tirilazad tirilazad tirilazad is a drug that has been proposed to treat acute ischaemic stroke. when tested on animal models, tirilazad protects brain tissue, and reduces brain damage. however, the drug fails to treat, and even worsens a stroke when studied on a human being. tirilazadclinical dataother names(8s,10s,13s,14s,16r,17s)-17-acetyl]-10,13,16-trimethyl-6,7,8,12,14,15,16,17-octahydrocyclopentaphenanthren-3-oneatc coden07xx01 (who) identifiers iupac name (16α)-21--16-methylpregna-1,4,9(11)-triene-3,20-dione cas number110101-66-1 npubchem cid104903chemspider94673 yuniiyd064e883ikeggd08606 ychemblchembl1630578 nchemical and physical dataformulac38h52n6o2molar mass624.874 g·mol−13d model (jsmol)interactive image smiles o=c(cn4ccn(c2nc(nc(n1cccc1)c2)n3cccc3)cc4)6(c)c58c(=c/c56c)\/7(/c=c\c(=o)\c=c\7cc8)c inchi inchi=1s/c38h52n6o2/c1-26-22-31-29-9-8-27-23-28(45)10-12-37(27,2)30(29)11-13-38(31,3)35(26)32(46)25-41-18-20-43(21-19-41)34-24-33(42-14-4-5-15-42)39-36(40-34)44-16-6-7-17-44/h10-12,23-24,26,29,31,35h,4-9,13-22,25h2,1-3h3/t26-,29-,31+,35-,37+,38+/m1/s1 ykey:rbkasmjpsjdqky-rbfskhhssa-n y ny (what is this?) (verify) usage in treatment of stroke tirilazad currently has no usage in the clinical treatment of stroke.