BSP Spring Meeting 2023
Schedule : Back to Colin Sutherland

Emerging parasite resistance in Africa - are we about to see a resurgence in falciparum malaria across the continent?

Fri14 Apr12:24pm(12 mins)
Where:
McEwan Hall
Speaker:
Colin Sutherland

Authors

CJ Sutherland2; DA van Schalkwyk2; S Pratt2; L Stewart2; D Nolder21 , ;  2 London School of Hygiene & Tropical Medicine, UK

Discussion

Clinical management of uncomplicated malaria caused by Plasmodium falciprum is reliant on the effectiveness of artemisinin-based combination therapy (ACT). New parasite genotypes encoding variants of the pfk13 gene are now emerging in Africa, and these are less susceptible to the artemisinin component drugs. This poses a risk of resistance selection against the partner drugs in ACT. Case histories from UK travellers with documented ACT treatment failure and field surveys of resistance gene variants will be presented, together with newly collected in vitro susceptibility data for parasites of African origin adapted to long-term culture in 2022. The implications of these findings for future drug strategies for African malaria chemotherapy, and management of imported UK cases, will be considered. Finally, we will consider the wider public health implications of a potential resurgence of artemisinin tolerant P. falciparum in Africa.

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Hosted By

British Society for Parasitology (BSP)

We are science based Charitable Incorporated Organisation

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