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Research: Duration of the mosquitocidal effect of ivermectin

October 23, 2012 - 15:43 -- Bart G.J. Knols
Author(s): 
Guido J.H. Bastiaens, Geert-Jan van Gemert, Jo Hooghof, Steve W. Lindsay, Chris Drakeley, Thomas S. Churcher, Jan Peter Verhave, Clemens H.M. Kocken, Robert W. Sauerwein, Teun Bousema
Reference: 
MWJ 2012, 3, 10

Ivermectin (IVM) reduces the lifespan of malaria-transmitting mosquitoes after feeding on humans treated with IVM but limited data are available on the exact duration of the mosquitocidal effect of IVM. Daily mosquito feeding assays were conducted to determine this. Mosquito mortality was 70-100% when mosquitoes fed on mice, rats, or cynomolgus monkeys 1-2 days after the last IVM administration. The findings reported here, of a pronounced but short-lived mosquitocidal effect, makes the timing of IVM administration crucial to form a useful addition to anti-malarial drugs.

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