{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T16:02:34Z","timestamp":1762272154408},"reference-count":30,"publisher":"Cambridge University Press (CUP)","issue":"14","license":[{"start":{"date-parts":[[2017,7,24]],"date-time":"2017-07-24T00:00:00Z","timestamp":1500854400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["www.cambridge.org"],"crossmark-restriction":true},"short-container-title":["Parasitology"],"published-print":{"date-parts":[[2017,12]]},"abstract":"<jats:title>SUMMARY<\/jats:title><jats:p>In this study, we assessed the sensitivity, specificity, and diagnostic accuracy of a previously developed direct agglutination test (DAT) using a freeze-dried antigen derived from<jats:italic>Leishmania infantum<\/jats:italic>promastigotes and composed in a prototype kit for visceral leishmaniasis (VL) diagnosis, named DAT-LPC. To evaluate DAT-LPC reproducibility, the kit was used to analyse 207 serum samples from VL patients and 80 serum samples from patients with other parasitic infections or healthy subjects in four laboratories from different public health institutions in Brazil. DAT-LPC showed sensitivity between 96\u00b72 and 99\u00b75% (<jats:italic>P<\/jats:italic>= 0\u00b714), specificity ranging from 96\u00b72 to 97\u00b75% (<jats:italic>P<\/jats:italic>= 0\u00b795), and diagnostic accuracy ranging from 96\u00b75 to 99% (<jats:italic>P<\/jats:italic>= 0\u00b734). The inter-laboratory reproducibility of qualitative results was classified as excellent (<jats:italic>\u03ba<\/jats:italic>index: 0\u00b794\u20130\u00b797). The reproducibility of the end-titre results in relation to the reference laboratory, ranged from 31 to 85%. These results demonstrate an excellent performance of the DAT-LPC, and validate it for the diagnosis of VL that could replace the immunofluorescent antibody test as the routine diagnostic test in the Brazilian public health system.<\/jats:p>","DOI":"10.1017\/s0031182017001378","type":"journal-article","created":{"date-parts":[[2017,7,24]],"date-time":"2017-07-24T03:38:57Z","timestamp":1500867537000},"page":"1964-1970","update-policy":"http:\/\/dx.doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":15,"title":["Multicentre evaluation of a direct agglutination test prototype kit (DAT-LPC) for diagnosis of visceral leishmaniasis"],"prefix":"10.1017","volume":"144","author":[{"given":"E.","family":"OLIVEIRA","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"OLIVEIRA","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F. 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