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Laser showdown: which light works best for frozen shoulder?

NCT ID NCT05469672

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested two laser treatments—low-level and high-intensity—in 40 people with frozen shoulder (adhesive capsulitis). The goal was to see which better reduces pain, improves shoulder movement, and boosts daily function over three weeks. Both treatments are non-invasive and aim to offer relief without surgery or strong medications.

What this could mean

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

Active substance
low-level laser therapy (LLLT) and high-intensity laser therapy (HILT)
What this could lead to
If one laser type works better, it could offer a non-drug, non-surgical option to ease pain and improve shoulder movement in frozen shoulder patients.
What could go wrong
This is a small, completed trial with only 40 participants, so results may not apply to everyone. Laser therapy may not work for all patients, and benefits might be modest.

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

40 people

The number who actually took part.

Started

Dec 2020

Finished

Nov 2021

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

20 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: 1. patients aged between 25-65 years 2. patients clinically diagnosed with adhesive capsulitis, characterized by limitation of passive external rotation of the affected shoulder to less than 50% of the contralateral shoulder and normal radiographic finding of the affected shoulder 3. patients with severe pain and shoulder limitation for at least 3 months 4. patients who are literate and able to understand verbal instructions in our language. Exclusion Criteria: 1. Calcific tendinopathy, glenohumeral osteoarthritis, fracture, shoulder surgery, shoulder trauma, history of malignancy and infection, history of inflammatory rheumatic diseases 2. History of bilateral simultaneous adhesive capsulitis 3. Recent history of lung, breast, or bypass surgery/radiotherapy 4. History of corticosteroid injection to the same shoulder in the last 1 year 5. History of cervical radiculopathy/brachial plexus lesion 6. Neuromuscular disease history 7. History of physical therapy program for the same shoulder in the last 6 months.

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Conditions

The condition(s) this trial relates to.

frozen shoulder Pain somatoform disorder

As listed by the trial registrant

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

Low level laser therapy Pain disorder

Contacts and locations

Locations

  • Banu Ordahan

    Konya, Turkey (Türkiye)

More trials for these conditions

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