Clinical Trial Shows Ineffectiveness of Gel Intended to Reduce HIV Infection

Boston.com: HIV trial scrapped after gel found to be ineffective:

In a major setback for AIDS prevention research, a clinical trial of a new vaginal gel supposed to reduce HIV infections has been suspended after studies showed it to be ineffective.

Researchers from the Microbicide Trials Network, set up by the US National Institutes of Health (NIH), expressed surprise at the outcome as a previous study on a gel containing the drug tenofovir had shown encouraging results. . . .