Healthcare, Vol. 13, Pages 3032: Patient-Centered Chronic Spinal Pain Management Using Exercise and Neuromodulation: Study Protocol for a Randomized Controlled Trial

Healthcare doi: 10.3390/healthcare13233032

Authors:
Borja Huertas-Ramirez
Eloy Jaenada-Carrilero
Mariola Belda-Antoli
Jesica Leal-Garcia
Monica Alonso-Martin
Alex Mahiques-Sanchis
Agustin Benlloch-Garcia
Francisco Falaguera-Vera
Juan Vicente-Mampel

Introduction: Persistent Spinal Pain Syndrome Type 2 (PSPS-T2) is associated with changes in the brain’s pain processing. This is often due to problems with the body’s natural way of handling the pain management system. Exercise therapy, such as motor control and spinal stabilization, can help reduce pain and disability. However, exercise alone may not be sufficient. Approaches that consider both body mechanics and brain function are gaining popularity. Since brain changes play a role in muscle and bone problems, noninvasive brain stimulation (NIBS) is considered a helpful adjunctive treatment. Studies have shown that NIBS may help people with spinal pain and mood disorders. The aim of this study is to assess the impact of combining tDCS targeting the dorsolateral prefrontal cortex with spinal motor control exercises in patients diagnosed with PSPS-T2. This investigation is based on the hypothesis that such a combined intervention could result in a more significant reduction in disability. Methods/Materials: This randomized controlled trial (RCT) is structured as a double-blind, comparative, longitudinal design in accordance with the CONSORT guidelines. This RCT has been registered at ClinicalTrials.gov (NCT06969456). Forty-two participants diagnosed with PSPS-T2 will be randomized in a 1:1 ratio into two groups: tDCS + rehabilitation (EtDCS) or sham tDCS + rehabilitation (ESHAM). The intervention will use tDCS to deliver low-intensity direct current to modulate cortical excitability. The intervention will consist of 24 supervised sessions (2 per week, 60 min each) over 12 weeks. Neuromodulation and exercise protocols will be adapted to the intervention phases based on previous research. The sample size has been calculated using GPower®, assuming an effect size of 0.81, α = 0.05, power = 0.95, and a 40% dropout rate. Data will be collected from October 2025 to January 2027. Impact Statement: This study integrates neurophysiological modulation via tDCS with targeted exercise therapy, presenting an innovative approach to enhance pain modulation, functional recovery, and cortical reorganization in patients with PSPT-2. This approach has the potential to inform future evidence-based strategies for neurorehabilitation and pain management.

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Borja Huertas-Ramirez www.mdpi.com