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  • Title: Anti-inflammatory, analgesic, and antipyretic effects and gastrointestinal toxicity of the new anti-inflammatory drug N-(3-[3-(piperidinylmethyl)phenoxy]propyl)-carbamoylmethylthio ]ethyl 1-(p-chlorobenzoyl) 5-methoxy-2-methyl-3-indolylacetate.
    Author: Segawa Y, Ohya O, Abe T, Omata T, Tsuzuike N, Itokazu Y, Yoshida K, Tagashira E, Ueda I.
    Journal: Arzneimittelforschung; 1992 Jul; 42(7):954-8. PubMed ID: 1418061.
    Abstract:
    The anti-inflammatory, analgesic, and antipyretic effects and gastrointestinal toxicity of N-(3-[3-(piperidinylmethyl) phenoxy] propyl)- carbamoylmethylthio] ethyl 1-(p-chlorobenzoyl) 5-methoxy-2-methyl-3-indolylacetate (CP-331, CAS 127966-70-5), a new anti-inflammatory drug, were evaluated using indomethacin as a control. CP-331 exerted anti-inflammatory, analgesic and antipyretic effects on the models of carrageenin-induced paw edema, increased vascular permeability, ultraviolet light-induced erythema, granuloma proliferation, adjuvant arthritis, inflammatory pain, and yeast-induced fever. However, these effects were observed at a molar level similar to or higher than that of indomethacin. In addition, CP-331 influenced more markedly than indomethacin the delayed type hypersensitivity to sheep red blood cells. On the other hand, CP-331 did not damage the gastric mucosa even at a high dose of 1,000 mg/kg and also induced slighter damage to the intestinal mucosa than indomethacin. Thus, CP-331 exerted anti-inflammatory, analgesic, and antipyretic effects but without showing gastric toxicity, which is a common side effect of anti-inflammatory drugs. These results suggest the clinical applicability of this drug in the long-term therapy of inflammatory diseases such as rheumatoid arthritis.
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