MALARIA IN THE AMAZON: THE ROLE OF PRIMAQUINE AND TAFENOQUINE AND THEIR ASSOCIATION WITH G6PD TESTING
Abstract
Malaria remains a major public health problem in the Brazilian Amazon, especially due to the high occurrence of Plasmodium vivax and the possibility of relapses caused by hepatic hypnozoites. This study analyzed the relevance of primaquine and tafenoquine in the radical cure of P. vivax malaria, with emphasis on the role of glucose-6-phosphate dehydrogenase (G6PD) testing in therapeutic safety. This is a critical literature review, with a descriptive and qualitative approach, based on scientific articles, books, manuals, and official documents retrieved from databases such as PubMed, SciELO, and the Brazilian Ministry of Health. Publications from 2017 to 2026 related to malaria epidemiology, antimalarial drugs, and G6PD deficiency were included. The findings indicate that primaquine and tafenoquine are essential for radical cure, but their use requires prior G6PD screening due to the risk of hemolytic anemia in deficient individuals. It is concluded that expanding access to G6PD testing is essential to ensure the safe use of these therapies and strengthen malaria control in the Amazon region.
Author Biographies
Undergraduate Student in Biomedical Sciences at the Metropolitan Faculty of Manaus (FAMETRO).
Undergraduate Student in Biomedical Sciences at the Metropolitan Faculty of Manaus (FAMETRO).
Undergraduate Student in Biomedical Sciences at the Metropolitan Faculty of Manaus (FAMETRO).
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