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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05385302
Other study ID # 38RC21.0367
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date September 22, 2022
Est. completion date July 2025

Study information

Verified date February 2024
Source University Hospital, Grenoble
Contact Sébastien Bailly, PharmD, PhD
Phone +33 476 766 918
Email sbailly@chu-grenoble.fr
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Multicentric, prospective, opened study to evaluate the impact of Health Literacy Levels on CPAP withdrawal in Obstructive Sleep Apnea patients within 6 months of inclusion.


Description:

Obstructive sleep apnea syndrome (OSA) is a chronic multi-organ pathology and heterogeneous in its presentation and phenotypes. To date, continuous positive airway pressure (CPAP) is the first-line treatment for OSA. In France, 1.2 million patients are treated with CPAP but 15% of patients refused the device at the time of diagnosis and the rate of non-adherence reach 43% 3 years after CPAP initiation. Both in terms of sleepiness and cardiovascular symptoms, clinical improvement is correlated with normalization of ventilation and therefore with the use of CPAP throughout the sleep period by the patients. Adherence to CPAP is nowadays achieved by the contribution of tele-observance, which provides prescribers, home health care providers and patients with daily feedback on the effectiveness and compliance of the therapy. To date, studies targeting the predictive factors of CPAP compliance in OSA patients mainly include clinical data (age, sex, severity of OSAS, symptoms, etc.), or technical factors directly related to CPAP treatment (type of mask, residual apnea hypopnea index (AHI) under treatment, leakage, side effects, etc.). The social, socioeconomic and psychological approaches are far less studied and frankly underestimated, although they are gradually gaining interest, representing the submerged part of the iceberg. Some studies have shown an association between poor socioeconomic status and poor compliance with CPAP, while others have focused on psychological factors. Finally, in the work of our team, we have recently looked at the impact of the marital on compliance and the perception of the associated benefit. However, each study targets a specific area, without taking into account the clinical and individual determinants. Therefore, there is a lack of knowledge about individual determinants of CPAP adherence. Health literacy, defined as "the ability to access, understand, evaluate, and communicate information in ways that promote, maintain, and improve one's health in a variety of settings across the lifespan" is a possible important limitation for a patient to understand the need for PAP treatment and was never explored in view to explain CPAP adherence. This project aims to exploit a unique transdisciplinary approach to characterize refusal, discontinuation, and nonadherence to CPAP in patients with diagnosed OSA newly managed on CPAP. The main hypothesis of the study is that a patient with an insufficient level of health literacy (LS) (score from 0 to 8 defined from the European Health Literacy Survey questionnaire) has a greater probability of stopping treatment early or of being non-compliant than a patient with better performance in terms of health literacy.


Recruitment information / eligibility

Status Recruiting
Enrollment 250
Est. completion date July 2025
Est. primary completion date December 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patient newly diagnosed with OSA - Patient with indication for CPAP - Voluntary patient with informed consent and no objection to participation - Patient affiliated with or benefiting from a social security plan Non-Inclusion Criteria: - Person deprived of liberty by judicial or administrative decision, person subject to a legal protection measure (patient under guardianship or curators) according to articles L1121-5 to L1121-8 - Refusal of participation by the patient - Patient refusing telemonitoring

Study Design


Locations

Country Name City State
France CHUGA La Tronche
France Centre du Sommeil de Grenoble Saint-Martin-d'Hères

Sponsors (3)

Lead Sponsor Collaborator
University Hospital, Grenoble HP2 Laboratory, ODENORE

Country where clinical trial is conducted

France, 

References & Publications (1)

Benjafield AV, Ayas NT, Eastwood PR, Heinzer R, Ip MSM, Morrell MJ, Nunez CM, Patel SR, Penzel T, Pepin JL, Peppard PE, Sinha S, Tufik S, Valentine K, Malhotra A. Estimation of the global prevalence and burden of obstructive sleep apnoea: a literature-bas — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary To study the impact of health literacy levels on CPAP discontinuation in newly fitted OSA patients Proportion of CPAP treatment discontinuation without switch to mandibular advancement orthosis treatment Between initiation of CPAP (day 7 to 15 after inclusion) to V2 (6 months after inclusion)
Secondary To study the impact of health literacy levels on CPAP refusal after diagnosis. Proportion of CPAP refusals after diagnosis At V1 (inclusion)
Secondary To investigate the impact of health literacy levels on adherence status. With adherence status defined here in several ways (=4h vs <4h; adherence quartiles or adherence clusters). Average CPAP adherence At 6 month (V2)
Secondary To study the interactions between the different socio-economic factors studied and their influence on adherence to the CPAP treatment Average CPAP adherence At 6 month
Secondary Define the relationship between various clinical, social, economic, environmental determinants and adherence in addition to health literacy. Average CPAP adherence At 6 months
Secondary Identify profiles of patients who refuse CPAP or are non- adherent or who have stopped CPAP according to personal determinants Adherent, non-adherent, or discontinued status. With adherence status defined here in several ways (= 4 hours per night for at least 70% of the nights ; adherence quartiles or adherence clusters). At 6 months
Secondary Determine adherence trajectories as a function of health literacy and specifically study the specific determinants of adherence. Daily CPAP adherence data obtained by telemonitoring Over 6 months
Secondary To decipher the links made by people in treatment discontinuation or qualified as non-observant from the medical point of view, between the different factors of non-observance identified. Criteria identified on the basis of analyses of the corpus carried out from semi-structured interviews concerning knowledge of the pathology, the relationship with the treatment, the relationship with health professionals, and the life trajectory in terms of health care, making it possible to better understand patients' non-adherence. within 15 days of refusal of CPAP treatment, or within 15 days of discontinuation of treatment during the 6-month follow-up, or within 15 days of visit 2 for both non-adherent and adherent patients at 6 months.
Secondary Understand how people explain these situations based on their life contexts, representations of the disease and treatment, particularly their understanding of the issues involved. Criteria identified on the basis of analyses of the corpus carried out from semi-structured interviews concerning knowledge of the pathology, the relationship with the treatment, the relationship with health professionals, and the life trajectory in terms of health care, making it possible to better understand patients' non-adherence. Within 15 days of refusal of treatment for patients refusing CPAP, or within 15 days of discontinuation of treatment for patients who stopped treatment during the 6-month follow-up, or within 15 days of visit 2 for non-adherent patients at 6 month
Secondary Analyze people's perceptions of their health information practices, their relationship with the medical profession and the role of those involved in their pathology to understanding CPAP treatment Criteria identified on the basis of analyses of the corpus carried out from semi-structured interviews concerning knowledge of the pathology, the relationship with the treatment, the relationship with health professionals, and the life trajectory in terms of health care, making it possible to better understand patients' non-adherence. Within 15 days of refusal of treatment for patients refusing CPAP, or within 15 days of discontinuation of treatment during the 6-month follow-up, or within 15 days of visit 2 for all patients at 6 month
Secondary Identify the change in adherent patient's relationship to their treatment and the perceived benefits Criteria identified on the basis of analyses of the corpus carried out from semi-structured interviews concerning knowledge of the pathology, the relationship with the treatment, the relationship with health professionals, and the life trajectory in terms of health care, making it possible to better understand patients' adherence. Within 6 months of the first interview
Secondary Describe the evolution of non-adherent patient's situation, the health and potential compensation strategies or alternatives that they have implemented to limit the impact of their untreated OSAS Criteria identified on the basis of analyses of the corpus carried out from semi-structured interviews concerning knowledge of the pathology, the relationship with the treatment, the relationship with health professionals, and the life trajectory in terms of health care, making it possible to better understand patients' non-adherence. Within 6 months of the first interview for non-adherent patients
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