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The findings are reported Thursday in the journal Science.
What happens in a lab doesn't necessarily work in people. Still, the findings were so compelling that two teams of U.S. researchers -- from the National Institutes of Health and New York's Montefiore Medical Center -- already are planning small patient studies in South Korea and South Africa. They hope to begin those studies later this year.
"It's very clever," said Dr. Anthony Fauci, director of NIH's National Institute of Allergy and Infectious Diseases. When one drug knocks out the TB microbe's defense, "that leaves the original drug with the capability of doing what it's supposed to be doing."
Copyright 2009 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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