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Can a 4-Minute light zap to the brain help fight opioid addiction?

NCT ID NCT05995873

Disease control Sponsor: MindLight, LLC 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed trial tested a new approach for opioid use disorder: shining a specific type of near-infrared light on the scalp for just 4 minutes. The idea is to stimulate a healthier side of the brain to reduce addiction. Researchers compared the active light treatment to a sham (fake) device in 130 adults who were actively using opioids, giving treatments once or twice a week for 25 weeks.

What this could mean

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

Active substance
near-infrared light applied to the scalp (transcranial photobiomodulation)
What this could lead to
If it works, this could offer a new, non-drug treatment option to help people reduce opioid use and manage addiction.
What could go wrong
This is an early-stage study with no phase designation, and the results are not yet known. The treatment is experimental and may not prove effective compared to the sham 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

130 people

The number who actually took part.

Started

Jan 2024

Finished

Nov 2025

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

18 to 65 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: * Male or non-pregnant females between 18-65 years of age * Individuals having an opioid use disorder with mild-to-severe symptoms Exclusion Criteria: * Individuals who are pregnant, * Individuals who are psychotic, * Individuals who are actively suicidal, * Individuals who are a danger to self or others, * Individuals who are who have a history of severe psychiatric or neurological disorders or life-threatening medical illness. * Individuals will be excluded with chronic pain requiring opioid treatment. * Individuals who are who are breastfeeding, * Individuals who are adults requiring a legally authorized representative.

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Conditions

The condition(s) this trial relates to.

opiate dependence

As listed by the trial registrant

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

Opioid use disorder

Contacts and locations

Locations

  • MindLight, LLC

    Newton Highlands, Massachusetts, 02461, United States

More trials for these conditions

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