Patent ID: 7649095

Claim:
A method for treating inflammatory diseases selected from asthma and obstructive lung disease, diabetes, allergic diseases selected from allergic rhinitis, atopic dermatitis and allergic conjunctivitis, autoimmune diseases selected from rheumatoid arthritis, psoriasis and multiple sclerosis, which comprises administering to a subject in need thereof an effective amount of a piperidine derivative compound represented by formula (I): wherein R represents 1) a hydrogen atom or 2) a cyano group; R 2 and R 3 each independently represents 1) a C1-8 alkyl group, 2) a C3-7 cycloalkyl group, 3) a C1-8 alkyl group substituted with a C3-7 cycloalkyl group, 4) a C1-8 alkyl group substituted with 1 to 3 halogen atom(s), 5) a hydrogen atom, 6) a C1-8 alkyl group substituted with a phenyl group, 7) a C1-8 alkyl group substituted with a C1-8 alkoxy group, or in which n represents 1 to 5; R 4 and R 5 each independently represents 1) a hydrogen atom or 2) a C1-8 alkyl group, or R 4 and R 5 are taken together with the binding carbon atom to represent a C3-7 saturated carbocyclic ring; R 6 represents 1) a hydroxyl group, 2) a C1-8 alkoxy group, 3) —NHOH, or 4) a C1-8 alkoxy group substituted with a phenyl group; and m is 0 or an integer of 1 to 4, or a nontoxic salt thereof.