co-suspension, metered dose inhaler, and methods of preparing a metered dose inhaler, dispensing a patient with an active agent, and treating a patient.

摘要

Compositions, methods and systems are provided for pulmonary or nasal delivery of active agents via a metered dose inhaler. In one embodiment, the compositions include a suspension medium, active agent particles, and suspending particles, in which the active agent particles and suspending particles form a co-suspension within the suspension medium.