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Tiny study on nerve stimulation for pain halted early

NCT ID NCT03670147

Knowledge-focused Sponsor: Massachusetts General Hospital 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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at a type of spinal cord stimulation (SCS) that doesn't cause tingling, called paresthesia-free SCS, in 10 adults with chronic pain. Researchers wanted to see how well it works and how it affects pain perception. The study was terminated early, so the findings are very limited.

What this could mean

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

Active substance
paresthesia-free spinal cord stimulation (PF-SCS) device programming
What this could lead to
If successful, this could help doctors better select which chronic pain patients will benefit from spinal cord stimulation, an expensive and invasive therapy.
What could go wrong
The study was terminated early with only 10 participants, so results are very limited. It was designed to understand how SCS works, not to prove a new treatment works.

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

10 people

The number who actually took part.

Started

Dec 2018

Finished

Dec 2022

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 to 80 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: * Subject will be 18-80 years old * Subject who is currently treated with PF-SCS (HF-10 or Burst-mode capable SCS system) for chronic pain Exclusion Criteria: * Subject has neurological disease or a condition causing chronic persistent sensory deficit to the painful area * Those receiving remuneration for their pain treatment (pending litigation or ongoing litigation). * Those unable to read English and complete the assessment instruments.

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome Saethre-Chotzen syndrome

As listed by the trial registrant

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

Chronic pain SCS

Contacts and locations

Locations

  • MGH Center for Translational Pain Research

    Boston, Massachusetts, 02114, United States

More trials for these conditions

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