THERAPEUTIC AGENT FOR TREATING MENTAL DISEASE

摘要

PURPOSE: To obtain a curing agent for human psychasthenia having high miscibility to aγ-receptor and useful for curing of a human neurological diseases by containing specific compounds. CONSTITUTION: This curing agent contains a pure optical isomer or a mixture of optical isomers in a free base state or a pharmaceutically allowable acid added salt state of a compound of the formula (R<1> is a halogen or hydroxy; R<2> is H or methyl; R<3> is H or a halogen) in an amount effective for anti- neurological diseases. As the compound of the formula, (±)erythro-α-(4- hydroxyphenyl)-β-methyl-4-(phenylmethyl)-1-piperidine ethanol is exemplified. The compound of the formula is used in a formulation of tablet or capsule and within a range of 1-120mg of an active substance by combinedly using with a suitable excipient.