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Could a tiny nerve zap replace opioids after shoulder surgery?

NCT ID NCT07502170

Symptom relief Sponsor: University Hospital, Montpellier 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a small nerve stimulation device can reduce pain and the need for morphine after shoulder surgery. Sixty adults will be randomly assigned to receive either standard pain care or the device, which delivers gentle electrical pulses to nerves near the shoulder. The main goal is to see if the device lowers morphine use in the first two days after surgery.

What this could mean

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

Active substance
percutaneous peripheral nerve stimulation device
What this could lead to
If it works, this could offer a non-drug way to manage pain after shoulder surgery, reducing reliance on opioids.
What could go wrong
This is a small, early-stage trial with only 60 participants. The device may not provide better pain relief than standard care, and some patients may not tolerate the stimulation.

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 60 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Sep 2028

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: * Patients aged over 18 years old * Patients scheduled for shoulder surgery under regional and general anesthesia Exclusion Criteria: * Outpatient surgery * Patients scheduled for magnetic resonance imaging (MRI) * Patients with an implanted pacemaker * Patients receiving chronic opioid therapy * Opioid mesusage * Contraindication to general anesthesia * Contraindication to regional anesthesia * Contraindication to analgesics (morphine sulfate, nonsteroidal anti-inflammatory drugs or acetaminophen) * Any contraindication listed in the instructions for use of the investigational medical device * Inability to complete a self-assessment questionnaire * Inability to ensure follow-up for 72 hours postoperatively * Lack of written informed consent

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As listed by the trial registrant

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

Shoulder surgery

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

  • CHU de Montpellier

    Montpellier, France

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