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Reproducibility of photobiomodulation induced changes in local skin blood flow in healthy subjects

NCT ID NCT07809464

NEW Sponsor: Norwegian University of Science and Technology Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 09, 2026

Summary

This study investigated whether near-infrared photobiomodulation (PBM), a non-invasive light therapy, can consistently increase blood flow in the skin of healthy adults. Participants attended two identical study sessions in which they received both active PBM treatment and a placebo treatment using the same device with the light turned off. A subgroup of participants also completed a heat-control session to determine whether any changes in blood flow were caused by the light itself or by heat from the device.

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

16 people

The number who actually took part.

Started

Apr 2022

Finished

Oct 2023

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 50 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: * Healthy adults aged 18 to 50 years. * In good general health. * No reported illness during the 3 months preceding enrollment. * Able and willing to provide written informed consent. Exclusion Criteria: * Pregnancy. * Clinically unstable chronic disease. * Chronic dermatological conditions. * Any medical condition that, in the opinion of the study physician, would make participation unsafe or interfere with study procedures.

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As listed by the trial registrant

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

Local skin blood flow

Contacts and locations

Locations

  • NTNU, St Olavs Hospital

    Trondheim, Norway