Last Updated on September 1, 2021 by The Health Master
Johnson & Johnson said on Tuesday its experimental vaccine failed to provide enough protection against HIV in sub-Saharan Africa to young women who are at high risk of being infected.
The mid-stage trial failure highlights the challenges of vaccine development, especially for HIV or human immunodeficiency virus, which has no approved vaccines.
“HIV is a unique and complex virus that has long posed unprecedented challenges for vaccine development because of its ability to attack, hijack and evade the human immune system,” Paul Stoffels, Johnson & Johnson ‘s chief scientific officer, said in a statement.
The study testing the vaccine included the participation of 2,600 women across five Southern African countries, where women and girls accounted for over 60% of all new HIV infections last year.
The trial of the vaccine, which is based on the adenovirus design which Johnson & Johnson ‘s C-19 vaccine also uses, was supported by the U.S. the National Institute of Allergy and Infectious Diseases and the Bill & Melinda Gates Foundation.
The study will not continue, based on the data, Johnson & Johnson said. Participants in the study will be informed about the results and told whether they received a placebo or the vaccine.
Johnson & Johnson said it is studying the safety and efficacy of a different composition of the vaccine regimen among men who have sex with men and transgender persons.
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