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Could a jaw device help you sleep better? new study investigates

NCT ID NCT07359638

Symptom relief Sponsor: University of Calgary Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether a custom mouthpiece that gently moves the lower jaw forward during sleep can improve sleep quality, heart rate patterns, and blood oxygen levels. About 24 healthy adults aged 40-65 will wear both the active device and a placebo device to compare effects. The goal is to see if this simple approach can help people sleep more restfully.

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

About 24 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2026

Expected to finish

Oct 2026

An estimate. End dates often move.

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

40 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Healthy adults aged 40-65 years * Male or female * Body mass index (BMI) between 25 and 35 kg/m² * Full set of permanent teeth to the first molar * No clinically diagnosed underbite (Class III malocclusion) * Generally healthy with no diagnosed sleep disorders * Not currently using continuous positive airway pressure (CPAP) therapy * Employed in predominantly desk-based or professional roles Exclusion Criteria: * Diagnosed underbite (Class III malocclusion) * Current orthodontic treatment, braces, dentures, or pending dental work * Use of CPAP therapy or diagnosis of severe sleep apnea * Significant temporomandibular joint (TMJ) pain or dysfunction * Current smoker or use of tobacco or vaping products * Presence of major medical or psychiatric conditions that may affect sleep or autonomic function (e.g., cardiovascular disease, uncontrolled hypertension, anxiety, or depression) * Pregnancy

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Conditions

The condition(s) this trial relates to.

insomnia sleep disorder

As listed by the trial registrant

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

Sleep

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Canadian Sport Institute Alberta

    RECRUITING

    Calgary, Alberta, T3B 6B7, Canada

More trials for these conditions

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