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Zap to the arm may get blood pumping – small study tests the idea

NCT ID NCT07354607

Knowledge-focused Sponsor: Centre Hospitalier Metropole Savoie 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study is testing whether transcutaneous electrical nerve stimulation (TENS) – a gentle electrical pulse on the skin – can increase blood flow in the arm. Thirty-six healthy adults will try six different stimulation settings to see which works best. The goal is to find the optimal frequency and electrode placement for the strongest blood flow response.

What this could mean

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

Active substance
transcutaneous electrical nerve stimulation (TENS)
What this could lead to
If successful, this could point toward a non-drug way to improve blood flow, possibly helping people with circulation problems.
What could go wrong
This is a very early, small pilot study in healthy volunteers, not patients. It only tests short-term effects, so real-world benefits are uncertain.

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 36 people

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

Started

Feb 2026

Expected to finish

Aug 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

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: * Subject aged 18 years or older * Having freely given written consent, after being informed of the purpose of the study, its conduct and its risks. * Affiliated with a social security scheme Exclusion Criteria: * Persons with pacemakers or any other implantable electrical devices, * Pregnant women * Suffering from dermatological conditions or muscle/skin lesions on the arms and forearms. * Participant unable to give free and informed consent. * Participant unable to comply with the specific procedures of the study. * Participant deprived of liberty or benefiting from legal protection measures.

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As listed by the trial registrant

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

Adult Volunteer

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

  • Centre Hospitalier Métropole Savoie

    RECRUITING

    Chambéry, 73000, France

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