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Nobel-Winning Parasitic Drug ‘Tackles Malaria’
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Nobel-Winning Parasitic Drug ‘Tackles Malaria’

A parasitic worm-killing drug, whose discovery won the Nobel Prize, may also cut cases of malaria, say researchers.
Early data coming out of trials of Ivermectin in Burkina Faso suggest it leads to 16% fewer cases of childhood malaria, BBC News website reported.
Scientists at the American Society of Tropical Medicine and Hygiene’s conference said the drug was toxic to blood-drinking mosquitoes. They said their findings were still at an early stage.
Ivermectin is already used to kill parasitic worms, which affect a third of the world’s population and cause illnesses including river blindness and lymphatic filariasis. Its discovery won the 2015 Nobel Prize for Medicine.
Mosquitoes, which spread the malaria parasite, are weakened or die if they drink the blood of someone recently treated with Ivermectin.
The US Colorado State University and the Institut de Recherche en Sciences de la Santé in Burkina Faso are trying to see if it can be used to save lives. Eight villages are in the middle of a trial in which everyone in half of the villages are being given the drug every three weeks.
The campaign started in July and finishes next week, but an early analysis has been presented to the American Society of Tropical Medicine and Hygiene.

 Looking Good
Dr Brian Foy, from the Colorado State University, told the BBC: “The early signs are pretty good. Children in the treatment trial are getting less malaria.”
Scientists estimate that 94 bouts of malaria have been prevented in the 325 children in the villages being treated. The drug seems to kill both parasitic worms and mosquitoes in the same way - by attacking their nervous systems so they cannot control their muscles.
The fact that Ivermectin works on both mosquitoes and parasitic worms could be an opportunity to tackle both diseases. But it also raises the specter of the worms and mosquitoes becoming resistant to the drug if it was used more widely.
Foy concluded: “Resistance is certainly a concern, not only against worms, but also against the mosquitoes. There has never been an insecticide that mosquitoes haven’t evolved resistance to, so we’d have to be careful about that.”
Global deaths from malaria have fallen by 60% since 2010; however, this success is under threat by the rise of artemisinin-resistant malaria in Southeast Asia.

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