This invention relates, e.g., to a method for treating a subject having a chronic inflammatory respiratory disorder, comprising administering to the subject an effective amount of an inhibitor of the expression of and/or the activity of VEGF-A and/or VEGFR1 and/or VEGFR2 and/or NP1, or a combination thereof. Also described are screening assays for agents for treating a subject having a chronic inflammatory respiratory disorder, and kits for performing one of the methods of the invention.