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Spinal stimulation sensation study pulled before start

NCT ID NCT04725006

Knowledge-focused Sponsor: Lee Fisher, PhD Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled This study
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study was designed to explore what kinds of feelings (like touch or tingling) could be created by electrically stimulating the spinal cord in people with amputations who experience phantom limb pain. Researchers planned to work with patients who already had a spinal cord stimulator implanted for pain management. However, the study was withdrawn before enrolling any participants, so no findings are available.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Started

Dec 2020

Finished

Oct 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Individuals undergoing a 7-day trial period of percutaneous DRG or spinal root stimulation.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Subjects must be between the ages of 18 and 70 years old. 2. Subjects must be undergoing an epidural spinal cord implanted electrode array clinical trial with Dr. Helm for the management of pain. 3. Persons must understand the consent and the procedures. Exclusion Criteria: 1. Persons with open wounds; 2. Persons with implanted metal rods in the spine or limbs; 3. Persons with defibrillator or pacemaker; 4. Persons with permanent skin metal tags or decorations.

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Conditions

The condition(s) this trial relates to.

chronic pain syndrome Pain Phantom Limb

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Amputation Sensation, phantom

Contacts and locations

Locations

  • University of Pittsburgh

    Pittsburgh, Pennsylvania, 15213, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.