Therapeutic Mechanisms of Epidural Spinal Cord Stimulation

Status Recruiting

Clinical Trial Summary

Clinical Trial Description

The purpose of this study in patients undergoing routine care epidural spinal cord stimulation (SCS) is to determine 1) whether SCS reduces arterial blood pressure (BP) in patients which chronic low back pain and hypertension, 2) whether higher baseline BP (i.e., hypertension) predicts reductions in pain following SCS, and finally 3) whether different SCS waveforms elicits stimulus-evoked compound action potentials (ECAPs) in spinal cord and at the cortex (electroencephalography, and magnetoenchphalography). The Investigators will identify patients with chronic pain who are scheduled for SCS implant at the University of Alabama at Birmingham for management of chronic neuropathic pain as part of routine care. The research team will assess BP with an arm cuff arm cuff before and after the implant among patients providing written informed consent. The Investigators' central clinical hypothesis is that SCS decreases blood pressure in patients with chronic pain and comorbid hypertension. The Investigators further hypothesize that the SCS will improve serological markers of sympathetic nerve activity and kidney function, possibly due to reductions in spinal cord sympathetic nerve activity. A secondary hypothesis is that higher baseline blood pressure predicts larger reductions in blood pressure following SCS implant. Additionally, this project seeks to expand knowledge on therapeutic mechanisms of SCS via recording electrophysiological responses at the spinal cord (via adjacent, unused SCS contacts) and from EEG scalp recordings over the cerebral cortex. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05556902
Study type	Interventional
Source	University of Alabama at Birmingham
Contact	Chris Gonzalez, MS
Phone	(205) 975-3732
Email	clgonzalez@uabmc.edu
Status	Recruiting
Phase	N/A
Start date	August 2, 2022
Completion date	May 1, 2030

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