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Patient recruitment is on-track in the Oxford-led DeTACT trial of safe, effective drug combinations to prevent the spread of artemisinin and multi-drug resistant malaria in Africa.

A mosquito

The global fight against malaria is at a critical point. Overall progress has now stalled and even worsened in some countries in Africa, where most of the world’s 627,000 deaths from malaria occurred in 2020.

The situation is becoming grave with recent studies confirming the growing prevalence in Rwanda and Uganda of P. falciparum malaria parasites partially resistant to artemisinins, which are the most important frontline anti-malaria drugs.

No new antimalarial drugs are expected in the near future. If multi-drug resistant falciparum malaria becomes established in East Africa and spreads to other parts of Africa, it is soon likely to compromise the efficacy of artemisinin-based combination therapies or ACTs — putting millions of Africans at risk of drug-resistant malaria infection and death.

The WHO has said this 'independent emergence of artemisinin partial resistance in the African Region is of great global concern.'

One possible solution — new drug combinations with artemisinins and two other frequently used antimalarial drugs (Triple ACTs or TACTs) — was found in 2020 by the large multi-centre, multi-country TRAC2 study to be highly efficacious even in places where ACTs were failing.

Before TACTs could be widely deployed to control artemisinin-resistance in Africa, however, their efficacy, safety and tolerability would first need to be confirmed in African populations, especially children.

Led by University of Oxford-affiliated researchers based in Bangkok at the Mahidol-Oxford Tropical Medicine Research Unit (MORU), the Developing Triple Artemisinin-based Combination Therapies (DeTACT) trial is currently studying in eight African and three Asian countries two new TACTs to generate evidence that they are effective first-line malaria treatments and support their deployment in Africa to prevent or delay the emergence of artemisinin and multi-drug resistant malaria in Africa.

Read the full story on the University of Oxford website. 

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