Since 2008, the French guidelines have promoted the systematic use of 30 mg/day of primaquine for the radical cure of Plasmodium vivax and Plamodium ovale infections. We observed three relapses in 10 patients with P vivax acquired in French Guiana. No relapses were seen in West African P ovale patients.
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http://dx.doi.org/10.1111/jtm.12009 | DOI Listing |
PLOS Glob Public Health
January 2025
Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand.
Background: The countries within the Greater Mekong Region of Southeast Asia have pledged to eliminate malaria by 2030. Elimination of Plasmodium vivax malaria is challenging as it requires radical cure to prevent relapse. Understanding and facilitating adherence to primaquine radical cure regimens is necessary for malaria elimination.
View Article and Find Full Text PDFLancet Infect Dis
January 2025
Institut Pasteur, Université Paris Cité, G5 Épidémiologie et Analyse des Maladies Infectieuses, Paris, France. Electronic address:
Background: Plasmodium vivax forms dormant liver stages (hypnozoites) that can reactivate weeks to months after primary infection. Radical cure requires a combination of antimalarial drugs to kill both the blood-stage and liver-stage parasites. Hypnozoiticidal efficacy of the liver-stage drugs primaquine and tafenoquine cannot be estimated directly because hypnozoites are undetectable.
View Article and Find Full Text PDFClin Infect Dis
January 2025
Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Manaus, Brazil.
Background: Daily primaquine-induced hemolysis is a common cause of complications during Plasmodium vivax malaria treatment in individuals with glucose 6-phosphate dehydrogenase deficiency (G6PDd). Alternative regimens balancing safety and efficacy are needed.
Methods: G6PDd participants with P.
Malar J
December 2024
Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Manaus, Brazil.
Background: To eliminate malaria by 2035, Brazil must address Plasmodium vivax. Previously, first-line treatment was chloroquine plus 7-day primaquine (PQ) without glucose-6-phosphate dehydrogenase (G6PD) deficiency testing. In 2021, point-of-care quantitative G6PD testing and single-dose tafenoquine (TQ) were piloted in two municipalities.
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