NIH Discontinues Immunizations in the HVTN 505 HIV Vaccine Study

The National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, will stop administering injections in its HVTN 505 clinical trial of an investigational HIV vaccine regimen because an independent data and safety monitoring board (DSMB) found during a scheduled interim review that the vaccine regimen did not prevent HIV infection nor reduce viral load (the amount of HIV in the blood) among vaccine recipients who became infected with HIV.

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