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Transactional sex and prevalence of STIs: a cross-sectional study of MSM and transwomen screened for an HIV prevention trial.

ABSTRACT: Few studies have characterised the degree of engagement in transactional sex among men and transgender women who have sex with men and explored its association with sexually transmitted infections and human immunodeficiency virus in Ecuador. We screened 642 men who have sex with men and transgender women for a pre-exposure prophylaxis clinical trial (iPrEx) in Guayaquil, Ecuador, 2007-2009. We analysed the association of degree of engagement in transactional sex and prevalence of sexually transmitted infections including human immunodeficiency virus using chi-square and analysis of variance tests. Although just 6.2% of those who screened self-identified as sex workers, 52.1% reported having engaged in transactional sex. Compared to those who had never been paid for sex, those who had been paid were more likely to have a sexually transmitted infection (56.6% vs. 45.0%, p?=?0.007) and trended towards a higher human immunodeficiency virus prevalence (16.6% vs. 10.4%, p?=?0.082) at screening. Transgender women compared to other men who have sex with men were more likely to have sexually transmitted infections diagnosed at screening (75.6% vs. 50.0%, p?=?0.001). Transactional sex is practiced widely but occasionally among the men who have sex with men and transgender women in Guayaquil who screened for the iPrEx study; however, engaging in transactional sex may not lead to a sex worker self-identification. Both transactional sex and being a transgender woman are associated with sexually transmitted infections prevalence.

SUBMITTER: Solomon MM

PROVIDER: S-EPMC4470879 | biostudies-literature | 2015 Oct

REPOSITORIES: biostudies-literature

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Transactional sex and prevalence of STIs: a cross-sectional study of MSM and transwomen screened for an HIV prevention trial.

Solomon Marc M MM Nureña César R CR Tanur Judith M JM Montoya Orlando O Grant Robert M RM McConnell J Jeff JJ

International journal of STD & AIDS 20141217 12

Few studies have characterised the degree of engagement in transactional sex among men and transgender women who have sex with men and explored its association with sexually transmitted infections and human immunodeficiency virus in Ecuador. We screened 642 men who have sex with men and transgender women for a pre-exposure prophylaxis clinical trial (iPrEx) in Guayaquil, Ecuador, 2007-2009. We analysed the association of degree of engagement in transactional sex and prevalence of sexually transm ...[more]

PMID: 25520017

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Project description:Abstract Background M. genitalium (M. gen) is an under-recognized sexually transmitted bacterial pathogen that causes 15-25% of nongonococcal urethritis (NGU) in men. Asymptomatic M. gen may serve as a reservoir, lead to transmission to sexual contacts, and drive the development of drug resistance. M. gen may be associated with an increased risk of HIV acquisition, as seen in some studies. Data are limited on M. gen prevalence among U.S. men who have sex with men (MSM) living with HIV or HIV-uninfected and on pre-exposure prophylaxis (PrEP). Methods We analyzed baseline prevalence of urogenital and rectal M. gen using the Aptima Mycoplasma genitalium nucleic acid amplification test in participants enrolled in DoxyPEP, an ongoing randomized, open label trial of the effectiveness of doxycycline post-exposure prophylaxis (PEP) on incidence of gonorrhea, chlamydia, and early syphilis among MSM and transgender women living with HIV or on PrEP in San Francisco and Seattle (NCT03980223). Participants completing at least one follow up visit were also assessed for M. gen persistence, clearance, and incidence. Testing was at regular intervals and not symptom driven. Results This analysis included 122 men; 34% with HIV and 66% on PrEP. In the prior 12 months, 18.9% had a diagnosis of syphilis, 58.2% chlamydia, and 63.9% gonorrhea. At baseline, M. gen was present in at least one site in 24%; 9% in the urine and 16% in the rectum, with 1 testing positive at both sites. M. gen presence was not associated with age, ethnicity, race, HIV status, number of partners in the past 3 months, or bacterial STI in the past 3 months. 65 participants had follow up tests a median of 9.1 months after baseline (IQR 7.8-9.8); among 7 participants with urogenital M. gen at baseline, M. gen cleared in 6 and persisted in 1. Among 11 participants with rectal M. gen at baseline, M. gen cleared in 4 cleared and persisted in 7. At follow up, M. gen was detected in 2 urine and 9 rectal specimens in those previously negative at these sites. Figure 1. Baseline prevalence of urogenital and rectal M. genitalium in MSM at high risk for STIs enrolled in DoxyPEP Figure 2. Detection of urogenital and rectal M. genitalium among participants with baseline and follow up testing Conclusion In this cohort of MSM with a recent diagnosis of a bacterial STI, routine testing identified urogenital or rectal M. gen in 24% of participants at baseline and 31% at either baseline or follow-up. The association of persistent M. gen with the risk for subsequent symptomatic infection and drug resistance merits further investigation. Disclosures Emma D. Bainbridge, MD, MPH, Hologic (Grant/Research Support) Olusegun O. Soge, PhD, Hologic Inc. (Grant/Research Support)SpeeDx Inc. (Grant/Research Support) Annie Luetkemeyer, MD, Cepheid (Grant/Research Support)Hologic (Grant/Research Support)Mayne Pharma (Grant/Research Support)

Dataset Information

Transactional sex and prevalence of STIs: a cross-sectional study of MSM and transwomen screened for an HIV prevention trial.

Publications

Transactional sex and prevalence of STIs: a cross-sectional study of MSM and transwomen screened for an HIV prevention trial.

Similar Datasets

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