Sleep Apnea Biomarkers and Adherence to Continuous Positive Airway Pressure (BIOSA)
26 de agosto de 2026 atualizado por: Bughin Francois, Clinique du Millenaire
Impact of Obstructive Sleep Apnea Biomarkers on Adherence to Continuous Positive Airway Pressure: Role of Pulse Wave Amplitude Drop Index, Hypoxic Burden, and Heart Rate Variability
Obstructive sleep apnea (OSA) is commonly assessed using the apnea-hypopnea index, although this measure does not fully reflect cardiovascular risk or the physiological impact of the disease. Emerging biomarkers, including sleep apnea-specific hypoxic burden, pulse wave amplitude drop index, and heart rate response, may provide additional information on cardiovascular vulnerability.
This prospective multicenter observational study will investigate the association between these biomarkers, measured from the diagnostic sleep study, and adherence to continuous positive airway pressure (CPAP) therapy after three months. Symptoms, quality of life, clinical characteristics, and changes in biomarkers under continuous positive airway pressure will also be evaluated.
Visão geral do estudo
Status
Recrutamento
Condições
Intervenção / Tratamento
Descrição detalhada
This is a prospective, longitudinal, multicenter observational cohort study involving adults with newly diagnosed obstructive sleep apnea for whom continuous positive airway pressure therapy is indicated as part of routine clinical care.
At baseline, demographic and clinical characteristics, medical history, current treatments, symptom questionnaires, and results from diagnostic respiratory polygraphy or polysomnography will be collected. Hypoxic burden, pulse wave amplitude drop index, and heart rate response will be calculated from the initial sleep recording. Continuous positive airway pressure will be prescribed according to standard clinical practice.
At 12 weeks, with a permitted window of plus or minus four weeks, adherence data will be obtained from the continuous positive airway pressure device. Clinical information and questionnaires will be collected again. Participants requiring a follow-up sleep study as part of routine care may undergo respiratory polygraphy or polysomnography while receiving continuous positive airway pressure, allowing assessment of biomarker changes under treatment.
The principal analysis will examine associations between baseline biomarkers and continuous positive airway pressure adherence. Secondary analyses will assess biomarker distributions according to clinical characteristics, associations with symptoms and quality of life, and changes in biomarkers during treatment.
Tipo de estudo
Observacional
Inscrição (Estimado)
200
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.
Contato de estudo
- Nome: Francois FB Bughin, MD, PhD
- Número de telefone: 0033761783081
- E-mail: fbughin@hotmail.com
Locais de estudo
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Montpellier, França, 34000
- Recrutamento
- Clinique Millenaire
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Contato:
- Francois FB Bughin, Study Principal Investigator
- Número de telefone: 0033761783081
- E-mail: fbughin@hotmail.com
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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
- Adulto
- Adulto mais velho
Aceita Voluntários Saudáveis
Não
Método de amostragem
Amostra Não Probabilística
População do estudo
Adults with newly diagnosed obstructive sleep apnea syndrome and an indication for continuous positive airway pressure therapy, recruited from approximately 10 sleep medicine centers in France.
Participants are treated according to routine clinical practice and followed for 3 months to assess CPAP adherence, symptoms, quality of life, and sleep apnea biomarkers.
Descrição
Inclusion Criteria:
- Newly diagnosed obstructive sleep apnea with an indication for continuous positive airway pressure therapy
- Age older than 18 years
- Written informed consent obtained
Exclusion Criteria:
- Continuous positive airway pressure treatment during the preceding 3 months
- Medical contraindication to continuous positive airway pressure therapy
- Concomitant condition likely to affect adherence to continuous positive airway pressure, including severe cognitive impairment or an unstable psychiatric disorder
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
Coortes e Intervenções
Grupo / Coorte |
Intervenção / Tratamento |
|---|---|
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Patients with newly diagnosed obstructive sleep apnea
Adults with newly diagnosed obstructive sleep apnea and a clinical indication for continuous positive airway pressure therapy.
Treatment is prescribed according to routine clinical practice.
Participants are followed for three months to evaluate treatment adherence, symptoms, quality of life, and sleep apnea biomarkers.
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Continuous positive airway pressure prescribed as part of routine clinical care according to applicable clinical recommendations.
The study does not assign the treatment or its settings.
Outros nomes:
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Association Between Baseline Hypoxic Burden and CPAP Adherence at 3 Months
Prazo: Baseline to 3 months after CPAP initiation
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Association between hypoxic burden measured during the baseline diagnostic sleep study and mean nightly CPAP use during the 30 days preceding the 3-month visit.
CPAP adherence will also be categorized as less than 4 hours per night versus 4 hours or more per night.
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Baseline to 3 months after CPAP initiation
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Distribution of Baseline Sleep Apnea Biomarkers
Prazo: BASELINE
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Distribution of hypoxic burden, pulse wave amplitude drop index, and heart rate response measured or calculated from the baseline respiratory polygraphy or polysomnography.
Results will be described according to sex, age, body mass index, medical history, cardiovascular history, and current treatments.
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BASELINE
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Association Between Baseline Heart Rate Response and CPAP Adherence at 3 Months
Prazo: Baseline to 3 months after CPAP initiation
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Association between the heart rate response to respiratory events (delta heart rate) measured during the baseline diagnostic sleep study and mean nightly CPAP use during the 30 days preceding the 3-month visit.
CPAP adherence will also be categorized as less than 4 hours per night versus 4 hours or more per night.
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Baseline to 3 months after CPAP initiation
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Association Between Baseline Pulse Wave Amplitude Drop Index and CPAP Adherence at 3 Months
Prazo: Baseline to 3 months after CPAP initiation
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Association between the pulse wave amplitude drop index (PWAD index) measured during the baseline diagnostic sleep study and mean nightly CPAP use during the 30 days preceding the 3-month visit.
CPAP adherence will also be categorized as less than 4 hours per night versus 4 hours or more per night.
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Baseline to 3 months after CPAP initiation
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Daytime Sleepiness Assessed by the Epworth Sleepiness Scale
Prazo: Baseline and 3 months
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Daytime sleepiness will be assessed using the Epworth Sleepiness Scale at baseline and 3 months after CPAP initiation.
The total score ranges from 0 to 24, with higher scores indicating greater daytime sleepiness and therefore a worse outcome.
The change in total score between baseline and 3 months will be evaluated.
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Baseline and 3 months
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Health-Related Quality of Life Assessed Using the EuroQol 5-Dimension 5-Level Questionnaire
Prazo: baseline and 3 months
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Health-related quality of life will be assessed using the EuroQol 5-Dimension 5-Level questionnaire (EQ-5D-5L) at baseline and 3 months after CPAP initiation.
The EQ-5D-5L evaluates five dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression.
Each dimension has five response levels, ranging from 1 (no problems) to 5 (extreme problems or inability to perform the activity).
Responses will be converted into an EQ-5D-5L utility index using the French value set.
Index values range from -0.525 to 1, with higher values indicating better health-related quality of life.
The change in the utility index between baseline and 3 months will be evaluated.
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baseline and 3 months
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Goal Attainment Assessed by Goal Attainment Scaling
Prazo: baseline and 3 months
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Goal Attainment Scaling score and its change between baseline and the 3-month follow-up visit.
Attainment of the participant's individualized treatment goal will be assessed at 3 months using Goal Attainment Scaling (GAS).
Goal attainment is rated on a five-point scale ranging from -2 to +2: -2 indicates a much worse outcome than expected, -1 a somewhat worse outcome than expected, 0 the expected level of goal attainment, +1 a somewhat better outcome than expected, and +2 a much better outcome than expected.
Higher scores indicate better goal attainment and therefore a better outcome
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baseline and 3 months
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Change in Sleep Apnea-Specific Hypoxic Burden During CPAP Therapy
Prazo: baseline and 3 months
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Sleep apnea-specific hypoxic burden will be calculated from the oxygen desaturation area associated with respiratory events and expressed as percent-minutes per hour (%min/h).
The change from the baseline diagnostic sleep study to the sleep study performed during CPAP therapy at 3 months will be evaluated.
Higher values indicate a greater hypoxic burden and therefore a worse outcome.
This assessment will be performed only in participants undergoing a follow-up sleep study as part of routine care.
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baseline and 3 months
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Change in Pulse Wave Amplitude Drop Index During CPAP Therapy
Prazo: Baseline and 3 months after CPAP initiation
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The pulse wave amplitude drop index will be calculated as the number of pulse wave amplitude drops per hour of sleep or recording.
The change from the baseline diagnostic sleep study to the sleep study performed during CPAP therapy at 3 months will be evaluated.
Higher values indicate more frequent pulse wave amplitude drops.
This assessment will be performed only in participants undergoing a follow-up sleep study as part of routine care.
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Baseline and 3 months after CPAP initiation
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Change in Heart Rate Response to Respiratory Events During CPAP Therapy
Prazo: Baseline and 3 months after CPAP initiation
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Heart rate response will be measured as the mean change in heart rate associated with respiratory events (delta heart rate).
The change from the baseline diagnostic sleep study to the sleep study performed during CPAP therapy at 3 months will be evaluated.
Higher values indicate a greater heart rate response to respiratory events.
This assessment will be performed only in participants undergoing a follow-up sleep study as part of routine care.
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Baseline and 3 months after CPAP initiation
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Colaboradores e Investigadores
É aqui que você encontrará pessoas e organizações envolvidas com este estudo.
Patrocinador
Publicações e links úteis
A pessoa responsável por inserir informações sobre o estudo fornece voluntariamente essas publicações. Estes podem ser sobre qualquer coisa relacionada ao estudo.
Publicações Gerais
- Gagnadoux F, Bequignon E, Prigent A, Micoulaud-Franchi JA, Chambe J, Texereau J, Alami S, Roche F. The PAP-RES algorithm: Defining who, why and how to use positive airway pressure therapy for OSA. Sleep Med Rev. 2024 Jun;75:101932. doi: 10.1016/j.smrv.2024.101932. Epub 2024 Apr 8.
- Pinilla L, Esmaeili N, Labarca G, Martinez-Garcia MA, Torres G, Gracia-Lavedan E, Minguez O, Martinez D, Abad J, Masdeu MJ, Mediano O, Munoz C, Cabriada V, Duran-Cantolla J, Mayos M, Coloma R, Montserrat JM, de la Pena M, Hu WH, Messineo L, Sehhati M, Wellman A, Redline S, Sands S, Barbe F, Sanchez-de-la-Torre M, Azarbarzin A. Hypoxic burden to guide CPAP treatment allocation in patients with obstructive sleep apnoea: a post hoc study of the ISAACC trial. Eur Respir J. 2023 Dec 7;62(6):2300828. doi: 10.1183/13993003.00828-2023. Print 2023 Dec.
- Gerves-Pinquie C, Bailly S, Goupil F, Pigeanne T, Launois S, Leclair-Visonneau L, Masson P, Bizieux-Thaminy A, Blanchard M, Sabil A, Jaffuel D, Racineux JL, Trzepizur W, Gagnadoux F. Positive Airway Pressure Adherence, Mortality, and Cardiovascular Events in Patients with Sleep Apnea. Am J Respir Crit Care Med. 2022 Dec 1;206(11):1393-1404. doi: 10.1164/rccm.202202-0366OC.
- McEvoy RD, Antic NA, Heeley E, Luo Y, Ou Q, Zhang X, Mediano O, Chen R, Drager LF, Liu Z, Chen G, Du B, McArdle N, Mukherjee S, Tripathi M, Billot L, Li Q, Lorenzi-Filho G, Barbe F, Redline S, Wang J, Arima H, Neal B, White DP, Grunstein RR, Zhong N, Anderson CS; SAVE Investigators and Coordinators. CPAP for Prevention of Cardiovascular Events in Obstructive Sleep Apnea. N Engl J Med. 2016 Sep 8;375(10):919-31. doi: 10.1056/NEJMoa1606599. Epub 2016 Aug 28.
- Azarbarzin A, Sands SA, Younes M, Taranto-Montemurro L, Sofer T, Vena D, Alex RM, Kim SW, Gottlieb DJ, White DP, Redline S, Wellman A. The Sleep Apnea-Specific Pulse-Rate Response Predicts Cardiovascular Morbidity and Mortality. Am J Respir Crit Care Med. 2021 Jun 15;203(12):1546-1555. doi: 10.1164/rccm.202010-3900OC.
- Solelhac G, Sanchez-de-la-Torre M, Blanchard M, Berger M, Hirotsu C, Imler T, Sanchez-de-la-Torre A, Haba-Rubio J, Marchi NA, Bayon V, Bailly S, Goupil F, Waeber A, Heiniger G, Pigeanne T, Gracia-Lavedan E, Zapater A, Abad J, Ordax E, Masdeu MJ, Cabriada-Nuno V, Egea C, Van Den Broecke S, Vollenweider P, Marques-Vidal P, Vaucher J, Bernardi G, Betta M, Siclari F, Barbe F, Gagnadoux F, Heinzer R. Pulse Wave Amplitude Drops Index: A Biomarker of Cardiovascular Risk in Obstructive Sleep Apnea. Am J Respir Crit Care Med. 2023 Jun 15;207(12):1620-1632. doi: 10.1164/rccm.202206-1223OC.
- Azarbarzin A, Sands SA, Stone KL, Taranto-Montemurro L, Messineo L, Terrill PI, Ancoli-Israel S, Ensrud K, Purcell S, White DP, Redline S, Wellman A. The hypoxic burden of sleep apnoea predicts cardiovascular disease-related mortality: the Osteoporotic Fractures in Men Study and the Sleep Heart Health Study. Eur Heart J. 2019 Apr 7;40(14):1149-1157. doi: 10.1093/eurheartj/ehy624.
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 (Real)
18 de fevereiro de 2026
Conclusão Primária (Estimado)
31 de dezembro de 2026
Conclusão do estudo (Estimado)
30 de setembro de 2027
Datas de inscrição no estudo
Enviado pela primeira vez
10 de agosto de 2026
Enviado pela primeira vez que atendeu aos critérios de CQ
26 de agosto de 2026
Primeira postagem (Real)
28 de agosto de 2026
Atualizações de registro de estudo
Última Atualização Postada (Real)
28 de agosto de 2026
Última atualização enviada que atendeu aos critérios de controle de qualidade
26 de agosto de 2026
Última verificação
1 de agosto de 2026
Mais Informações
Termos relacionados a este estudo
Palavras-chave
Termos MeSH relevantes adicionais
- Doenças do Sistema Nervoso
- Doenças Respiratórias
- Distúrbios Respiratórios
- Distúrbios do Sono Vigília
- Apnéia
- Distúrbios do Sono Intrínsecos
- Dissônias
- Síndromes da Apneia do Sono
- Apnéia do Sono, Obstrutiva
- Terapêutica
- Gerenciamento das vias aéreas
- Terapia respiratória
- Respiração de pressão positiva
- Respiração, artificial
- Pressão positiva contínua das vias aéreas
Outros números de identificação do estudo
- BIOSA
- 2025-A01061-48 (Outro identificador: French National Agency for the Safety of Medicines and Health Products (ANSM))
Plano para dados de participantes individuais (IPD)
Planeja compartilhar dados de participantes individuais (IPD)?
INDECISO
Informações sobre medicamentos e dispositivos, documentos de estudo
Estuda um medicamento regulamentado pela FDA dos EUA
Não
Estuda um produto de dispositivo regulamentado pela FDA dos EUA
Não
Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .