The present disclosure relates to a method to stimulate endogenous BMP-2 up-regulation in a subject which method comprises administering to a subject an effective amount of an H1 receptor antagonist, whereby endogenous BMP-2 up-regulation is stimulated in said subject. Also provided is a pharmaceutical formulation including an H1 receptor antagonist present in an effective amount to stimulate BMP-2 up-regulation in a subject and a kit.