Patent ID: 7550475

Claim:
A method for treatment of a disease selected from the group consisting of asthma, chronic obstructive pulmonary disease, atopic dermatitis, allergic rhinitis, psoriasis, rheumatoid arthritis, septic shock, ulcerative colitis, and Crohn's disease, which comprises administering an effective amount of a condensed polycyclic compound of the formula [I]: wherein, R 1 and R 2 are the same or different and each is a group selected from a hydroxy group or a lower alkoxy group; ring A 0 is a group of the formula: ring A is a group of the formula: wherein n is an integer of 1 to 6; Q is a single bond linked to ring A; and R a and R b are the same or different and each is a group selected from a hydrogen atom or a straight-or branched-chain acyl group having 1 to 6 carbon atoms, or a pharmaceutically acceptable salt thereof or an effective amount of a PDE4 inhibitor comprising as an active ingredient the said compound, to a patient in need thereof.