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Published on: September 16, 2011
Pharmacological actions of diaspirins, potential antisickling agents: analgesic and anti-inflammatory effects
Abstract:
Three aspirin analogs, dibromoaspirin, bis(3,5-dibromosalicyl) succinate and bis(3,5-dibromosalicyl) fumarate, potential antisickling agents, were compared with acetylsalicylic acid (aspirin) for their analgesic, body temperature and anti-inflammatory effects in the laboratory mouse and rat. In the analgesic assay, using the "writhing method", only a 200 mg/kg dose of the diaspirin succinate significantly reduced the writhing response induced by phenylacetic acid. Only a dose of 800 mg/kg of acetylsalicylic acid significantly decreased writhing. These analog compounds had only slight hypothermic effects, the reduction in body temperature not being appreciable. On the other hand, they were effective anti-inflammatory agents, comparable to aspirin; a dose of 200 mg/kg very significantly reduced the paw edema due to injected carrageenan.
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