| abstract |
Pharmaceutical formulation for use in inhalation administration of a long-acting b2 agonist. Formulation in stable, highly efficient solution of formoterol HFA, which can be administered by means of pressurized metered dose inhalers (pMDl) characterized by deep pulmonary penetration. Methods for preparing said formulation and using it to treat respiratory diseases, such as asthma and chronic obstructive pulmonary disease (COPD). Claim 1: A pharmaceutical aerosol formulation that can be administered by means of pressurized metered dose inhalers characterized in that it comprises an active ingredient selected from formoterol, or a stereoisomer, a salt or solvate acceptable for the physiological use thereof, in a liquid HFA propellant solution and a co-solvent, where the amount of wastewater is less than 1500 ppm, over the total weight of the formulation. |