations in resistance to amodiaquine and sulfadoxine-pyrimethamine in Burkina Faso. The American journal of tropical medicine and hygiene, 75 (1). pp. 162-5. ISSN 0002-9637

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Abstract

: We evaluated associations between key polymorphisms in target genes and responses to treatment with sulfadoxine-pyrimethamine (SP) or amodiaquine (AQ) for uncomplicated Plasmodium falciparum malaria in Bobo-Dioulasso, Burkina Faso. Presence of the dihydrofolate reductase (dhfr) 108N or 59R mutations (but not dhfr 51I or dihydropteroate synthetase [dhps] 437G) and P. falciparum chloroquine resistance transporter (pfcrt) 76T or P. falciparum multidrug resistance 1 (pfmdr1) 86Y or 1246Y mutations (but not pfmdr1 184F) predicted recrudescence after treatment with SP and AQ, respectively. Treatment led to significant increases in the prevalence of the same mutations (except 1246Y) in new infections that presented after therapy. The dhfr 164L and dhps 540E mutations were not seen in any isolates. These results clarify the key roles of a small number of mutations in P. falciparum resistance to SP and AQ in west Africa.<br/>

Item Type: Article
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
Research Centre: Malaria Centre
PubMed ID: 16837725
Web of Science ID: 238902600028
URI: http://researchonline.lshtm.ac.uk/id/eprint/4173

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