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A Trial HIV Vaccine Triggered Elusive and Essential Antibodies in Humans

DURHAM, N.C. – An HIV vaccine candidate developed at the Duke Human Vaccine Institute triggered low levels of an elusive type of broadly neutralizing HIV antibodies among a small group of people enrolled in a 2019 clinical trial.The finding, reported May 17 in the journal Cell, not only provides proof that a vaccine can elicit these antibodies to fight diverse strains of HIV, but that it can also initiate the process within weeks, setting in motion an essential immune response.

“This work is a major step forward as it shows the feasibility of inducing antibodies with immunizations that neutralize the most difficult strains of HIV,” said senior author Barton F. Haynes, M.D., director of the Duke Human Vaccine Institute (DHVI). “To get a broadly neutralizing antibody, a series of events needs to happen, and it typically takes several years post-infection,” said lead author Wilton Williams, Ph.D., associate professor in Duke’s Department of Surgery and member of DHVI. In addition to Haynes and Williams, study authors include S. Munir Alam, Gilad Ofek, Nathaniel Erdmann, David Montefiori, Michael S. Seaman, Kshitij Wagh, Bette Korber, Robert J. Edwards, Katayoun Mansouri, Amanda Eaton, Derek W. Cain, Mitchell Martin, Robert Parks, Maggie Barr, Andrew Foulger, Kara Anasti, Parth Patel, Salam Sammour, Ruth J. Parsons, Xiao Huang, Jared Lindenberger, Susan Fetics, Katarzyna Janowska, Aurelie Niyongabo, Benjamin M. Janus, Anagh Astavans, Christopher B.

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