{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T00:03:27Z","timestamp":1788566607209,"version":"build-2803163510"},"reference-count":30,"publisher":"American Society for Microbiology","issue":"7","license":[{"start":{"date-parts":[[2010,7,1]],"date-time":"2010-07-01T00:00:00Z","timestamp":1277942400000},"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":["Antimicrob Agents Chemother"],"published-print":{"date-parts":[[2010,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            In this work, we investigated the\n            <jats:italic>in vivo<\/jats:italic>\n            activity of ravuconazole against the Y and Berenice-78\n            <jats:italic>Trypanosoma cruzi<\/jats:italic>\n            strains using acutely infected dogs as hosts. Ravuconazole was well tolerated, as no significant side effects were observed during the treatment using 6.0 mg\/kg twice a day (12 mg\/kg\/day) for up to 90 days. In all treated animals, parasitemia was permanently suppressed by the first day of treatment, independently of the parasite strain. Cultures of blood obtained posttreatment were negative for 90% of the animals, confirming that the drug induced a marked reduction in the parasite load. The results of PCR tests for\n            <jats:italic>T. cruzi<\/jats:italic>\n            in blood performed 1 month posttreatment were consistently negative for three of five and two of five animals infected with the Y and Berenice-78 strains, respectively. All ravuconazole-treated dogs consistently had negative serological test results during and until 30 days after treatment, regardless of the therapeutic scheme used. However, after the end of treatment, an increase in specific antibody levels was observed in all treated animals, although the antibody levels were always significantly lower than those of the nontreated control dogs. Despite being unable to induce a parasitological cure, ravuconazole treatment led to significant reductions in the levels of gamma interferon expression and lesions in cardiac tissues in animals infected with the Y strain, while the level of interleukin-10 mRNA expression increased. We conclude that ravuconazole has potent suppressive but not curative activity in the canine model of acute Chagas' disease, probably due to its unfavorable pharmacokinetic properties (half-life, 8.8 h). The longer half-life of ravuconazole in humans (4 to 8 days) makes it a promising drug for assessment for use as chemotherapy in human Chagas' disease.\n          <\/jats:p>","DOI":"10.1128\/aac.01742-09","type":"journal-article","created":{"date-parts":[[2010,4,20]],"date-time":"2010-04-20T03:30:18Z","timestamp":1271734218000},"page":"2979-2986","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":88,"title":["Effects of Ravuconazole Treatment on Parasite Load and Immune Response in Dogs Experimentally Infected with\n            <i>Trypanosoma cruzi<\/i>"],"prefix":"10.1128","volume":"54","author":[{"given":"Li\u0301via de Figueiredo","family":"Diniz","sequence":"first","affiliation":[{"name":"Departamento de Cie\u0302ncias Biolo\u0301gicas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ivo Santana","family":"Caldas","sequence":"additional","affiliation":[{"name":"Departamento de Cie\u0302ncias Biolo\u0301gicas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paulo Marcos da Matta","family":"Guedes","sequence":"additional","affiliation":[{"name":"Departamento de Cie\u0302ncias Biolo\u0301gicas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geovam","family":"Crepalde","sequence":"additional","affiliation":[{"name":"Departamento de Cie\u0302ncias Biolo\u0301gicas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marta","family":"de Lana","sequence":"additional","affiliation":[{"name":"Departamento de Ana\u0301lises Cli\u0301nicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cla\u0301udia Martins","family":"Carneiro","sequence":"additional","affiliation":[{"name":"Departamento de Ana\u0301lises Cli\u0301nicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andre\u0301","family":"Talvani","sequence":"additional","affiliation":[{"name":"Departamento de Cie\u0302ncias Biolo\u0301gicas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julio Alberto","family":"Urbina","sequence":"additional","affiliation":[{"name":"Centro de Biofi\u0301sica y Bioqui\u0301mica, Instituto Venezolano de Investigaciones Cienti\u0301ficas, Caracas, Venezuela"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria Terezinha","family":"Bahia","sequence":"additional","affiliation":[{"name":"Departamento de Cie\u0302ncias Biolo\u0301gicas"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.47.4.1193-1199.2003"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1590\/S0036-46652000000300009"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1590\/S0074-02761993000100030"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.45.4.1210-1215.2001"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00436-008-0992-6"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1590\/S0036-46652002000100006"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1590\/S0037-86821989000100004"},{"key":"e_1_3_2_9_2","first-page":"59","volume":"39","year":"2007","unstructured":"Cunha-Neto, E., P. 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