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Anesth Analg 2005;101:1763-1769
© 2005 International Anesthesia Research Society
doi: 10.1213/01.ane.0000184182.03203.61

PAIN MEDICINE

The Effects of Diacerhein on Mechanical Allodynia in Inflammatory and Neuropathic Models of Nociception in Mice

Nara L. M. Quintão, MSc, Rodrigo Medeiros, MSc, Adair R.S. Santos, PhD, Maria M. Campos, PhD, and João B. Calixto, PhD

Departments of Pharmacology and Physiology, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil

Address correspondence and reprint requests to João B. Calixto, PhD, Department of Pharmacology, Campus Universitário, Universidade Federal de Santa Catarina, 88049–900, Florianópolis SC, Brazil. Address e-mail to calixto{at}farmaco.ufsc.br or calixto3{at}terra.com.br.

In this study we analyzed the systemic antiallodynic properties of diacerhein, a drug used to treat osteoarthritis, in inflammatory and neuropathic models of nociception in mice. The effects of diacerhein were compared with those of gabapentin, a drug used clinically for the management of neuropathic pain. Similar to gabapentin, diacerhein was able to significantly reverse the mechanical allodynia induced by carrageenan. A significant inhibition of carrageenan-induced nociception was also observed when diacerhein was administered by the intrathecal but not by the intraplantar route. The treatment with diacerhein or with gabapentin also inhibited the mechanical allodynia induced by complete Freund’s adjuvant (CFA) or after the partial ligation of the sciatic nerve (PLSN). In the same range of doses, diacerhein or gabapentin did not affect the locomotor activity, motor coordination, or body temperature of the animals. The present results indicate that diacerhein produces marked antiallodynic effects in carrageenan and CFA nociception models and also inhibits the neuropathic pain after PLSN, with an efficacy similar to that observed for gabapentin. Diacerhein may be a potentially interesting tool for the management of inflammatory and neuropathic pain.




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[Abstract] [Full Text] [PDF]


Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 2005 by the International Anesthesia Research Society.