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** What’s Next for HIV Vaccines? Mosaico Study Webinar on Jan 25
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January 20, 2023

Dear Advocate,

On the heels of Wednesday’s announcement from ([link removed]) Janssen Pharmaceutical Company that the Mosaico HIV vaccine trial is ending for lack of efficacy, there’s much to learn and discuss.

Please join AVAC and the HIV Vaccine Trials Network (HVTN) ([link removed]) for a webinar on January 25th at 9am PST/12pm EST/6pm CET. The webinar will include study investigators and community representatives as we all discuss the outcome of the Mosaico study, what these results mean and next steps. Register here ([link removed]) .


The Mosaico study ([link removed]) , also known as HVTN 706/HPX3002 ([link removed]) , was the third large-scale vaccine efficacy study to conclude early for non-efficacy since 2020. Uhambo/HVTN 702 ([link removed]) and Imbokodo/HVTN 705 ([link removed]) were stopped in 2020 and 2021 respectively. One large-scale, Phase 2b trial known asPrEPVacc ([link removed]) is continuing, studying two vaccine regimens and two daily oral PrEP regimens (F/TAF and TDF/FTC) in men and women; expected completion in late 2024. In addition, several early phase trials using mRNA technology ([link removed]) have launched. It’s a field in transition.

This latest announcement raises critical questions about the direction of the essential work to develop an HIV vaccine. Understanding the results of the Mosaico study is central to this task. A vaccine strategy is vital for a durable end to the epidemic but a clear path is not in sight, and new longer-acting PrEP options, which hold promise to bring the world closer to controlling the epidemic, add to the complexity, the opportunities and challenges for HIV vaccine development.

To help navigate all of this, see our updated resources on the issue:

* AVAC’s statement on the Mosaico trial ([link removed])
* Years Ahead in Biomedical HIV Prevention Research (Detailed) ([link removed])
* Years Ahead in HIV Prevention Research (Simple) ([link removed])
* A Review of Pipeline of New HIV Prevention Options ([link removed])
* A Vaccine Factsheet ([link removed])


We look forward to hearing from you on the 25th ([link removed]) and working with you going forward.

Best,
AVAC

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