Changing antimalarial drug resistance patterns identified by surveillance at three sites in Uganda.


Tumwebaze, P; Tukwasibwe, S; Taylor, A; Conrad, M; Ruhamyankaka, E; Asua, V; Walakira, A; Nankabirwa, J; Yeka, A; Staedke, SG; Greenhouse, B; Nsobya, SL; Kamya, MR; Dorsey, G; Rosenthal, PJ; (2016) Changing antimalarial drug resistance patterns identified by surveillance at three sites in Uganda. The Journal of infectious diseases. ISSN 0022-1899 DOI: 10.1093/infdis/jiw614

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Abstract

We assessed Plasmodium falciparum drug resistance markers in parasites collected in 2012, 2013, and 2015 at 3 sites in Uganda. The prevalence and frequency of parasites with mutations in putative transporters previously associated with resistance to aminoquinolines, but increased sensitivity to lumefantrine (pfcrt 76T; pfmdr1 86Y and 1246Y), decreased markedly at all sites. Antifolate resistance mutations were common, with apparent emergence of mutations (pfdhfr 164L; pfdhps 581G) associated with high level resistance. K13 mutations linked to artemisinin resistance were uncommon and did not increase over time. Changing malaria treatment practices have been accompanied by profound changes in markers of resistance.

Item Type: Article
Faculty and Department: Faculty of Infectious and Tropical Diseases > Dept of Clinical Research
Research Centre: Antimicrobial Resistance Centre (AMR)
PubMed ID: 28039354
URI: http://researchonline.lshtm.ac.uk/id/eprint/3363664

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