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Obstructive Sleep Apnea and Neurocognitive and Cardiovascular Function in Children With Down Syndrome (TRIO)

8 de janeiro de 2016 atualizado por: Children's Hospital of Philadelphia

Many individuals with Down syndrome (DS) have breathing problems during sleep. This is called obstructive sleep apnea syndrome (OSAS). OSAS is very common in individuals with Down syndrome because of the shape of their face and tongue and because of their low muscle tone. OSAS can cause a lot of health problems including behavioral and learning problems as well as heart problems.

The purpose of this research study is to look at the effects of treating OSAS in individuals with Down syndrome with a machine called Continuous Positive Airway Pressure (CPAP). The investigators want to see if treatment of OSAS improves learning, behavior and heart problems.

Visão geral do estudo

Status

Concluído

Condições

Intervenção / Tratamento

Descrição detalhada

All individuals participating in the study will be evaluated for obstructive sleep apnea syndrome (OSAS) with a baseline sleep study. Based on the results of the sleep study,individuals with OSAS will be randomly assigned into two groups. One group will receive continuous positive airway pressure (CPAP) and the other intervention group will receive sham CPAP(placebo) for four months. CPAP is a machine with a mask that fits over the nose, is worn during sleep and helps keep the airway open. Sham CPAP (placebo) is a machine that looks and sounds like a CPAP machine but does not give pressure so it does not treat OSAS. Individuals with normal breathing during the sleep study will not receive a machine, and will serve as controls.

Individuals will also have baseline tests including blood tests, an echocardiogram (pictures of the heart), a walking test and learning tests. After 4 months, the baseline tests will be repeated in all participants. At the end of the study, all individuals with OSAS will get treatment.

Tipo de estudo

Intervencional

Inscrição (Real)

27

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

  • Estados Unidos
    • Pennsylvania
      • Philadelphia, Pennsylvania, Estados Unidos, 19104
        • The Children's Hospital of Philadelphia

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

8 anos a 20 anos (Filho, Adulto)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  1. Aged 8-20 years
  2. Down syndrome (based on the characteristic phenotype)
  3. Families provide informed consent and child provides assent

Exclusion Criteria:

  1. Subjects and families who do not speak English well enough to undergo psychometric testing.
  2. Subjects living in institutions where there is no primary caregiver to participate in the neurocognitive/behavioral battery.
  3. Major chronic lung disease such as chronic aspiration.
  4. Previous or current CPAP therapy.
  5. Participation in a weight loss program.
  6. Craniofacial or neuromuscular conditions other than those associated with DS.
  7. Untreated hypothyroidism. Participants with normal thyroid function tests will be included in the study.

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Tratamento
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Quadruplicar

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Comparador Ativo: Group 1- Continuous positive airway pressure (CPAP)
Group 1 will receive therapeutic CPAP for 4 months.
Dispositivo: Continuous positive airway pressure
Continuous positive airway pressure is a machine used with sleep which compresses air delivered via a nasal mask and thus helps stent the airway open.
Outros nomes:
  • CPAP
Comparador de Placebo: Group 2-Sham Continuous positive airway pressure (CPAP)
Group 2 are individuals with OSAS who will receive sham or placebo continuous positive airway pressure (CPAP) for 4 months.
Dispositivo: Sham or placebo continuous positive airway pressure
Sham or placebo CPAP is a machine used instead of therapeutic CPAP. This machine is similar to a therapeutic CPAP machine but has built in leaks and does not deliver pressure. It is not effective in treating OSAS.
Outros nomes:
  • Sham or placebo CPAP
Sem intervenção: Group 3- No Intervention
Group 3 are individuals with normal breathing during sleep who will not receive any intervention and will be used as a control group.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Change in Epworth Sleepiness Scale From Baseline to End of Study
Prazo: 4 Months
The primary aim of the study is to assess the relationship between obstructive sleep apnea syndrome (OSAS) and the neurocognitive and behavioral outcomes of individuals with Down syndrome. Sleepiness was assessed using the pediatric version of the Epworth Sleepiness Scale (ESS). The ESS is a self-administered questionnaire with 8 questions. It provides a measure of a person's general level of daytime sleepiness, or average sleep propensity in daily life. The ESS asks people to rate, on a 4-point scale (0, low to 3, high) their usual chances of dozing off or falling asleep in 8 different situations or activities that most people engage in as part of their daily lives. The total ESS score provides an estimate of a general characteristic of each person's average level of sleepiness in daily life (0= no chance of dozing/no daytime sleepiness to 24=high chance of dozing/lots of daytime sleepiness).
4 Months

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Change in Child Behavior Checklist (CBCL) Total Score From Baseline to 4 Months
Prazo: 4 Months
The change in behavioral domain was measured by the Child Check Behavior List. The CBCL is a widely used method of identifying problem behavior in children. Problems are identified by a respondent who knows the child well, usually a parent or other care giver. There are 2 versions based on the child's age (CBCL/1½-5 for use children 18 months-5 years; the CBCL/6-18 for children aged 6-18 years). The checklists consists of a number of statements about the child's behavior and responses are recorded on a scale: 0 = Not True, 1 = Somewhat or Sometimes True, 2 = Very True or Often True. The preschool checklist contains 100 questions and, school-age checklist contains 120 questions. 8 sub-scores (1 for each of 8 syndromes: anxious/depressed, withdrawn depressed, somatic complaints, social problems, thought problems, attention problems, rule-breaking behavior and aggressive behavior) are calculated, each ranging from 0 (normal) to 16 (clinical behavior).
4 Months
Change in the Left Ventricular (LV) Mass Index Score From Baseline to 4 Months
Prazo: 4 Months
The change in left ventricular mass index score, measured on echocardiography, was used to assess the relationship between obstructive sleep apnea syndrome and cardiovascular function of individuals with Down syndrome. Left ventricular (LV) mass was calculated from M-mode measurements of the LV end-diastolic dimension, the thickness of the interventricular septum and the thickness of the LV posterior wall, and presented as a z-score.
4 Months
Change in the Distance Walked on a 6 Minute Walk Test From Baseline to 4 Months
Prazo: 4 Months
As secondary outcome of the second aim, we will use the distance walked during the 6 minute walk test.
4 Months

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Children's Hospital of Philadelphia

Investigadores

  • Investigador principal: Carole Marcus, MD, Children's Hospital of Philadelphia

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo

1 de setembro de 2010

Conclusão Primária (Real)

1 de março de 2014

Conclusão do estudo (Real)

1 de setembro de 2014

Datas de inscrição no estudo

Enviado pela primeira vez

7 de março de 2013

Enviado pela primeira vez que atendeu aos critérios de CQ

8 de março de 2013

Primeira postagem (Estimativa)

11 de março de 2013

Atualizações de registro de estudo

Última Atualização Postada (Estimativa)

8 de fevereiro de 2016

Última atualização enviada que atendeu aos critérios de controle de qualidade

8 de janeiro de 2016

Última verificação

1 de dezembro de 2015

Mais Informações

Termos relacionados a este estudo

Palavras-chave

Termos MeSH relevantes adicionais

Outros números de identificação do estudo

  • 11-007964

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