[HTML][HTML] Is the sulphonamide radical in the celecoxib molecule essential for its analgesic activity?

BCA Gassani, RM Rezende, P Paiva-Lima… - Pharmacological …, 2010 - Elsevier
In a model of peripherally induced inflammatory pain in rats, selective inhibitors of
cyclooxygenase (COX)-2 raised nociceptive thresholds above basal values, an effect …

The analgesic actions of centrally administered celecoxib are mediated by endogenous opioids

RM Rezende, WGP Dos Reis, IDG Duarte, PP Lima… - Pain, 2009 - journals.lww.com
Celecoxib is a selective inhibitor of cyclooxygenase-2 (COX-2) and blocks prostaglandin
(PG) biosynthesis associated with inflammatory conditions. In a model of peripherally …

Celecoxib induces tolerance in a model of peripheral inflammatory pain in rats

RM Rezende, P Paiva-Lima, WGP Dos Reis… - …, 2010 - Elsevier
Celecoxib is a non-steroidal anti-inflammatory drug (NSAID) that selectively inhibits
cyclooxygenase-2 (COX-2). Like most NSAIDs, celecoxib exhibits analgesic effects in …

Selective inhibitors of cyclo‐oxygenase‐2 (COX‐2) induce hypoalgesia in a rat paw model of inflammation

JN Francischi, CT Chaves, ACL Moura… - British Journal of …, 2002 - Wiley Online Library
It is well‐established that inhibitors of cyclo‐oxygenase (COX) and hence of prostaglandin
(PG) biosynthesis reverse inflammatory hyperalgesia and oedema in both human and …

Crucial involvement of actin filaments in celecoxib and morphine analgesia in a model of inflammatory pain

P Paiva-Lima, RM Rezende, R Leite… - Journal of Pain …, 2012 - Taylor & Francis
Background Celecoxib exerted analgesic effects (hypoalgesia) reversed by opioid receptor
antagonists in a model of inflammatory pain. To analyze this celecoxib-induced hypoalgesia …

The cyclooxygenase isozyme inhibitors parecoxib and paracetamol reduce central hyperalgesia in humans

W Koppert, A Wehrfritz, N Körber, R Sittl, S Albrecht… - Pain, 2004 - journals.lww.com
Non-steroidal antiinflammatory drugs (NSAIDs) are known to induce analgesia mainly via
inhibition of cyclooxygenase (COX). Although the inhibition of COX in the periphery is …

Endogenous opioids mediate the hypoalgesia induced by selective inhibitors of cyclo-oxygenase 2 in rat paws treated with carrageenan

DS França, DL Ferreira-Alves, IDG Duarte… - …, 2006 - Elsevier
Mechanical hyperalgesia induced in rat paws by carrageenan (250μg) was modified by pre-
treatment with three selective inhibitors of cyclo-oxygenase-2 (COX-2); celecoxib, rofecoxib …

An effective dose of valdecoxib in experimental mouse models of pain.

CX Guo, MG Irwin, KM Cheung… - Methods and findings in …, 2007 - europepmc.org
The effects of selective cyclooxygenase-2 (COX-2) inhibitors in biological functions are
frequently investigated in animal models. However, there is little data on their analgesic …

Comparison of the antinociceptive effect of celecoxib, diclofenac and resveratrol in the formalin test

JE Torres-López, MI Ortiz, G Castañeda-Hernández… - Life Sciences, 2002 - Elsevier
The peripheral antinociceptive effect of the selective COX-2 inhibitor celecoxib in the
formalin-induced inflammatory pain was compared with that of resveratrol (COX-1 inhibitor) …

Prevention by celecoxib of secondary hyperalgesia induced by formalin in rats

APC Veiga, IDG Duarte, MN Ávila, PG da Motta… - Life sciences, 2004 - Elsevier
Administration of formalin in rat paws results in stimulation of nociceptive pathways, which
leads to an increase in the excitability of neurons present in dorsal horn. This increased …