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[Tapentadol: with two mechanisms of action in one molecule effective against nociceptive and neuropathic pain. Preclinical overview].

Abstract
Tapentadol (3-[(1R, 2R)-3-(dimethylamino)-1-ethyl-2-methylpropyl] phenol) is a centrally acting analgesic of a new substance class for the treatment of severe nociceptive and neuropathic pain. Tapentadol combines μ-opioid receptor (MOR) agonism and noradrenaline reuptake inhibition (NRI) in one molecule. Because of the combined mechanisms of action tapentadol offers a broad therapeutic spectrum for nociceptive as well as neuropathic pain. In different animal models its high efficacy was shown in acute nociceptive, acute and chronic inflammatory as well as in chronic neuropathic pain. Using several preclinical approaches it was shown that the noradrenergic component of tapentadol interacts with the opioid component and that both synergistically contribute to the analgesic effect of the substance. In comparison to known drugs with only one of the two modes of action, tapentadol, despite its high potency, has an improved tolerability profile in the relevant animal models, particularly with regard to gastrointestinal and central side effects. Tapentadol acts directly without metabolic activation and without formation of analgesically relevant metabolites. In different interaction studies a low potential for interactions was shown, thus clinically relevant drug-drug interactions are unlikely. Overall, tapentadol provides a safe pharmacodynamic-pharmacokinetic profile.
AuthorsT M Tzschentke, T Christoph, W Schröder, W Englberger, J De Vry, U Jahnel, B Y Kögel
JournalSchmerz (Berlin, Germany) (Schmerz) Vol. 25 Issue 1 Pg. 19-25 (Feb 2011) ISSN: 1432-2129 [Electronic] Germany
Vernacular TitleTapentadol: mit zwei Mechanismen in einem Molekül wirksam gegen nozizeptive und neuropathische Schmerzen. Präklinischer Überblick.
PMID21258822 (Publication Type: Journal Article, Review)
Chemical References
  • Adrenergic Uptake Inhibitors
  • Analgesics, Opioid
  • Phenols
  • Receptors, Opioid, mu
  • Morphine
  • Tapentadol
  • Norepinephrine
Topics
  • Adrenergic Uptake Inhibitors (pharmacology)
  • Analgesics, Opioid (pharmacology)
  • Animals
  • Brain (drug effects)
  • Disease Models, Animal
  • Dose-Response Relationship, Drug
  • Humans
  • Morphine (pharmacology)
  • Neuralgia (drug therapy, physiopathology)
  • Nociceptors (drug effects)
  • Norepinephrine (metabolism)
  • Pain Measurement (drug effects)
  • Phenols (pharmacology)
  • Receptors, Opioid, mu (agonists)
  • Spinal Cord (drug effects)
  • Tapentadol

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