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Light therapy shows promise for insomnia in seniors

NCT ID NCT06292819

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested whether special light devices can improve sleep in 60 adults aged 60 and older who have had insomnia for at least 3 months. Participants used bright light, near-infrared light, or both for three weeks. Researchers measured sleep quality, daytime sleepiness, and melatonin levels to see if the light therapy helped.

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

60 people

The number who actually took part.

Started

Apr 2024

Finished

Oct 2025

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

60 years and older

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: * Pittsburgh Sleep Quality Index score is 8 or above. * Early wakening ( 30 minutes before expected), or interruptted sleep for more than 30 minutes, lasting for more than 3 months. Exclusion Criteria: * Movement disorder, inability to move independently. * Skin diseases, skin cancer, photosensitive skin diseases, or taking drugs that may cause photosensitivity (lithium salts, melatonin, antibiotics, A acid). * Eye diseases such as glaucoma, diabetic retinopathy, and cataracts. * Bipolar disorder. * Light-induced epilepsy. * Sleep disorders such as sleep apnea and involuntary leg twitching. * Currently taking sedative-hypnotic drugs or receiving other non-drug treatments. * Beck depression inventory-II score is greater than 13 points. * Those who use cardiac rhythm regulators or artificial cardiopulmonary pacemakers. * Acute illness. * Abnormal blood pressure or fever. * Pregnancy and pregnant women. * Special physical abnormalities and sensory nerve abnormalities. * Infectious diseases. * Coagulation disorder.

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Conditions

The condition(s) this trial relates to.

insomnia

As listed by the trial registrant

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

Photobiomodulation

Contacts and locations

Locations

  • China Medical University Hospital

    Taichung, Taiwan

More trials for these conditions

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