Cochrane · systematic review · CD012499

Methadone for neuropathic pain in adults

McNicol, ED, Ferguson, MC, Schumann, R · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
6
No studies
1
Included studies
NR
No studies 1 · 14.3%Ungraded 0 · 0%Very low 6 · 85.7%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Methadone compared with placebo for neuropathic pain

Population: adults with chronic neuropathic pain
7 questions
OutcomeEffectEvidenceStatus / GRADE
Moderate benefit:at least 30% reductionin pain, orPGIC much or verymuch improved
Methadone vs placebo
no estimate extracted2 studies · 29 participantsVery low
Substantial benefit:at least 50% reductionin pain, orPGIC much improved
Methadone vs placebo
no estimate extracted1 study · 19 participantsVery low
Withdrawals due to lack of efficacy
Methadone vs placebo
no estimate extracted2 studies · 29 participantsVery low
Withdrawals due toadverse event withdrawal
Methadone vs placebo
no estimate extracted2 studies · 29 participantsVery low
Participants experiencing anyserious adverseevents
Methadone vs placebo
no estimate extractedNRVery low
Deaths
Methadone vs placebo
no estimate extractedNRVery low
CI: confidence interval.
Methadone vs placebo
no estimate extractedNRNo studies