Tiny study tests speech trick to improve sleep apnea mouthpieces
NCT ID NCT05553860
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This completed study tested two different methods for positioning a dental sleep appliance used to treat obstructive sleep apnea. Eleven adults each tried both a standard forward-jaw technique and a technique based on saying certain sounds. The goal was to see if the speech-based method worked as well at keeping the airway open during sleep.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- dental sleep appliance with speech positioning technique
- What this could lead to
- If successful, this could show that a speech-based technique works as well as the standard method for positioning sleep apnea appliances, potentially making them more comfortable.
- What could go wrong
- This is a very small, early study with only 11 participants. Results may not apply to everyone, and the technique may not manage sleep apnea as effectively as standard methods.
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
-
11 people
The number who actually took part.
- Started
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Dec 2021
- Finished
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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
-
18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: Patient diagnosed with obstructive sleep apnea, and * Prescription/order for a dental sleep appliance * 18 years or older * Treatment planned in accordance with AADSM treatment guidelines Exclusion Criteria: * There are no separate exclusion criteria
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
University of Alberta
Edmonton, Alberta, T6G 2E1, Canada
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Other studies related to the condition(s) this trial covers.
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