Clinical trial Recruiting at 6 sites Interventional Ages 2 to 17

Personalized surgery for obstructive sleep apnea in children with Down syndrome

Official title: Treatment of Obstructive Sleep Apnea With Personalized Surgery in Children With Down Syndrome (TOPS-DS)

Run by Oregon Health and Science University · NCT05508971 · Data updated 2026-11-12

This study is testing a personalized surgery approach to treat obstructive sleep apnea in children with Down syndrome to see if it works better than standard surgery.

Quick facts

Study typeInterventional
Ages2 Years to 17 Years
SexAll
Enrollment304 (estimated)
SponsorOregon Health and Science University
Academic / other
Locations7 sites (Aurora, Colorado and 6 other locations)
StatusRecruiting
StartedAugust 2, 2023
Main results expectedDecember 31, 2027
Study endsAugust 31, 2028
Registry record updatedSeptember 11, 2026
Trial IDNCT05508971 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are children aged 2 to 17 years with Down syndrome and moderate to severe obstructive sleep apnea.

Probably not a fit

Patients with a history of previous tonsillectomy or significant cardiopulmonary comorbidities may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to evaluate the effectiveness of a personalized surgical approach for treating obstructive sleep apnea (OSA) in children with Down syndrome. Given the high prevalence of OSA in this population, the study will utilize drug-induced sleep endoscopy (DISE) to identify specific anatomical issues contributing to OSA, followed by tailored surgical interventions. The trial will include children aged 2 to 17 years who have been diagnosed with moderate to severe OSA. The goal is to improve surgical outcomes compared to traditional adenotonsillectomy, which has shown limited effectiveness in this group.

Why it matters

Potential benefit: If successful, this approach could significantly improve the quality of life and health outcomes for children with Down syndrome suffering from obstructive sleep apnea.

How similar studies have gone: While there have been studies on adenotonsillectomy in children, this personalized surgical approach using DISE is novel and has not been extensively tested in this specific population.

Who can join: the full rules

Show full inclusion / exclusion criteria
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.

Where it's running

  • Colorado Children's Hospital
    Aurora, Colorado, United States
    Recruiting
  • University of Michigan
    Ann Arbor, Michigan, United States
    Recruiting
  • Oregon Health and Science University
    Portland, Oregon, United States
    Recruiting
  • UT Southwestern Medical Center
    Dallas, Texas, United States
    Recruiting
  • Texas Children's Hospital
    Houston, Texas, United States
    Recruiting
  • EVMS Medical School
    Norfolk, Virginia, United States
    Recruiting
Show 1 more location
  • Cincinnati Children's Hospital
    Cincinnati, Ohio, United States
    Terminated

Study contacts

  • Principal investigator: Derek Lam, MD, MPH — Oregon Health and Science University
  • Study coordinator: Eleni O'Neill
  • Email: topsds@ohsu.edu
  • Phone: 503-875-9895

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.