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by amluto
324 days ago
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My general level of trust in the FDA to ask the right questions is low enough that I certainly don’t believe any argument of the form “if it’s good enough for the FDA, it’s good enough for me.” That being said, I would expect that the possibility of widespread occult infections with Truvada would be ruled out because such infections would be noticed quickly when a patient stops taking Truvada. But the newer PrEP drugs are much longer acting. Maybe the lack of occult infections with shorter acting drugs makes everyone confident that they won’t happen with longer acting drugs? Maybe the tests used are so sensitive that they would detect infections anyway? If nothing else, I would have expected the papers to have some discussion of the matter. |
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Previous experience is definitely part of it. It's not just Truvada, this isn't the first long acting injectable prep. Cabotegravir (integrate inhibitor) was approved 4 years ago for this use and is given every two months, so there's already information from how that was studied, approved and what's happened with several years of actual use.