British journal of anaesthesia
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Randomized Controlled Trial Multicenter Study Comparative Study
Multicentre evaluation of the adenosine agonist GR79236X in patients with dental pain after third molar extraction.
Adenosine is analgesic in humans, and the selective adenosine A1 receptor agonist GR79236X has significant anti-nociceptive activity in an animal pain model of inflammatory pain. ⋯ We found no evidence of efficacy of GR79236 compared with placebo, but the active control diclofenac was effective. It is possible that a higher dose of GR79236 might have been effective or that i.v. administration of this drug does not achieve appropriate concentrations in the brain or peripheral nerves.