Development of a Predictive Model for Sexually Transmitted Infections in Individuals Using Pre-Exposure Prophylaxis for HIV in Spain

Inclusion Criteria

• •All individuals with documented initiation of oral PrEP (daily or event-driven regimens), who have collected the medication at least once and have taken at least one pill, will be included in the study.
• •The approved criteria for the use of oral PrEP in Spain, as recommended by the Spanish Gesida guidelines (GeSIDA. Recomendaciones sobre la Profilaxis Pre-Exposición para la Prevención de la Infección por VIH en España. Marzo 2023. Available at http://.gesida-seimc.org/category/guias-clinicas/otras-guias-vigentes/), are as follows:
• •People without HIV infection at the time of cohort inclusion
• •Age ≥ 16 yr who meet the following criteria:
• •MSM and transgender women with at least two of the following criteria during the last year: \> 10 sexual partners; Condomless anal sex; Chemsex; PEP; ≥ 1 STI
• •Sex worker women who report non-habitual use of condoms.
• •Cisgender males/females, who report condomless and present at least two of the same criteria as MSM and transgender.
• •PWID with unsafe injection practices