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Anza Mapema

The burden of sexually transmitted infections among men who have sex with men (MSM) in Kisumu, Kenya.

This study, which was led by the Nyanza Reproductive Health Society, looked at the burden of hepatitis and STIs among MSM. This research was nested in the wider Anza Mapema programme that also looked at issues of testing, initiation and retention in care for MSM.

The study enrolled 764 MSM and assessed them for hepatitis B and C; HSV-2; syphilis; and urine and rectal chlamydia and gonorrhoea. Participants were followed at three-monthly intervals over a 12-month period and received medical examinations and screening for STIs. Assessments of risk-behaviour were also conducted. HIV-positive participants were linked to care and HIV-negative participants received support from a peer-led behavioural risk-reduction programme as part of the Anza Mapema project.

In 2017 the study was extended to include a PrEP arm. Additional data was collected to provide information on the acceptability of and adherence to PrEP, and PrEP initiation protocols.

Evidence Brief

The Anza Mapema Study: sexual Health of men who have sex with men in Kisumu, Kenya (2pp).   Read...

Early findings

  • Burden of sexually transmitted infections among men who have sex with men in Kisumu, Kenya.Presentation at SADC Regional HIV Prevention Consultation, Johannesburg, April 2018  Read...
  • Expanding test and treat for HIV prevention in MSM in Kisumu, Kenya. The Anza Mapema study: baseline participant characteristics and risk behaviours. Poster presented at IAS2017. Read…
  • Prevalence and risk factors of hepatitis B and C among men who have sex with men in the Anza Mapema study in Kisumu, Kenya. Poster SA AIDS Conference 2017. View…

Presentations at University of Nairobi STI/HIV/SRH Collaborative Research Group, January 2018

  • Incidence and predictors of urogenital chlamydia and gonnorhoea among men who have sex with men in Kisumu, the Anza Mapema study. Supriya Mehta.
  • Factors associated with virologic suppression among HIV-positive MSM. Frederick Otieno.
  • Factors associated with missed study visits among gay and bisexual MSM in Kisumu. Robert Bailey.
  • The role of peer outreach workers in recruitment and retention of gay, bisexual and other MSM in HIV prevention and care. Duncan Okall.
  • HIV incidence among MSM in Kisumu – relevance for the PrEP rollout. Susan Graham.
  • Baseline characteristics and eligibility of participants starting PrEP in the Anza Mapema study. Frederick Otieno.
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