Patent number: 7378428
Abstract: A nitrogen-containing bicyclic compound of formula (I) or a pharmaceutically acceptable salt thereof (wherein the symbols have the same meanings as described in the specification). The compound of formula (I) has an inhibitory activity against PDE7 and it is useful for the prevention and/or treatment of various diseases, i.e. autoimmune diseases (ulcerative colitis, Crohn's disease, rheumatism, psoriasis, multiple sclerosis, collagenosis, etc.), inflammatory diseases (obstructive pulmonary disease, sepsis, pancreatitis, sarcoidosis, nephritis, hepatitis, enteritis, etc.), allergic diseases (asthma, allergic rhinitis, allergic conjunctivitis, seasonal conjunctivitis, atopic dermatitis, etc.), rejection of organ transplants, serious graft versus host disease (GVHD), diabetic disease, osteoporosis, bone fracture, restenosis, atherosclerosis, obesity, ischemic reperfusion injury, depression, Parkinson's disease, dementia, leukemia, etc.
Type:
Grant
Filed:
January 30, 2003
Date of Patent:
May 27, 2008
Assignee:
Ono Pharmaceutical Co., Ltd.
Inventors:
Akira Ohhata, Yoshikazu Takaoka, Mikio Ogawa, Hisao Nakai, Susumu Yamamoto, Hiroshi Ochiai