Tongue implant study aims to see why some sleep apnea patients respond better
NCT ID NCT06372847
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how a device that stimulates the nerve to the tongue (hypoglossal nerve) changes the way the upper airway collapses during sleep in people with obstructive sleep apnea. Researchers will use a sleep endoscopy and sleep study data to compare collapse patterns before and after one year of treatment. The goal is to understand why some patients respond well and others do not. About 58 adults who are already eligible for this therapy will take part.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 58 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Mar 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 18 years or older. * Eligible for HNS-therapy: * AHI between 15 and 65 events/hour * BMI under 32 kg/m2 * Absence of complete concentric collapse of palate (CCC) on DISE * Intolerance or failure of continuous positive airway pressure (CPAP)-treatment * Intolerance or failure of mandibular advancement device (MAD)-treatment * Combination of central and mixed apneas less than 25% of total apneas on recent PSG (not older than two years) * Scheduled for HNS-implantation at the Antwerp University Hospital * Capable of giving informed consent * Baseline polysomnography planned or performed in the last 2 years at the Antwerp University Hospital Exclusion Criteria: * Patients will not receive HNS-therapy at the Antwerp University Hospital * Known medical history of intellectual disability, memory disorders or current psychiatric disorders (psychotic illness, major depression, or acute anxiety attacks as mentioned by the patient).
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Universitair Ziekenhuis Antwerpen (UZA)
RECRUITINGEdegem, Antwerpen, 2650, Belgium
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