| abstract |
The present invention provides a compound that is a hydroxyquinolinone derivative of formula (I), in the form of a racemate, a stereoisomer or a mixture of stereoisomers, or a pharmaceutically acceptable salt or solvate thereof, for use in a method of treating a lung disease or pathology associated with the activity of? 2 adrenergic receptors in a mammal, in which the compound is administered by the inhalation route at a nominal dose measured less than 5 µg by inhalation. |