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| The hunt for an HIV vaccine has gobbled up $8 billion in the past decade, and the failure of the most recent efficacy trial has delivered yet another setback to 26 years of efforts. With the next attempts expected to be years away, top researchers now say there is a "void" or a "gap" in current clinical trial efforts to test whether avaccine may be safe and effective in people. A kind of ongoing autopsy of the last four major bids to make an HIV vaccine has informed the field as to what does not work, with the latest casualty being a trial called HVTN 505 that was halted early because it did not prevent HIV. "It leaves us with a gap in several years before we have another HIV vaccine efficacy trial under way, and that is unfortunate," said James Kublin, executive director of the HIV Vaccine Trials Network. CONTINUA A LEGGERE QUI http://m.medicalxpress.com/news/2013-05-ga...rts-latest.html |
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