Patent ID: 8481016

Claim:
A method for inhibiting a potential-dependent cation channel, the method comprising administering to olfactory cells an adamantane derivative represented by the following formula (1) or a salt thereof: wherein R 1 and R 2 are identical with or different from each other, and each represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; and X represents —OH, —R 3 —OH (wherein R 3 represents an alkylene group having 1 to 6 carbon atoms), —NH 2 , —R 4 —NH 2 (wherein R 4 represents an alkylene group having 1 to 6 carbon atoms), —COOH, —R 5 —COOH (wherein R 5 represents an alkylene group having 1 to 6 carbon atoms), —CO—R 6 (wherein R 6 represents an alkyl group having 1 to 6 carbon atoms), —CO—R 7 —COO—R 8 (wherein R 7 represents an alkylene group having 1 to 6 carbon atoms, and R 8 represents an alkyl group having 1 to 6 carbon atoms), or —NHCO—R 9 (wherein R 9 represents an alkyl group having 1 to 6 carbon atoms).