JNJ-38877605 is a potent inhibitor of c-Met catalytic activity. Selective over other tyrosine and serine-threonine kinases (600-fold selectivity). Ability to block constitutive or HGF-stimulated phosphorylation of c-Met demonstrated in vitro. JNJ 38877605 reduces radiation-induced invasion, apoptosis and proliferation of cancer cells in vitro.