2008
DOI: 10.1590/s0037-86822008000100008
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Perfil de dissolução in vitro de comprimidos de primaquina disponíveis para tratamento de malária no Brasil

Abstract: Até o início da década de 60, era comum que se considerasse um medicamento eficaz clinicamente apenas assegurando-se o controle de qualidade, que incluía somente o conhecimento das propriedades físicas e físico-químicas do fármaco. A ineficácia clínica e, em alguns casos, intoxicações graves, serviram de alerta para estudos mais profundos sobre os componentes da formulação, processos empregados e características físico-químicas dos fármacos 17 . Dentre as formas farmacêuticas de uso oral, as formas farmacêutic… Show more

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Cited by 3 publications
(2 citation statements)
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“…Studies performed in Brazil indicate that poor quality anti-malarial drugs and inappropriate storage conditions may contribute to the development of parasite resistance [30,31]. In the present study, poor quality primaquine was suspected as a potential cause of relapse after four relapses in a short time, three of them in one patient, after treatment with the same batch of primaquine [32].…”
Section: Discussionmentioning
confidence: 61%
“…Studies performed in Brazil indicate that poor quality anti-malarial drugs and inappropriate storage conditions may contribute to the development of parasite resistance [30,31]. In the present study, poor quality primaquine was suspected as a potential cause of relapse after four relapses in a short time, three of them in one patient, after treatment with the same batch of primaquine [32].…”
Section: Discussionmentioning
confidence: 61%
“…Os ensaios de DSC têm sido amplamente empregados nos estudos de compatibilidade fármaco-excipiente (CIDES et al, 2006;OLIVEIRA;MATOS, 2005;RODRIGUES, 2003;RODRIGUES;WATANABE;FERRAZ, 2008 As curvas de DSC de hidroxipropilmetilcelulose apresentam um evento endotérmico na faixa de temperatura compreendida entre 25 e 90 °C, característico da perda de água superficial, sendo termicamente estável até 300 °C (ALVES, 2007).…”
Section: Calorimetria Exploratória Diferencial (Dsc)unclassified