The present invention generally relates to compositions and kits comprising a β2-AR agonist and a modulator of a β2-AR regulator gene, where the modulator of the β2-AR regulator gene inhibits the internalization and/or degradation of the β2-ad-renergic receptor (β2-AR). More specifically, the present invention relates to the use of an agonist of β2-adrenergic receptor (β2-AR) and an agent which inhibits agonist induced β2-adrenergic receptor (β2-AR) internalization and/or degradation in method for the treatment of a respiratory disorder in a subject.