HIV infection gave a tantalizing hint of success, but a real answer must await a larger study due out next year.
The experiment, done in Africa, mainly showed that the drug Viread is safe when used for prevention. Fewer people given the drug caught the
AIDS virus than those given dummy pills, but so few in either group became infected that valid comparisons cannot be made, scientists said.
Still, 'it's incredibly encouraging,' said Dr. Helene Gayle, president of the antipoverty group CARE and co-chair of the International AIDS Conference in Toronto, where the results were released on Saturday.
If future studies show effectiveness, the drug 'would be an incredibly important new prevention tool that we should make available as soon as possible,' she said.
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