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Laser therapy shows promise for chronic Bell's palsy

NCT ID NCT05846217

Symptom relief Sponsor: Beijing Tongren Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a special laser device (Multiwave Locked System) on 84 adults with Bell's palsy that had lasted more than 8 weeks. Participants received laser treatment three times a week for six months. The goal was to see if the laser could improve facial movement and reduce symptoms. The trial compared the real laser to a sham treatment.

What this could mean

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

Active substance
Multiwave Locked System laser (class IV NIR laser device)
What this could lead to
If it works, this could offer a non-drug treatment option for people with long-lasting Bell's palsy to improve facial function.
What could go wrong
This is a small, single-center trial with only 84 participants. The results may not apply to everyone, and the laser device is not widely available.

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

84 people

The number who actually took part.

Started

May 2021

Finished

Apr 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 60 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: * Patients were eligible for House-Brackmann grading system (HB) greater than or equal to grade 3. * Patients were adults over 18 years of age and under 60 years of age; * Patients were not received medicine before 2 weeks of trial, such as prednisolone. Exclusion Criteria: * Patients were excluded HB grade 6, or greater than 90% denervation on electroneuronography, or no voluntary electromyography activity, or no latency of early (R1) and late (R2, R2') components in Blink Reflex patients. * Patients were excluded serious mental illness or social problems, and neurological disorders. And systemic disease, such as severe diabetes, malignant tumors, and other serious consumptive diseases, planning for pregnancy, in pregnancy or lactation.

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Conditions

The condition(s) this trial relates to.

Bell's palsy

As listed by the trial registrant

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

Bell's palsy

Contacts and locations

Locations

  • Beijing TongRen Hospital, Capital Medical University

    Beijing, China

More trials for these conditions

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