More than third of malaria drugs are fake


More than a third of malaria drugs examined by scientists in Southeast Asia were fake, and a similar proportion analysed in Africa were below standard, doctors warned today. 
"These findings are a wake-up call demanding a series of interventions to better define and eliminate both criminal production and poor manufacturing of antimalarial drugs," said Joel Breman of the Fogarty International Center at the US National Institutes of Health (NIH).
Trawling through surveys and published literature, the researchers found that in seven Southeast Asian countries, 36 percent of 1,437 samples, from five categories of drugs were counterfeit. 
Thirty-per cent of the samples failed a test of their pharmaceutical ingredients. In 21 sub-Saharan countries, 20 per cent of more than 2,500 samples tested in six drug classes turned out to be falsified, and 35 per cent were below pharmaceutical norms. 
Sub-standard medications are a major problem in the fight against malaria, a disease which killed 655,000 people in 2010, according to the UN's World Health Organisation (WHO). 
Many of the drugs that are being faked or poorly manufactured are artemisin derivatives, the study said. This is a special worry, for artemisinins are the frontline treatment for malaria, replacing drugs to which the malaria parasite has become resistant. 
The study says there are many causes for the problem, ranging from widespread self-prescription of drugs to shoddy controls to monitor drug quality and prosecute counterfeiters.
"Poor-quality antimalarial drugs are very likely to jeopardise the unprecedented progress and investments in control and elimination of malaria made in the past decade," said Breman. 
Last month, the Institute of Health Metrics and Evaluation at the University of Washington in Seattle reported that artemisin-resistant malaria that was first spotted in Cambodia in 2006 has since surged 800 kilometers westward to the Thailand-Myanmar border.

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