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Cryoneurolysis Outcome on Pain Experience (COPE) in Patients With Low-back Pain — COPE  

Chronic Low-back Pain Clinical Trial

Official title:
Cryoneurolysis Outcome on Pain Experience (COPE) in Patients With Low-back Pain - a Single-blinded Randomized Controlled Trial

Clinical Trial Summary

This study will provide information on the effectiveness of cryoneurolysis for patients with facet joint pain syndrome, and help to establish whether cryoneurolysis should be implemented in clinical practice for this patient population.

Clinical Trial Description

Background: Low-back pain, including facet joint pain, accounts for up to 20 percent of all sick leaves in Denmark; among these are patients with facet joint pain syndrome. A proposed treatment option is cryoneurolysis. This study aims to investigate the effect of cryoneurolysis in lumbar facet joint pain syndrome Methods: A single-center randomized controlled trial (RCT) is performed including 120 participants with chronic facet joint pain syndrome, referred to the Department of Neurosurgery, Aarhus University Hospital. Eligible patients receive a diagnostic anesthetic block, where a reduction of pain intensity >50 % on a numerical rating scale (NRS) is required to be enrolled. Participants are randomized into three groups to undergo either one treatment of cryoneurolysis, radiofrequency ablation or placebo. Fluoroscopy and sensory stimulation is used to identify the intended target nerve prior to administrating the above-mentioned treatments. All groups receive physiotherapy for 6 weeks, starting 4 weeks after treatment. The primary outcome is a reduction in low-back pain intensity and an impression of change in pain after intervention (Patient Global Impression of Change (PGIC)) at 4 weeks follow-up, prior to physiotherapy. Secondary outcomes are quality of life (EQ-5D, SF-36) and level of function (Oswestry Disability Index), psychological perception of pain (Pain Catastrophizing Scale) and depression status (Major Depression Inventory). Data will be assessed at baseline (T0), randomization (T1), day one (T2), 4 weeks (T3), 3 (T4), 6 (T5) and 12 months ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04786145
Study type Interventional
Source University of Aarhus
Contact
Status Active, not recruiting
Phase N/A
Start date February 15, 2020
Completion date October 1, 2022
View Details
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