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New surgery approach may help kids with down syndrome breathe better at night

NCT ID NCT05508971

Disease control Sponsor: Oregon Health and Science University Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Sep 11, 2026 · Updated 3 times

Summary

This study compares personalized surgery guided by a special camera during sleep (DISE) to standard tonsil and adenoid removal for treating obstructive sleep apnea in 303 children with Down syndrome, ages 2 to 17. Sleep apnea is very common in these children and standard surgery often fails. The goal is to see if tailoring surgery to each child's unique airway blockages leads to better sleep and health outcomes.

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 304 people

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

Started

Aug 2023

Expected to finish

Aug 2028

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

2 to 17 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.

Requirements to participate in study: Child has a diagnosis of Down syndrome (Trisomy 21). Child has a diagnosis of moderate to severe OSA diagnosed by PSG (oAHI ≥ 5). Child age is 2.00 to 17.99 years of age. Caregiver can provide signed and dated consent and is 18 years of age or older at the time of consent. Caregiver can speak, read, and write in English or Spanish. Caregiver is primary caretaker of the child. Child is not expecting their own child. Child is eligible for surgical treatment Cannot participate in study if: Child has history of previous tonsillectomy, tonsillotomy, or partial tonsillectomy. Child has any contraindication to surgery (e.g. bleeding disorders). Child has significant cardiopulmonary comorbidity besides OSA requiring supplemental oxygen, subglottic or tracheal stenosis, tracheostomy dependence. Caregiver is unwilling or unable to comply with study procedures. Child is or plans to have their own child.

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Conditions

The condition(s) this trial relates to.

Down syndrome obstructive sleep apnea syndrome

As listed by the trial registrant

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

Down syndrome Obstructive sleep apnea

How to take part

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

  1. The places running it

    6 sites. 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

  • Cincinnati Children's Hospital

    TERMINATED

    Cincinnati, Ohio, 45229, United States

  • Colorado Children's Hospital

    RECRUITING

    Aurora, Colorado, 80045, United States

  • EVMS Medical School

    RECRUITING

    Norfolk, Virginia, 23507, United States

  • Oregon Health and Science University

    RECRUITING

    Portland, Oregon, 97239, United States

  • Texas Children's Hospital

    RECRUITING

    Houston, Texas, 77030, United States

  • UT Southwestern Medical Center

    RECRUITING

    Dallas, Texas, 75235, United States

  • University of Michigan

    RECRUITING

    Ann Arbor, Michigan, 48109, United States

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