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Could early use of a 'Smart' stimulator tame CRPS pain?

NCT ID NCT06421350

Symptom relief Sponsor: Scripps Health Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 tests whether using a closed-loop spinal cord stimulator early in complex regional pain syndrome (CRPS) works better than waiting until the chronic phase. The device automatically adjusts its settings based on the body's signals. Researchers will enroll 32 adults with CRPS and track changes in pain severity, stimulation levels, and a blood marker of pain over 6 months.

What this could mean

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

Active substance
Closed-loop spinal cord stimulation device
What this could lead to
If it works, this could show that treating CRPS early with a smart spinal cord stimulator provides better pain relief and may slow disease progression.
What could go wrong
This is a small early-stage study with only 32 people, so results may not apply to everyone. The device requires surgery and carries risks like infection or lead movement.

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

About 32 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2024

Expected to finish

Jun 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: * 18 years or older * neuromodulation naive patients with unilateral CRPS type 1 or type 2 (defined by Budapest Criteria) * pre-procedure psychological clearance Exclusion Criteria: * younger than 18 years * prior neuromodulation including spinal cord stimulation * prior dorsal root ganglion stimulation * prior peripheral nervous system stimulation * anatomical obstacles to dorsal column lead placement

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Conditions

The condition(s) this trial relates to.

complex regional pain syndrome complex regional pain syndrome type 1 complex regional pain syndrome type 2

As listed by the trial registrant

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

Complex regional pain syndromes

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Scripps Clinic Torrey Pines

    RECRUITING

    La Jolla, California, 92037, United States

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