{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T14:13:18Z","timestamp":1784038398866,"version":"3.55.0"},"reference-count":29,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2018,9,18]],"date-time":"2018-09-18T00:00:00Z","timestamp":1537228800000},"content-version":"vor","delay-in-days":17,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004704","name":"National Research Council of Thailand","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004704","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004423","name":"World Health Organization","doi-asserted-by":"publisher","award":["120077"],"award-info":[{"award-number":["120077"]}],"id":[{"id":"10.13039\/100004423","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100007553","name":"Aids Fonds","doi-asserted-by":"publisher","award":["2012112"],"award-info":[{"award-number":["2012112"]}],"id":[{"id":"10.13039\/100007553","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100001117","name":"amfAR, The Foundation for AIDS Research","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100001117","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Intern AIDS Soc"],"published-print":{"date-parts":[[2018,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Sexually transmitted infections (STIs) are common among HIV\u2010positive men who have sex with men (MSM). There have been concerns that undiagnosed and untreated STIs could undermine efforts to use antiretroviral therapy (ART) for prevention due to genital secretion infectiousness. We evaluated the correlation between STIs and HIV RNA in anogenital compartments among HIV\u2010positive MSM before and after ART.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>MSM participants newly diagnosed with HIV were offered ART regardless of CD4 count during November 2012 to November 2015. Syphilis serology, oropharyngeal swab, rectal swab, urine collection for gonorrhoea and chlamydia nucleic acid amplification testing, and HIV RNA measurement in blood, semen and rectal samples were performed at baseline, 12 and 24\u00a0months thereafter.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 143 HIV\u2010positive MSM, 16.1% had syphilis, 23.1% had gonorrhoea and 32.8% had chlamydia at baseline. Participants with STIs at baseline had higher median HIV RNA levels in blood plasma (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.053), seminal plasma (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.01) and rectal secretions (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.002) than those without STIs. Multivariate models identified HIV RNA 100,000 to 500,000 (OR 6.74, 95% CI 2.24 to 20.28, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.001) and &gt;500,000 (OR 9.39, 95% CI 1.08 to 81.72, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.04) copies\/mL in blood, CD4 count &lt;350 cells\/mm<jats:sup>3<\/jats:sup> (OR 4.20, 95% CI 1.05 to 16.70, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.04) and having any STIs (OR 2.62, 95% CI 1.01 to 6.80 <jats:italic>p<\/jats:italic>\u00a0=\u00a00.047) to be associated with detectable (&gt;40 copies\/mL) seminal plasma HIV RNA. Having chlamydia at any sites (OR 3.17, 95% CI 1.07 to 9.44, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.04) was associated with detectable rectal HIV RNA. Incidences of syphilis, gonorrhoea and chlamydia were 13.4, 16.4 and 18.1 per 100 person\u2010years respectively. Nine participants had detectable HIV RNA (five in blood, one in semen, two in rectal samples and one in both blood and rectal samples) at 12 and\/or 24\u00a0months after ART.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>STIs were extremely common among HIV\u2010positive MSM prior to and after ART. ART effectively reduced HIV RNA in all compartments. The correlation between STIs and anogenital HIV RNA, especially prior to ART and likely until complete HIV RNA suppression from ART is achieved, points to the importance of integrating asymptomatic STIs screening into Treatment as Prevention programme for MSM.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jia2.25186","type":"journal-article","created":{"date-parts":[[2018,9,18]],"date-time":"2018-09-18T07:40:19Z","timestamp":1537256419000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Sexually transmitted infections and <scp>HIV RNA<\/scp> levels in blood and anogenital compartments among Thai men who have sex with men before and after antiretroviral therapy: implication for Treatment as Prevention 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