Abstract: An IL-6 production inhibitor which comprises a hydroxamic acid derivative of formula (I) (wherein all the symbols have the same meanings as defined in the specification), an equivalent thereof, a non-toxic salt thereof or a prodrug thereof as an active ingredient. Because of having an IL-6 production inhibitory activity, the compound of formula (I) may be useful for the prevention and/or treatment of various inflammatory diseases, sepsis, multiple myeloma, plasma cell leukemia, osteoporosis, cachexia, psoriasis, nephritis, renal cell carcinoma, Kaposi's sarcoma, rheumatoid arthritis, hypergammaglobulinemia (gammophathy), Castleman's disease, intra-atrial myxoma, diabetes, autoimmune disease, hepatitis, colitis, graft-versus-host disease, infectious diseases, endometriosis and solid cancer.

Abstract: A piperidin-2-one derivative compound represented by formula (I): wherein all symbols are described in the specification, or a non-toxic salt thereof. The compound represented by formula (I) inhibits activation of p38MAP kinase, and is useful for prevention and/or treatment of various inflammatory diseases, rheumatoid arthritis, osteoarthritis, arthritis, osteoporosis, autoimmune diseases, infectious diseases, sepsis, cachexia, cerebral infarction, Alzheimer's disease, asthma, chronic pulmonary inflammatory diseases, reperfusion injury, thrombosis, glomerulonephritis, diabetes, graft versus host rejection, inflammatory bowel disease, Crohn's disease, ulcerative colitis, multiple sclerosis, tumor growth and metastasis, multiple myeloma, plasma cell leukemia, Castleman's disease, atrial myxoma, psoriasis, dermatitis, gout, adult respiratory distress syndrome (ARDS), arteriosclerosis, post-percutaneous transluminal coronary angioplasty (PTCA) restenosis or pancreatitis.

Abstract: Hydroxamic acid derivatives of the formula (I) 1

Abstract: Hydroxamic acid derivatives of the formula (I) (wherein all the symbols have the same meaning as defined in the specification.), non-toxic salt thereof or prodrugs thereof. The compounds of the formula (I) inhibit producing IL-6, so it may be used for the prevention and/or treatment of various inflammatory diseases, sepsis, multiple myeloma, plasma cell leukemia, osteoporosis, cachexia, psoriasis, nephritis, renal cell carcinoma, Kaposi's sarcoma, rheumatoid arthritis, hypergammaglobulinemia, Castleman's disease, atrial myxoma, diabetes mellitus, autoimmune diseases, hepatitis, colitis, graft versus host disease, infectious diseases and endometriosis.

Abstract: Poly(ADP-ribose)polymerase inhibitors containing as the active ingredient 2H-phthalazin-1-one derivatives represented by general formula (I) (wherein each symbol is as defined in the description) or salts thereof. The compounds of the general formula (I) inhibit poly(ADP-ribose)polymerase and are useful as preventives and/or remedies for various ischemic diseases (brain, heart, digestive tract, skeletal muscle, retina, etc.), inflammatory diseases (inflammatory intestinal diseases, multiple encephalosclerosis, arthritis, etc.), nerve degeneration diseases (extrapyramidal disorder, Alzheimer's disease, muscular dystrophy, etc.), diabetes, shock, head trauma, renal insufficiency, hyperalgesia, etc. These compounds are also useful as sensitizers for agents against retroviruses (HIV, etc.) and chemotherapy for cancer.

Abstract: A compound represented by formula (I): wherein all symbols are defined in the specification, or an acid addition salt thereof or a hydrate thereof; a process for preparing the same; and a nitrogen monoxide synthase inhibitor comprising the same as an active ingredient.

Abstract: A compound represented by formula (I): ##STR1## wherein all symbols are defined in the specification, or an acid addition salt thereof or a hydrate thereof; a process for preparing the same; and a nitrogen monoxide synthase inhibitor comprising the same as an active ingredient.