abstract |
A dry powder formulation for inhalation administration comprising an anticholinergic agent, a corticosteroid and a β-adrenergic agonist. The present invention relates to a dry powder formulation for inhalation comprising a combination of an anticholinergic agent, a long-acting β 2 -adrenergic receptor agonist and a corticosteroid, a method for its preparation, and its therapeutic use. |