PHARMACEUTICAL PRODUCT COMPRISING A MUSCARINIC RECEPTOR ANTAGONIST AND A SECOND ACTIVE INGREDIENT

The invention provides a pharmaceutical product, kit or composition comprising a first active ingredient which is a selected muscarinic receptor antagonist, and a second active ingredient which is selected from a phosphodiesterase inhibitor, a modulator of chemokine receptor function, an inhibitor of kinase function, a protease inhibitor, a steroidal glucocorticoid receptor agonist, a non-steroidal glucocorticoid receptor agonist and a purinoceptor antagonist, of use in the treatment of respiratory diseases such as chronic obstructive pulmonary disease and asthma.