Inhalable Formulation of a Solution Containing Tiotropium Bromide and Olodaterol

1 . A propellant-free inhalation formulation comprising Tiotropium or a salt or solvate thereof, Olodaterol or a salt or solvate thereof, a pH adjusting agent, and a pharmacologically acceptable additive, dissolved in a solvent.

2 . The formulation of claim 1 , wherein the Tiotropium or a salt or solvate thereof is Tiotropium bromide monohydrate and the Olodaterol or a salt or solvate thereof is Olodaterol hydrochloride.

3 . The formulation of claim 2 , wherein the Olodaterol hydrochloride is present in an amount ranging from about 182 μg/100 ml to about 182 mg/100 ml.

4 . The formulation of claim 2 , wherein the Tiotropium bromide is present in an amount ranging from about 20.7 μg/100 ml to about 207 mg/100 ml.

5 . The formulation of claim 1 , wherein the pharmacologically acceptable additive is an isosmotic adjusting agent selected from the group consisting of sodium chloride, glucose, mannitol, glucitol, and mixtures thereof.

6 . The formulation of claim 5 , wherein the isosmotic adjusting agent is present in an amount ranging from about 0.8% (w/w) to about 1% (w/w).

7 . The formulation of claim 1 , wherein the solvent is water.

8 . The formulation of claim 1 , wherein the pH adjusting agent is selected from the group consisting of citric acid-citrate, hydrochloric acid, citric acid, and sodium hydroxide.

9 . The formulation of claim 1 , wherein the formulation has a pH ranging from about 2.0 to about 3.5.

10 . The formulation of claim 1 , wherein the pharmacologically acceptable additive is selected from the group consisting of edetic acid, edetate disodium dihydrate, edetate disodium, citric acid, and combinations thereof.

11 . The formulation of claim 1 , wherein the pharmacologically acceptable additive is present in an amount ranging from about 1 mg/100 ml to about 500 mg/100 ml.

12 . The formulation of claim 1 , wherein the pharmacologically acceptable additive is selected from the group consisting of benzalkonium chloride, benzoic acid, sodium benzoate, and a combinations thereof.

13 . The formulation of claim 1 , wherein the formulation has an osmotic pressure ranging from about 100 mOsm to about 400 mOsm.

14 . A method of treating asthma or COPD in a patient, comprising administering to the patient a therapeutically effective amount of the pharmaceutical formulation according to claim 1 by inhalation.

15 . The method of claim 14 , wherein the Olodaterol or a salt thereof is Olodaterol hydrochloride and the Tiotropium or a salt thereof is Tiotropium bromide monohydrate, wherein the Olodaterol hydrochloride is administered at a dose ranging from about 3 μg to about 80 and the Tiotropium bromide monohydrate is administered at a dose ranging from about 3 μg to about 80 μg.

16 . The method of claim 15 , wherein the dose of Olodaterol hydrochloride ranges from about 3 μg to about 50 μg and the dose of Tiotropium bromide monohydrate ranges from about 3 μg to about 50 μg.

17 . The method of claim 14 , wherein the pharmaceutical formulation is administered using a nebulization inhalation device to provide an inhalable aerosol of the pharmaceutical formulation.

18 . The method of claim 17 , wherein the nebulization inhalation device administers a therapeutically effective amount of the pharmaceutical formulation by aerosolizing less than about 8 milliliters of the pharmaceutical solution.

19 . The method of claim 17 , wherein the inhalable aerosol has a D50 that is less than about 10 μm.

20 . The method of claim 17 , wherein the inhalable aerosol has an average particle size of less than about 15 microns.