pharmaceutical composition, sealed container, metered dose inhaler, and methods for treating a patient suffering or likely to suffer from a respiratory disorder, for improving the stability of a pharmaceutical composition and the aerosolization performance of a pharmaceutical composition global warming potential of a pharmaceutical composition
It is a pharmaceutical composition. the composition comprises: (i) a drug component comprising at least one salmeterol compound selected from salmeterol and pharmaceutically acceptable derivatives thereof； and (ii) a propellant component comprising 1,1-difluoroethane (hfa-152a).trata-se de uma composição farmacêutica. a composição compreende: (i) um componente de fármaco que compreende pelo menos um composto de salmeterol selecionado a partir de salmeterol e derivados farmaceuticamente aceitáveis do mesmo； e (ii) um componente propulsor que compreende 1,1-difluoroetano (hfa-152a).
