Pharyngeal dysphagia in children with Down syndrome.
Ashley C O'Neill, Gresham T Richter
https://pubmed.ncbi.nlm.nih.gov/23525851/Actively Recruiting
Led by Brigham and Women's Hospital · Updated on 2025-04-20
230
Participants Needed
7
Research Sites
4 weeks
Total Duration
Researchers are evaluating whether oxygen supplementation during sleep can improve working memory and other related clinical and patient-reported outcomes in children with Down Syndrome who have moderate to severe Obstructive Sleep Apnea OSA. This randomized, single-blind Phase 2 clinical trial aims to compare the effects of oxygen therapy on cognition, behavior, quality of life, heart structure and function, and sleep patterns in this group. Children participating in the study will be randomly assigned to one of two groups one receiving nocturnal oxygen therapy along with materials on healthy sleep habits, diet, and nasal dilators, and the other receiving only the supportive care materials without oxygen therapy. The study includes an initial screening with polysomnography PSG tests to assess sleep apnea severity and responsiveness to oxygen. Assessments will be repeated after 3 and 6 months, including a follow-up PSG and neurocognitive testing. During the study, children and their caregivers will take part in various evaluations such as wrist actigraphy to monitor sleep, echocardiography to examine heart function, neuropsychological tests, physical exams, and blood draws. Caregivers will complete questionnaires about the childs emotional, physical, social, and school functioning, as well as sleep quality and behavior. The primary outcomes include executive function working memory scores measured at the start and end of the 6-month period. The total participation duration is 6 months, with careful monitoring of sleep and cognitive changes throughout.
CONDITIONS
Down Syndrome Obstructive Sleep Apnea
O
Oltion Sina
S
Suzie Hicks
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Brigham and Women's Hospital
Lead Sponsor
Children's Hospital Medical Center, Cincinnati
Collaborating Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | Oxygen plus supportive care (OXT) | Supportive care (SC) | Adenotonsillectomy (surgical removal of adenoids and tonsils) |
|---|---|---|---|
| What is it? | Nocturnal oxygen therapy administered using an oxygen concentrator in addition to supportive care for sleep apnea. | General supportive care, including management without active nocturnal oxygen therapy for sleep apnea. | Adenotonsillectomy is the surgical removal of adenoids and tonsils, commonly performed to treat obstructive sleep apnea in children. |
| Role in the trial | Tested as the primary intervention for eligible children with Down syndrome and OSA. | Serves as the randomized comparator arm in the study, representing usual care without oxygen supplementation. | Not included as a randomized arm, but typically the preferred first-line treatment for OSA in children with Down syndrome and adenotonsillar hypertrophy. |
| Primary use | Used to improve oxygenation during sleep and reduce sleep apnea events in children with Down syndrome. | Aims to support overall health and sleep hygiene; does not actively treat OSA with oxygen. | Performed to remove physical obstruction caused by enlarged adenoids and tonsils, thereby treating OSA in children. |
| How is it given or performed? | Oxygen therapy is delivered using a nocturnal oxygen concentrator during sleep, titrated to achieve optimal oxygenation and minimize carbon dioxide retention, per protocol. | Consists of routine health management, sleep hygiene advice, and supportive measures, without active oxygen therapy. | Performed in hospital under general anesthesia. The adenoids and tonsils are surgically removed in one operative session. |
| Evidence status | Ongoing clinical study; evidence for effectiveness in Down syndrome children with OSA is not yet established. | No randomized evidence for supportive care alone as primary therapy for OSA in this population; typically not expected to resolve OSA. | Adenotonsillectomy is supported by systematic review data as effective in reducing OSA severity, though residual sleep apnea is common in children with Down syndrome and additional treatments may be required. |
| Important limitations | Benefit and risks in Down syndrome children with OSA are not yet established; compliance, titration, and monitoring may require specialist oversight. | Supportive care alone does not address physical airway obstruction in OSA and is typically insufficient without additional intervention. | While adenotonsillectomy improves OSA, many children with Down syndrome have persistent sleep apnea post-surgery and may need further therapies. |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
You may qualify if you...
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Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Duration - 6 months
Participants receive nocturnal oxygen therapy or supportive care for 6 months while undergoing assessments of cognition, behavior, quality of life, cardiac function, and sleep quality.
Baseline visit, 3-month follow-up visit, and 6-month final visit
Study Type
INTERVENTIONAL
Masking
TRIPLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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https://pubmed.ncbi.nlm.nih.gov/29758264/Brigham and Women's Hospital
Lead Sponsor
Children's Hospital Medical Center, Cincinnati
Collaborating Sponsor