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Gay men get less HIV but more STIs after starting PrEP, meta-analysis finds
Gus Cairns, 2018-06-08 16:00

A meta-analysis of 17 studies of HIV pre-exposure prophylaxis (PrEP) in gay men and other men who have sex with men (MSM) has found that, while PrEP protected them from HIV, the proportion diagnosed with gonorrhoea, chlamydia or syphilis increased significantly in the period between starting PrEP and follow-up, with an average length of time on PrEP at follow-up of six months.

The headline figures come from eight studies that recorded both STI diagnoses at both baseline and during follow-up. On average, after starting PrEP, there was:

  • an increase of 24% in diagnoses of any of these three STIs; 
  • a 39% increase in rectal STIs; 
  • a 59% increase in rectal chlamydia. 

All of these increases were statistically significant.



Source: www.aidsmap.com