Patent No. 594561 Disclosed the use of (2R)-2-[[(4-chlorophenyl)sulfonyl][[2-fluoro-4-(1,2,4-oxadiazol-3-yl)phenyl]methyl]amino]-5,5,5-trifluoropentanamide in the preparation of a medicament for the treatment of head trauma, traumatic brain injury, and/or dementia pugilistica.