PrEP

HIV-positive participant in vaccine study passes virus to sexual partner during treatment interruption

HIV-positive participant in vaccine study passes virus to sexual partner during treatment interruption An HIV-positive man transmitted HIV to his sexual partner after interrupting antiretroviral therapy as part of a research study into a therapeutic vaccine, French scientists reported in the Journal of Infectious Diseases last week. The case report underlines the importance of participants […]

Transgender women taking PrEP have lower levels of PrEP drugs, especially in rectal tissues, than cisgender men

Craig Hendrix at HIVR4P 2018. Photo by Roger Pebody. Gus Cairns Published: 09 November 2018 Difference “equivalent to four days of PrEP per week rather than seven” A study presented at last month’s HIV Research for Prevention conference (HIVR4P) in Madrid shows that transgender women who are taking feminising hormones and also taking pre-exposure prophylaxis […]

US doctors’ organization endorses event-based PrEP for the first time

US doctors’ organization endorses event-based PrEP for the first time For the first time, a US-based professional HIV body has published guidelines endorsing event-based or so-called ‘on-demand’ pre-exposure prophylaxis (PrEP) as an alternative to daily dosing. The International Antiviral Society-USA (IAS-USA) released its 2018 recommendations during the International AIDS Conference in Amsterdam, but there was […]

How much ‘PrEP-resistant’ HIV is out there?

  Gus Cairns A study presented at the recent 25th Conference on Retroviruses and Opportunistic Infections (CROI 2018) aims to quantify how many people with HIV there might be in the community who both have a detectable HIV viral load and also have significant resistance to tenofovir and emtricitabine, the two drugs currently used in […]