Abstract
Papaverine salicylate (MR-800) has been tested as a topical antiinflammatory agent in several models of skin inflammation in rodents, such as mouse ear dermatitis induced by croton oil, cantharidin or zymosan, and rat paw oedema induced by PAF. MR-800 exerted a dose-dependent inhibitory activity in all assays, when equimolar doses of sodium salicylate or papaverine were less effective, suggesting the existence of a favourable synergism between salicylate and papaverine.
MeSH terms
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Animals
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Anti-Inflammatory Agents, Non-Steroidal / pharmacology*
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Cantharidin
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Croton Oil
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Dermatitis / pathology
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Dermatitis / prevention & control*
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Dose-Response Relationship, Drug
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Ear, External / pathology
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Edema / chemically induced
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Edema / pathology
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Edema / prevention & control*
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Male
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Mice
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Papaverine / analogs & derivatives*
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Papaverine / pharmacology*
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Platelet Activating Factor
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Rats
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Rats, Sprague-Dawley
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Zymosan
Substances
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Anti-Inflammatory Agents, Non-Steroidal
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Platelet Activating Factor
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papaverine salicylate
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Croton Oil
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Zymosan
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Papaverine
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Cantharidin