{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T00:29:13Z","timestamp":1790036953469,"version":"4.0.1"},"reference-count":34,"publisher":"American Society for Microbiology","issue":"9","license":[{"start":{"date-parts":[[2016,8,24]],"date-time":"2016-08-24T00:00:00Z","timestamp":1471996800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2016,9,1]],"date-time":"2016-09-01T00:00:00Z","timestamp":1472688000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Clin Microbiol"],"published-print":{"date-parts":[[2016,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            <jats:named-content content-type=\"genus-species\">Treponema pallidum<\/jats:named-content>\n            infections can have severe complications if not diagnosed and treated at an early stage. Screening and diagnosis of syphilis require assays with high specificity and sensitivity. The Elecsys Syphilis assay is an automated treponemal immunoassay for the detection of antibodies against\n            <jats:named-content content-type=\"genus-species\">T. pallidum<\/jats:named-content>\n            . The performance of this assay was investigated previously in a multicenter study. The current study expands on that evaluation in a variety of diagnostic settings and patient populations, at seven independent laboratories. The samples included routine diagnostic samples, blood donation samples, samples from patients with confirmed HIV infections, samples from living organ or bone marrow donors, and banked samples, including samples previously confirmed as syphilis positive. This study also investigated the seroconversion sensitivity of the assay. With a total of 1,965 syphilis-negative routine diagnostic samples and 5,792 syphilis-negative samples collected from blood donations, the Elecsys Syphilis assay had specificity values of 99.85% and 99.86%, respectively. With 333 samples previously identified as syphilis positive, the sensitivity was 100% regardless of disease stage. The assay also showed 100% sensitivity and specificity with samples from 69 patients coinfected with HIV. The Elecsys Syphilis assay detected infection in the same bleed or earlier, compared with comparator assays, in a set of sequential samples from a patient with primary syphilis. In archived serial blood samples collected from 14 patients with direct diagnoses of primary syphilis, the Elecsys Syphilis assay detected\n            <jats:named-content content-type=\"genus-species\">T. pallidum<\/jats:named-content>\n            antibodies for 3 patients for whom antibodies were not detected with the Architect Syphilis TP assay, indicating a trend for earlier detection of infection, which may have the potential to shorten the time between infection and reactive screening test results.\n          <\/jats:p>","DOI":"10.1128\/jcm.02544-15","type":"journal-article","created":{"date-parts":[[2016,6,30]],"date-time":"2016-06-30T03:03:38Z","timestamp":1467255818000},"page":"2330-2336","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":8,"title":["Evaluation of Elecsys Syphilis Assay for Routine and Blood Screening and Detection of Early Infection"],"prefix":"10.1128","volume":"54","author":[{"given":"J.","family":"Kremastinou","sequence":"first","affiliation":[{"name":"Biomedicine SA, Athens, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V.","family":"Polymerou","sequence":"additional","affiliation":[{"name":"Biomedicine SA, Athens, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.","family":"Lavranos","sequence":"additional","affiliation":[{"name":"Biomedicine SA, Athens, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Aranda Arrufat","sequence":"additional","affiliation":[{"name":"Banco de Sangre y Tejidos de Aragon, Zaragoza, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Harwood","sequence":"additional","affiliation":[{"name":"Freeman Hospital, Newcastle, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. 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