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Could a simple mouthpiece silence snoring?

NCT ID NCT05497180

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

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 16, 2026 · Last updated Sep 17, 2026 · Updated 1 time

Summary

Researchers at the University of Alberta are testing whether a passive myofunctional appliance can treat snoring and mild obstructive sleep apnea. The study enrolls 40 adults who snore or have mild sleep apnea. Participants use either the passive appliance or a standard oral appliance, and researchers measure snoring volume with a phone app. The goal is to see if the passive device offers a faster, less expensive option than custom-made dental appliances.

What this could mean

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

Active substance
a passive myofunctional appliance, a mouthpiece worn during sleep
What this could lead to
If it works, this could offer a faster, cheaper mouthpiece option for people with snoring or mild sleep apnea.
What could go wrong
This is a small, early-stage study. The appliance may not reduce snoring or apnea enough, and it may not suit everyone.

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 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 40 people

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

Started

Jul 2022

Expected to finish

Jul 2030

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

18 years and older

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: * Patients diagnosed with mild obstructive sleep apnea or snoring without sleep apnea. * Patients 18 years or older * Patients able to provide consent to treatment and participation in the study Exclusion Criteria: * Patients previously diagnosed as non-responders to oral appliance therapy for their sleep apnea * Patients undergoing other active therapies for their sleep apnea * Patients with a history of airway/sleep breathing surgical interventions * Participants with a history of airway/sleep breathing surgical intervention are not eligible to be a part of this study do to risk of skewing test results * Patients with craniofacial, syndromic, or neuromuscular disorders * Patients with acute medical conditions requiring immediate attention * Participants with an acute medical problem will be immediately referred to an appropriate physician and will not be allowed to enroll in the study until their health conditions are stable.

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Conditions

The condition(s) this trial relates to.

obstructive sleep apnea syndrome

As listed by the trial registrant

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

Sleep apnea, obstructive

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

  • Enjoy Dental

    RECRUITING

    Edmonton, Alberta, T5X 3N5, Canada

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