Pain medicine

Systematic review and network meta-analysis of randomized trial evidence of spinal cord stimulation for chronic pain

Reg Anesth Pain MedPublished Systematic review and network meta-analysis of randomised trials

Authors' conclusion

There is low to moderate certainty of evidence that all types of SCS are superior to CMM for the management of chronic pain conditions.

Study context

Population
Adults with chronic pain16 RCTs (23 reports)
Comparison
Spinal cord stimulation (SCS) vs conventional medical management
Outcome
Pain intensity (0-10)
Follow-up
Last (within the first 24 months)
Methodological detailsfrequentist framework, direct and indirect evidence, Searched MEDLINE, CENTRAL, Embase, WikiStim to December 19, 2024
  • Frequentist framework
  • Direct and indirect evidence
  • Searched MEDLINE, CENTRAL, Embase, WikiStim to December 19, 2024

Pooled result

As reported in the abstract

15 trials, 1479 participants
Each group vs CMMEstimate (95% CI)
SCS
MD (lowest of range) −2.37(−3.54 to −1.20)
SCS
MD (highest of range) −5.55(−7.34 to −3.76)

Further pooled results

OutcomeMD (range) (95% CI)
Physical function · 6 monthsSCS vs CMM · 8 trials, 837 participants · low certainty evidence−0.20 (−10.24 to 9.85)
Physical function · 6 monthsSCS vs CMM · 8 trials, 837 participants · low certainty evidence−31.04 (−44.36 to −17.33)
HRQoL · 6 monthsSCS vs CMM · 8 trials, 942 participants · moderate certainty evidence0.15 (0.09–0.20)
HRQoL · 6 monthsSCS vs CMM · 8 trials, 942 participants · moderate certainty evidence0.29 (0.20–0.37)
OutcomeOR (range) (95% CI)
Responder (≥50% reduction in pain intensity) · last follow-upSCS vs CMM · 13 trials, 1887 participants · very low certainty evidence9.75 (4.07–23.25)
Responder (≥50% reduction in pain intensity) · last follow-upSCS vs CMM · 13 trials, 1887 participants · very low certainty evidence63.4 (18.76–212.55)

Original publication

Systematic review and network meta-analysis of randomized trial evidence of spinal cord stimulation for chronic pain. Reg Anesth Pain Med. Published 6 January 2026. doi:10.1136/rapm-2025-107068

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