The methadone is an useful opioid for the cancer pain treatment, mostly used in second or last line during the opioid rotation. The Methadone had an anti-MNDA effect, and clinicians agree that the methadone could have an effect in neuropathic cancer pain. During a previous study the investigators find that the pain was still improving after the week 2, but they had only a small number of patients still included at this stage and they cannot conclude. The investigators decide to follow up systematically all the patients undergoing a methadone treatment for cancer pain, at day 28, to study the hypothesis about the long-term pain improvement.
Study Type
OBSERVATIONAL
Enrollment
50
Unité de Soins Palliatifs - Hospices Civils de Lyon - Centre Hospitalier Lyon Sud, 165 Chemin du Grand Revoyet
Pierre-Bénite, France
RECRUITINGDifference between EVA pain score at Day 28 and Day 0
long-term effects of methadone for cancer pain
Time frame: pain score measure at Day 0 and Day 28
Change in score of neuropathic pain intensity NPSI
Time frame: Day 0 and Day 28
Change in depression and anxiety score HADS
Time frame: Day 0 and Day 28
Change in quality of life score QOL C30
Time frame: Day 0 and Day 28
Side effect record
Time frame: up to Day 28
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