{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T03:01:48Z","timestamp":1787022108369,"version":"build-2736575974"},"reference-count":56,"publisher":"Public Library of Science (PLoS)","issue":"7","license":[{"start":{"date-parts":[[2022,7,12]],"date-time":"2022-07-12T00:00:00Z","timestamp":1657584000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"US National Institutes of Health, Fogarty International Center","award":["D43TW010143"],"award-info":[{"award-number":["D43TW010143"]}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:sec id=\"sec001\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>We investigated people with HIV (PWH) receiving combination antiretroviral therapy (cART) for latent syphilis infection prevalence, risk factors, treatment response, and neurosyphilis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec002\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A prospective follow-up study was conducted on PWH and latent syphilis. The cases were randomly assigned to receive either benzathine penicillin G (BPG) or doxycycline (DOXY), and the posttreatment response was evaluated after 12 and 24 months. The traditional algorithm was used for serodiagnosis, and a semi-quantitative rapid plasma reagin (RPR) test monitored disease activity and treatment effectiveness.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec003\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of the 823 participants, 64.8% were women, and the mean age was 41.7\u00b110 years. Thirty-one (3.8%) of the participants (22 males and nine females) had latent syphilis. The risk factors were male sex (aOR = 3.14), increasing age (aOR = 1.04 per year), and cART duration (aOR = 1.01 per month). Baseline RPR titers were: \u22641:4 in 19 (61.3%), between 1:8 and 1:32 in 10 (32.2%), and &gt;1:32 in 2 (6.4%). None of the seven cerebrospinal fluid analyses supported a neurosyphilis diagnosis. In the 12\n                      <jats:sup>th<\/jats:sup>\n                      month of treatment, 27 (87.1%) had adequate serological responses, three (9.7%) had serological nonresponse, and one (3.2%) had treatment failure. Syphilis treatment was repeated in the last four cases with the alternative drug. In terms of adequate serologic response, both therapies were comparable at the 12\n                      <jats:sup>th<\/jats:sup>\n                      month, p = 0.37. All cases responded to treatment in the 24\n                      <jats:sup>th<\/jats:sup>\n                      month.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec004\">\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>In PWH receiving cART, latent syphilis occurred more in men than women, suggesting an investigation of sexual practices and the impact of antenatal syphilis screening. Syphilis disease activity reduces in the latent stage. Therefore, the routine cerebrospinal fluid analysis contributes little to the diagnosis of asymptomatic neurosyphilis and the treatment success of latent syphilis. DOXY is an alternative to BPG, and cART improves serologic response to latent syphilis treatment.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1371\/journal.pone.0270878","type":"journal-article","created":{"date-parts":[[2022,7,12]],"date-time":"2022-07-12T13:30:49Z","timestamp":1657632649000},"page":"e0270878","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":5,"title":["Investigating latent syphilis in HIV treatment-experienced Ethiopians and response to therapy"],"prefix":"10.1371","volume":"17","author":[{"given":"Selamawit","family":"Girma","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4950-3966","authenticated-orcid":true,"given":"Wondwossen","family":"Amogne","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2022,7,12]]},"reference":[{"issue":"8","key":"pone.0270878.ref001","doi-asserted-by":"crossref","first-page":"548","DOI":"10.2471\/BLT.18.228486","article-title":"Chlamydia, gonorrhoea, trichomoniasis and syphilis: global prevalence and incidence estimates, 2016","volume":"97","author":"J Rowley","year":"2019","journal-title":"Bull World Health Organ"},{"key":"pone.0270878.ref002","volume-title":"Report on global sexually transmitted infection surveillance","year":"2018"},{"issue":"2","key":"pone.0270878.ref003","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1056\/NEJMp048126","article-title":"Syphilis control\u2014a continuing challenge","volume":"351","author":"EW Hook","year":"2004","journal-title":"N Engl J Med"},{"key":"pone.0270878.ref004","unstructured":"The Ethiopian Public Health Institute. 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