Recentes avanços no tratamento da doença de Chagas
; Lamas, Maria Celina
; Salomon, Claudio Javier 
Otros responsables
Fecha
04/2013
Editorial
Associacao Medica de Brasilia
Revista
Brasilia Medica
Título del libro
Nombre del evento
Fecha del evento
Institución organizadora
ISSN
0524-2053
eISSN
ISBN
Idioma
Portugués
Tipo del evento
Clasificación temática
Palabras clave
Resumen
Descoberta há cem anos, a doença de Chagas afeta a mais de quinze milhões de pessoas em toda a América Latina e, ainda hoje, não há tratamentoeficaz. O fármaco benznidazol, utilizado como única opção de tratamento no Brasil, é ineficaz na fase crônica da doença. Problemas relacionados à biodisponibilidade do medicamento comercial limitam sua eficácia, principalmente na fase crônica, quando os parasitos estão confinados em tecidos profundos e em lenta replicação. Nesse contexto, pesquisas lideradas por grupos brasileiros e argentinos vêm sendo conduzidas com o objetivo de desenvolver formulações de benznidazol mais eficientes. Diversas formas farmacêuticas sólidas e líquidas foram propostas nos últimos anos com resultados pré-clínicos promissores, sendo descritas melhorias acentuadas nas características farmacocinéticas desse fármaco. Espera-se que as formas inovadoras apresentadas possam ser avaliadas em ensaios clínicos e incorporadas à produção industrial em breve.
Discovered about a hundred years ago, Chagas disease currently affects more than fifteen million people in Latin America, and it still remains without any effective treatment. Although benznidazole has been used as the only pharmacotherapeutic option to treat Chagas disease in Brazil, it is ineffective in the chronic phase of the disease, when the parasites are confined to deep tissue layers and slowly replicate. This happens mainly due to problems related to the bioavailability of the drug, which is currently in the market. In this context, Brazilian and Argentinean research groups have conducted studies to develop more efficient benznidazole formulations. Several solid and liquid formulations have been proposed over the last few years with promising preclinical results. Improvements in the pharmacokinetic properties of this drug have been described. Therefore, it is expected, that such innovative drugs and formulations be assessed in clinical trials and soon incorporated to industrial production.
Discovered about a hundred years ago, Chagas disease currently affects more than fifteen million people in Latin America, and it still remains without any effective treatment. Although benznidazole has been used as the only pharmacotherapeutic option to treat Chagas disease in Brazil, it is ineffective in the chronic phase of the disease, when the parasites are confined to deep tissue layers and slowly replicate. This happens mainly due to problems related to the bioavailability of the drug, which is currently in the market. In this context, Brazilian and Argentinean research groups have conducted studies to develop more efficient benznidazole formulations. Several solid and liquid formulations have been proposed over the last few years with promising preclinical results. Improvements in the pharmacokinetic properties of this drug have been described. Therefore, it is expected, that such innovative drugs and formulations be assessed in clinical trials and soon incorporated to industrial production.
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