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Can a mild zapping of skin nerves unlock the secrets of chronic pain?

NCT ID NCT03037684

Knowledge-focused Sponsor: Swiss Paraplegic Research, Nottwil 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Aug 27, 2026 · Updated 3 times

Summary

This study is testing a mild electrical stimulation method on the skin to better understand nerve pain in people with neuropathy or chronic pain after surgery. Researchers will measure how pain intensity and thresholds change. The goal is to learn more about how pain signals work, not to provide a new treatment.

What this could mean

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

Active substance
slow depolarising transcutaneous electrical stimulation
What this could lead to
If successful, this could help doctors better understand how nerve pain works and possibly lead to new ways to diagnose or treat it.
What could go wrong
This is an early-stage study focused on measuring pain responses, not on providing a treatment. It is small (75 people) and may not lead to any direct benefit for participants.

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.

Participants

65 people

The number who actually took part.

Started

Mar 2017

Finished

Jan 2026

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

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

Who is studied

patients with neuropathic pain or with chronic postoperative pain

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Group (1) patients with neuropathic pain * Group (2) patients with chronic postoperative pain Exclusion Criteria (both Groups): * severe psychiatric disorder requiring hospitalisation in the past * any neurological disease other than the pain diagnosis

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Conditions

The condition(s) this trial relates to.

neuralgia neuritis Pain, Postoperative peripheral nervous system disorder

As listed by the trial registrant

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

Neuropathy;peripheral

Contacts and locations

Locations

  • Centre for Pain Medicine

    Nottwil, 6207, Switzerland

More trials for these conditions

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