The main objective of this prospective observational cohort study is to investigate the epidemiology, the risk factors and ultimately the incidence of novel HIV infections among individuals at high risk for acquiring HIV via sex practices.
We will include individuals at high-risk for HIV acquisition, i.e. HIV-negative MSM and transgender individuals who (i) do not use condoms consistently with casual partners and/or with HIV-positive partners who are not on treatment and/or (ii) recently acquired an STI and/or (iii) recently used PEP and/or (iv) frequently engage in 'chemsex' within the past 12 months Important clinical information on possible vectors for transmission (including but not limited to high-risk sex practices and sexualized drug use), use of HIV pre-exposure prophylaxis, incidence of sexually transmitted infections will be assessed and laboratory parameters will be obtained from blood, urine and mucosal secretion.
Study Type
OBSERVATIONAL
Enrollment
500
Medical University of Vienna
Vienna, Austria
RECRUITINGIncidence of HIV
Time from inclusion to HIV infection
Time frame: Up to 10 years (=Study Period)
Incidence of sexually transmitted infections
Time from inclusion to any sexually transmitted infections
Time frame: Up to 10 years (=Study Period)
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