This study measures the proportion of enrolled patients taking the uninterrupted HIV post-exposure prophylaxis Genvoya for four weeks

This study measures the proportion of enrolled patients taking the uninterrupted HIV post-exposure prophylaxis Elvitegravir/Cobicistat/FTC/Tenofovir alafenamide (E/C/F/TAF) for four Weeks.

Elvitegravir is an HIV-1 integrase strand transfer inhibitor (INSTI). Cobicistat is a selective, mechanism-based inhibitor of cytochrome P450 (CYP) enzymes of the CYP3A subfamily. Emtricitabine is a nucleoside reverse transcriptase inhibitor (NRTI) and nucleoside analogue àf 2'-dexicytidine. Tenofovir alafenamide is a nucleotide reverse transcriptase inhibitor (NtRTI) and phosphonoamidate prodrug of tenofovir (2'-deoxyadenosine monophosphate analogue).

Inclusion Criteria:

• an age above 18 years
• consultation within 48 hours following a risk of HIV transmission (blood or sexual contact)
• indication for HIV post-exposure prophylaxis (according to French guidelines)
• person able to understand the nature of the study
• person who signed his consent form to participate in the study

Exclusion Criteria:

• person exposed to HIV risk from person infected by HIV, whose therapeutic history justifies the prescription of another combination of antiretroviral drugs
• contraindications to the prescription of Genvoy
• other medical contraindications
• person infected by hepatitis B virus
• pregnant or lactating woman