Leak Rate. It is common for MDIs to lose propellant during storage. The propellant-leak rate of the test MDIs was compared with that of the controls (Figure 3). The leak rates for the Proventil ...

Albuterol 90mcg/inh; metered-dose aerosol; contains hydrofluoroalkane; CFC-free. Activation of beta2-adrenergic receptors on airway smooth muscle leads to the activation of adenylcyclase and to an ...

Ultrafine particle meter-dose inhalers (MDIs) have not demonstrated superior asthma control or improved safety over older MDIs. All of the inhaled corticosteroids demonstrate efficacy with once ...