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Sensory Responses to Dorsal Root Stimulation

NCT04725006 · Status: WITHDRAWN · Type: OBSERVATIONAL

Last updated 2025-10-15

No results posted yet for this study

Summary

The goal of this project is to characterize the types of sensations that can be evoked via electrical stimulation of the spinal cord and spinal nerves. Patients will be recruited from a local pain clinic, each with a spinal cord stimulation device implanted, to participate in experiments to explore the ability to modulate and control the modality, intensity, focality, and location of the sensations evoked by stimulation through the spinal cord stimulator leads. Investigators will connect spinal cord stimulator leads to a custom stimulator system and will ask subjects to report the types of sensations felt. Invesigators will also perform detailed psychophysical metrics to examine participants' ability to discriminate sensations.

Conditions

  • Amputation
  • Sensation, Phantom

Interventions

DEVICE

Spinal cord stimulation system

These systems are indicated as an aid in the management of chronic intractable pain of the trunk and/or limbs, including unilateral or bilateral pain associated with the following: failed back surgery syndrome, intractable low back pain and leg pain. Stimulation will be applied to the system using an external stimulator to see if sensations can be evoked in the participant's limb/foot.

Sponsors & Collaborators

  • Lee Fisher, PhD

    lead OTHER

Principal Investigators

  • Lee Fisher, PhD · University of Pittsburgh

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-12-16
Primary Completion
2025-07-11
Completion
2025-10-07
FDA Device
Yes

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04725006 on ClinicalTrials.gov