Randomized Trialhigh evidence
ECAP-controlled closed-loop versus open-loop SCS for the treatment of chronic pain: 36-month results of the EVOKE blinded randomized clinical trial.
Regional anesthesia and pain medicine·May 7, 2024·PMID 37640452
Why it mattersThis is the first blinded, parallel RCT to show sustained superiority of closed-loop SCS over open-loop SCS at 36 months, addressing prior criticisms of SCS evidence. The durable pain relief and holistic benefits support ECAP-controlled SCS as a more effective long-term option for refractory chronic pain patients.
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