Molecule Discovered Which Could Lead To Powerful New Anti-Malaria Drugs

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Molecule Discovered Which Could Lead To Powerful New Anti-Malaria Drugs

Main Category: Tropical Diseases

Article Date: 22 Mar 2013

"The 4(1H)-quinolone-3- diarylethers are selective potent inhibitors of the parasite mitochondrial cytochrome bc1 complex," Professor Avery said.

"These compounds are highly active against the types of malaria parasites which infect humans, Plasmodium falciparum and Plasmodium vivax," she said.

"What is really exciting about this study is that a new class of drugs based on the 4(1H)-quinolone-3- diarylethers would target the malaria parasite at different stages of its lifecycle."

This provides the potential to not only kill the parasite in people who are infected, thus treating the clinical symptoms of the disease, but also to reduce transmission rates.

"Just one of these properties would be of great benefit but to achieve both would really make a difference in reducing the disease burden on developing nations," Professor Avery said.

"There is also the real possibility that we could begin to impact on the incidence and spread of malaria, bringing us closer to the ultimate goal of wiping out malaria altogether."

The selected preclinical candidate compound, ELQ-300, has been demonstrated to be very effective at blocking transmission in the mouse models.

There is a further benefit in that the predicted dosage in patients would be very low and it's expected that ELQ-300, which has a long half-life, would provide significant protection.

The development of a new chemical class of anti-malarial drugs is very timely as the parasite is becoming increasing resistance to treatments currently available

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