Methadone in the treatment of neuropathic pain

Bruno Gagnon, Abdulaziz Almahrezi, Gil Schreier

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

Background: Methadone, being an N-Methyl-D-Aspartate receptor antagonist, may have a potential role in the treatment of neuropathic pain. Objectives: To evaluate the effect of methadone in the treatment of neuropathic pain and to estimate the possible dose ranges needed for pain control. Methods: Methadone was offered as a treatment option to consecutive cancer and noncancer patients with neuropathic pain. Pain intensity was measured by the visual analogue scale (VAS) (0-10 cm where 0 = no pain and 10 = worst possible pain). Mechanical allodynia and paroxysmal (shooting) pain were assessed clinically. All assessments were collected prospectively before treatment and once a stable dose of methadone was reached. Results: A total number of 18 patients met our inclusion criteria. The mean pretreatment VAS ± SD was 7.7±1.5 cm and this dropped significantly to 1.4±1.7 cm on a stable dose of methadone (P

Original languageEnglish
Pages (from-to)149-154
Number of pages6
JournalPain Research and Management
Volume8
Issue number3
Publication statusPublished - Sep 2003

Keywords

  • Cancer pain
  • Methadone
  • Neurophathic pain
  • Opioids

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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