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Recent studies in Africa showed decreased all-cause mortality in children after mass administration of azithromycin (e.g., NEJM JW Infect Dis Jul 2018 and N Engl J Med 2018; 378:1583). Could similar benefit be achieved by adding azithromycin to seasonal malaria chemoprophylaxis given monthly during malaria-transmission season?
In a double-blind trial, investigators in Burkina Faso and Mali randomly assigned almost 20,000 children aged 3 to 59 months to azithromycin or placebo (identical appearance) along with sulfadoxine-pyrimethamine plus amodiaquine given for malaria chemoprophylaxis. Drugs were given daily for 3 days each month during August through November for three transmission seasons. Similarly large proportions of each group used in…