Pain medicine

Analgesic Effect of Buprenorphine for Chronic Noncancer Pain: A Systematic Review and Meta-analysis of Randomized Controlled Trials

Anesth AnalgPublished Systematic review and meta-analysis of randomised trials

Pooled result · Pain scoreResult — go to the resultSMD −0.368

Authors' conclusion

Buprenorphine was associated with a statistically significant and small reduction in pain intensity compared to placebo.

Study context

Population
Patients with chronic noncancer pain without opioid use disorder (OUD)14 RCTs
Comparison
Buprenorphine vs placebo or active analgesic
Outcome
Pain intensity (SMD in pain score)
Methodological detailsrandom-effects model, Grade of Recommendations Assessment, Development, and Evaluation (GRADE) assessment, Only one study met the search criteria for patients with OUD, Quality of evidence low to moderate (GRADE)
  • Random-effects model
  • GRADE assessment
  • Only one study met the search criteria for patients with OUD
  • Quality of evidence low to moderate (GRADE)

Pooled result

Pain score

SMD

−0.368

P < 0.001

As reported in the abstract

Further pooled results

OutcomeSMDP value
Pain score, vs placebo (subgroup)−0.404P < 0.001
Pain score, vs active analgesic (subgroup)No significant difference0.045P > 0.05
Pain score, chronic low back pain (subgroup)−0.383P < 0.001
Pain score, transdermal route (subgroup)−0.572P = 0.001
Pain score, buccal route (subgroup)−0.453P < 0.001
Pain score, follow-up <12 weeks (subgroup)−0.848P < 0.05
Pain score, follow-up 12 weeks or more (subgroup)−0.415P < 0.001

Original publication

Analgesic Effect of Buprenorphine for Chronic Noncancer Pain: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Anesth Analg. Published 16 June 2023. doi:10.1213/ane.0000000000006467

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