Injeção de vírus interrompe o crescimento de tumor pancreático em estudo

Um vírus geneticamente modificado impediu o crescimento de tumores pancreáticos em três pacientes durante um estudo clínico inicial nos EUA. Os resultados provêm de uma pesquisa de segurança conduzida por pesquisadores da Universidade de Minnesota.

O primeiro paciente recebeu o tratamento há um ano após o diagnóstico de um tumor de 7 centímetros confinado ao pâncreas. Os outros dois pacientes foram tratados posteriormente, e todos os três permanecem vivos com a doença estável, segundo Masato Yamamoto, que liderou o desenvolvimento da terapia. Apenas um décimo da dose planejada foi utilizado nesta fase inicial, contudo, os tumores não se espalharam nem aumentaram de tamanho desde a injeção.

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