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PrEP suitability criteria for men who have sex with men

This section addresses PrEP suitability for MSM. This section is relevant to people who were assigned male at birth and identify as male, known as cis-men. This section is also relevant to people who were assigned female at birth but identify as male, known as trans-men. Of note, trans-men who have sex with men may practice both anal and vaginal sex.

Box 14.1 PrEP suitability criteria for men who have sex with men
HIV risk in the previous 3 months and the future 3 months The clinician should prescribe PrEP if the patient describes a history of any of the following HIV acquisition risks in the previous 3 months and if the patient foresees that there are likely to be similar acquisition risks in the next 3 months:
  • At least one episode of condomless anal intercourse (insertive or receptive) with a regular HIV-positive partner who is either not on treatment, or who is on treatment but has a detectable HIV viral load
  • At least one episode of receptive condomless anal intercourse with any casual male partner
  • At least one episode of condomless receptive vaginal sex with a regular HIV+ partner who is either not on treatment, or who is on treatment but has a detectable HIV viral load
  • At least one episode of receptive condomless vaginal sex with any casual HIV+ male partner, or a male partner whose HIV status is unknown
  • More than one episode of vaginal sex where a condom slipped off or broke where the HIV serostatus of the partner was not known, or where the partner was HIV+ and not on treatment or had a detectable viral load on treatment
  • One or more episodes of engaging in sexualised drug use, sometimes referred to as ‘chemsex’. In the Australian context this typically involves the use of crystal methamphetamine (Ice), but can also include the use of gamma hydroxybutyrate (GHB)
  • One or more episodes of rectal/vaginal gonorrhoea, rectal/vaginal chlamydia, or infectious syphilis, including any STIs diagnosed at screening for PrEP
  • More than one episode of anal intercourse where a condom slipped off or broke where the HIV serostatus of the partner was not known, or where the partner was HIV positive and not on treatment or had a detectable viral load on treatment.
HIV risk in the future 3 months The clinician should prescribe PrEP if the patient foresees that they will have HIV acquisition risk in the upcoming 3 months, despite not having had HIV acquisition risk in the previous 3 months. Note: The following list is not exhaustive and there are likely to be many other scenarios where PrEP could be suitably offered for people whose HIV risk acquisition is exclusively in the future:
  • When a person plans to travel during which time they anticipate that they will be having condomless sex with casual partners
  • When a person plans to return home to an overseas country which has a high HIV prevalence during which time they anticipate that they will be having condomless sex with casual partners
  • When a person reports that they have recently left a monogamous relationship and will be having condomless sex with casual partners in the future
  • When a person reports that they will be entering or leaving institutional or correctional facilities in the near future where they may have condomless sex with casual partners in the future
  • When a person presents with concerns of deteriorating mental health and a history of having previously increased their HIV acquisition risk behaviour in this setting
  • When a person presents with a history of intermittent binge drinking of alcohol or recreational drug use and a history of having had increased their HIV acquisition risk behaviour in this setting
The clinician should consider prescribing PrEP also in the following circumstances:
  • When an HIV serodiscordant couple experience undue suffering and anxiety about inter-couple HIV transmission despite the positive partner being virologically suppressed on treatment
  • When a person reports being so anxious about HIV infection that it may prevent them from having regular HIV testing, or engaging in any form of anal sex
  • When a person presents with a history of recurrent genital ulceration or dermatoses (e.g. psoriasis), as this may increase the risk of HIV transmission.
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