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Night Workers' sleep problems: can a Melatonin-Like drug help?

NCT ID NCT07382843

Disease control Sponsor: Tri-Service General 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at 61 night workers aged 20-55 to understand how their sleep patterns relate to attention and heart rate. Participants took ramelteon (Rozerem), a drug similar to melatonin, for two weeks. Researchers measured changes in sleep quality, anxiety, and depression using standard questionnaires.

What this could mean

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

Active substance
Ramelteon (Rozerem), a melatonin-like drug
What this could lead to
If successful, this could point toward a simple short-term treatment to help night workers sleep better and feel less anxious or depressed.
What could go wrong
This is a small, completed Phase 4 study with only 61 participants. Results may not apply to all night workers, and ramelteon may cause side effects like dizziness or fatigue.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

61 people

The number who actually took part.

Started

Mar 2024

Finished

Dec 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

20 to 55 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: * The individuals aged 20-55 who are night workers whose working hours more than 4 hours duration between 22:00 to 06:00. * Meet the DSM-5 diagnostic criteria of this Circadian Rhythm Sleep Wake Disorders. Exclusion Criteria: * The individuals could not understand the online questionnaires and is not willing to fill out questionnaires. * The individual is not willing to have supplement with melatonin. * Not willing to have prescription with melatonin agonist ramelteon.

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Conditions

The condition(s) this trial relates to.

Chronobiology Disorders circadian rhythm sleep disorder

As listed by the trial registrant

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

Circadian rhythm disorders

Contacts and locations

Locations

  • Tri-Service General Hospital, National Defense Medical Center

    Taipei, 114, Taiwan

More trials for these conditions

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