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Spinal stimulation showdown: which waveform eases chronic pain best?

NCT ID NCT03681262

Symptom relief Sponsor: Stanford University 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 This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two types of spinal cord stimulation—high frequency and burst—for treating chronic back and leg pain. Seven adults who are candidates for spinal cord stimulation will be randomly assigned to one waveform and tracked for at least 36 months. The goal is to see which provides better pain relief and function over the long term, and to test a system that integrates research into routine care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
spinal cord stimulation device (high frequency or burst waveforms)
What this could lead to
If successful, this could help doctors choose the best spinal cord stimulation waveform for long-term pain relief in patients with chronic back or leg pain.
What could go wrong
This is a very small study (7 participants) and only tests feasibility, so results may not apply to all patients. It does not test a new treatment, just compares existing options.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

7 people

The number who actually took part.

Started

Aug 2019

Expected to finish

Dec 2026

An estimate. End dates often move.

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.

Ages

18 years and older

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. Adult English-speaking patient 18 years old or above 2. Persistent pain in lower back and/or leg for more than six months 3. Candidate for spinal cord stimulation (with either high frequency or burst waveforms) based on recommendations from Stanford Pain Management Center Neuromodulation Multidisciplinary Team Conference. Exclusion Criteria: 1. Motor weakness in neurological examination in lower body based on the assessment by treating pain physicians 2. Previous failed spinal cord stimulation trial with either high frequency or burst waveforms 3. Patient refusal

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome

As listed by the trial registrant

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

Chronic pain

Contacts and locations

Locations

  • Stanford Pain Management Center

    Redwood City, California, 94063, United States

More trials for these conditions

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