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Low-dose treatment may block malaria transmission
Date:11/14/2013

linical research fellow, said: "Until now, the use of primaquine was limited because of safety concerns, but lower doses had never been tested formally. These findings, that efficacy is retained at a lower dose, imply that primaquine could play an important role in malaria elimination programmes. We now need to evaluate the safety of low-dose primaquine in G6PD-deficient individuals. More questions remain to be answered regarding the best operational strategy for the deployment of primaquine to block malaria transmission."

Co-author Professor Chris Drakeley, Director of the London School of Hygiene & Tropical Medicine's Malaria Centre, said: "This work is a crucial step in the evaluation of primaquine as a malaria transmission blocking intervention. Further work is needed to show reduced infectivity to mosquitoes and to confirm the improved safety of these lower doses."

Professor Moses Kamya of the Infectious Disease Research Collaboration in Kampala, Uganda noted: "This study provides important contemporary information that allows malaria control programmes in endemic countries in Africa to consider the use of primaquine as part of their efforts to deal with this killer disease."


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Contact: Katie Steels
press@lshtm.ac.uk
44-020-792-92802
London School of Hygiene & Tropical Medicine
Source:Eurekalert

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