ChEBI: Fasudil hydrochloride hydrate is a hydrate that is the hemihydrate form of fasudil hydrochloride. It is a drug indicated for the prevention of cerebral vasospasm and ensuing cerebral ischemia following surgery for subarachnoid hemorrhage. It has a role as an antihypertensive agent, a calcium channel blocker, an EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor, a neuroprotective agent, a nootropic agent and a vasodilator agent. It contains a fasudil hydrochloride.