Liminal identities: Caribbean men who have sex with men in London, UK.

Accounts by 10 Caribbean men who have sex with men living in the UK reveal them to be liminal beings with unstable and unresolved identities. They are between social states: aware they are not heterosexual and not publicly recognised, or in some cases self-accepted, as homosexual. Caribbean-born respondents especially suffer from homophobia, expressing regret and disappointment at their sexuality.

Factors influencing efavirenz and nevirapine plasma concentration: effect of ethnicity, weight and co-medication.

Background: The aim of this study was to examine factors influencing plasma concentration of efavirenz and nevirapine.

Methods: Data from the Liverpool Therapeutic Drug Monitoring (TDM) registry were linked with the UK Collaborative HIV Cohort (CHIC) Study. For each patient, the first measurement of efavirenz (600 or 800 mg/day) or nevirapine (400 mg/day) plasma concentration was included.