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Am J Trop Med Hyg. 2004 Nov;71(5):594-7.

Short report: benznidazole efficacy among Trypanosoma cruzi-infected adolescents after a six-year follow-up.

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  • 1Institute of Tropical Pathology and Public Health, Department of Community Health, Federal University of Goias, Rua Delenda R Melo, S/N, GoiĆ¢nia 74605-050, Brazil. ana@iptsp.ufg.br

Abstract

Data from a six-year follow-up of Trypanosoma cruzi-infected adolescents enrolled in a randomized, double-blind, clinical trial of benznidazole showed successful chemotherapy in 64.7% (95% confidence interval [CI] = 50.2-78.7) and 84.7% (95% CI = 66.8-92.9), respectively, by intention-to treat and by per protocol analysis measured by seronegativity in a chemiluminescent enzyme-linked immunosorbent assay with a purified trypomastigote mucin antigen. No incident case of cardiomyopathy was detected by electrocardiogram assessment in this cohort of adolescents who had been infected in childhood. The persistent and consistently long-term negative serologic reactions suggest the absence of the parasite in the treated patients and reinforces the recommendation of early benznidazole chemotherapy for T. cruzi-infected infants as a public health policy in endemic areas.

PMID:
15569790
[PubMed - indexed for MEDLINE]
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