Stroke Clinical Trial - Post-stroke Pain taVNS

Status Recruiting

Clinical Trial Summary

The purpose of this study is to explore whether a non-invasive form of ear stimulation called transcutaneous auricular vagus nerve stimulation (taVNS) can change the way participants perceive pain. Investigators will recruit up to 20 participants with chronic post-stroke upper extremity pain. The goal is to determine if there is a pain reduction after ear stimulation.

Clinical Trial Description

In this study, investigators main goal is to establish transcutaneous auricular vagus nerve stimulation (taVNS) as an effective non-invasive neuromodulation method for analgesia of post-stroke upper extremity pain. Participants are required to have an ischemic or hemorrhagic stroke that occurred at least 6 months prior and are currently suffering upper extremity pain. Each participant will undergo an in-person visit. Participants will first finish the pain questionnaires and have quantitative sensory testing (QST) conducted to determine baseline pain thresholds. Participants will then receive 30 minutes of taVNS (either active or sham). Upon the completion of the stimulation intervention, participants will then be tested for another QST and pain questionnaires. Aim 1: Test the safety and feasibility of taVNS in participants with chronic post-stroke upper extremity pain. Over the last 8 years, investigators have demonstrated that taVNS is safe and feasible in several different populations in our previous studies. Specifically, investigators have demonstrated that taVNS is well tolerated and safe for participants with chronic stroke in our previous clinical trial. In this study, investigators will further verify the safety and feasibility of taVNS in the population with chronic post-stroke upper extremity pain. Aim 2: Investigate whether taVNS can modulate pain in this population compared to sham. In this single-visit, double-blinded, sham-controlled pilot trial, investigators will compare changes in post-stroke upper extremity pain scores and pain threshold derived from QST before and after a 30-minute taVNS intervention, as well as between active and sham taVNS. The findings will help investigators understand whether taVNS can modulate pain in this population. ;

Study Design

Related Conditions & MeSH terms

Pain
Stroke

Clinical Trial Details

NCT number	NCT06456385
Study type	Interventional
Source	Medical University of South Carolina
Contact	Xiaolong Peng, PhD
Phone	843-792-9502
Email	pengxi@musc.edu
Status	Recruiting
Phase	N/A
Start date	June 4, 2024
Completion date	June 3, 2025

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.