Research Area: Cancer Biological Activity: Fasudil HCl is cyclic nucleotide-dependent protein kinase inhibitor and Rho-associated kinase inhibitor with an IC50 of 10.7 μM. It is also a Ca2+ antagonist and vasodilator. It also inhibits proliferation of vascular smooth muscle cells. [1]References on Fasudil HCl (HA-1077)[1] Acta Neurochir Suppl., 2001, 77:201-4.