Active clinical trials for "Sleep Apnea Syndromes"

Obstructive sleep apnea (OSA) is a type of sleep-related breathing disorders that is characterized by a sleep-related constriction (obstruction) of the upper airways. The treatment with continuous application of positive airway pressure (CPAP) via respiratory mask forms the therapeutical standard of OSA. The autoCPAP (automatic positive airway pressure: APAP) therapy is an additional treatment option for patients with more unstable conditions (e.g. due to sleep position) which is characterized by a dynamic adaption of the applied airway pressure according to patients therapeutical needs. Device usage time and therapy adherence are crucial for treatment success. The purpose of this study is to assess the effect of a digital patient support (DPS) tool, complementary to standard care on continuous and automatic positive airway pressure (CPAP, APAP) adherence and daytime sleepiness after 12 weeks in patients diagnosed with severe obstructive sleep apnea (OSA). All patients with apnea-hypopnea index (AHI) ≥ 30 per hour are prospectively included and randomized to receive standard care (SC) or standard care with personalized DPS via prisma APP prototype version (SC+DPS). In both arms, initiation of therapy and standardized therapy control after 12 weeks is carried out identically. Patients in the SC+DPS arm received additionally automated feedback on their therapy and motivational messages, as well as therapy recommendations.

This investigator-initiated study aims to determine the effects of BAY2586116 (a novel TASK channel blocker nasal spray) on sleep apnoea severity and the potential influence of route of breathing.

This observational study aims at establishing the proportion of patients suffering from endometriosis and for whom an Obstructive Sleep Apnea Hypopnea Syndrome (OSAHS) diagnosis is established. The study participation will be offered to endometriosis patients displaying symptoms that may suggest an underlying OSAHS. OSAHS diagnosis will be made according to standard of care practice and patients will be followed up to 12 months after initiating the OSAHS treatment to fill in questionnaires assessing the impact of OSAHS treatment on various endometriosis-related symptoms

The role of obstructive sleep apnea (OSA) in contributing to hyperaldosteronism, which can lead to increased morbidity and mortality, is less well-established. The vitamin D levels and sympathetic activity of patients with obesity and OSA have not been explored in detail. In this cohort, the role of vitamin D and sympathetic activity, either individually or in combination, on augmenting the renin-angiotensin-aldosterone system (RAAS) causing more endothelial dysfunction remains elusive. We aim to evaluate renin angiotensin aldosterone system in OSA population; elucidate relationship between aldosterone and vitamin D levels in patients with OSA; and to determine association between aldosterone level and vitamin D deficiency with cardio-metabolic derangement in patients with OSA. This is a cross-sectional study involving 150 patients confirmed to have OSA. Participants who fulfil study criteria and consent to study will have blood withdrawn for aldosterone, renin, 25OHD levels with bone profile, and metabolic profile; undergo ultrasound flow mediated dilatation of brachial artery to assess endothelial function; ultrasound of hepatobiliary system to assess fatty liver; 24-hour Holter monitoring to assess sympathetic function; WHOQOLBREF to assess quality of life and Pittsburgh Sleep Quality Index to assess sleep quality.

Introduction: Studies have shown the influence of exercise on sleep architecture and efficiency, although its protocols, procedures, effects and mechanisms of action have not been clearly explained and documented in the treatment of obstructive sleep apnea hypopnea syndrome (OSAHS), which is thought to be the main sleep disorder due to its high prevalence and clinical, social and cognitive consequences. Objective: To evaluate the effect of inspiratory muscle training (IMT) in OSAHS, by analyzing their influence on the quality of sleep, inspiratory muscle strength and polysomnography parameters. Patients and Methods: Controlled and randomized clinical trial involving 75 patients with OSAHS diagnosed by polysomnography. Measurements of maximal inspiratory pressure (MIP) will be performed. Pittsburgh scale Epworth, Sleepiness Scale, Short Form-36, and Berlin / Stanford questionnaires will be used for assessment of sleep quality, daytime sleepiness, health related quality of life quality of health, and the evaluation of snoring. Patients of the intervention group will undergo IMT with an initial load of 40% of MIP. The intervention will be performed daily for 12 weeks employing the exercise inspiratory device (POWERbreathe, HaB Ltd, UK). The main end point will be the effect of the training program on the index of apnea/hypopnea (IAH) assessed by polysomnography. Secondary end points will include effects of the training program on: the quality of sleep, inspiratory muscle strength, the health related QOL. Expected Results: if the hypothesis is confirmed, there will be improvements on the apnea / hypopnea index, on the quality of sleep and on the health related QOL.

The overall purpose of this study is to determine whether the oral medication dimethyl fumarate is an effective treatment for obstructive sleep apnea in patients who are unable, unwilling, or uneager to use positive airway pressure therapy.

Obstructive sleep apnea (OSA) syndrome affects up to 5% of the general population. The prevalence is multiplied by 13 in coronary artery disease (CAD) patients. Many studies have shown that OSA syndrome was the main risk factor for cardiovascular morbidity and mortality (RR = 9.1 [95%, 2.6 to 31.2]). If the value of treatment with Continuous Positive Airway Pressure (CPAP) in symptomatic CAD patients (daytime sleepiness and/or 2 clinical symptoms with Apnea Hypopnea Index (AHI) ≥ 20) appears to be established, treatment with CPAP in asymptomatic CAD patients (with AHI> 30) may be too demanding. Alternative treatments are rare and results are highly variable. Therefore, it would be interesting to suggest other treatment modalities with moderate coronary and/or minimally symptomatic OSA syndrome.

To study the effects of compression stockings on sleep apnea in hemodialysis patients with diagnosed obstructive sleep apnea. The rationale of this study consists in the fluid shift theory, which consists in the nocturnal rostral fluid shift from legs, which causes upper airways edema. The aim of this study is to evaluate if compression stockings could improve such nocturnal volume redistribution and, therefore, improve obstructive sleep apnea.

Background. Atrial fibrillation is one of the most common complications in the postoperative period of coronary artery bypass grafting (CABG) surgery and usually associated with increased length of hospital stay and higher hospital costs. Among the main mechanisms involved, excessive sympathetic activation, oxidative stress and inflammation are fundamental elements in the pathophysiology of obstructive sleep apnea. Objectives. To evaluate the effects of continuous positive airway pressure (CPAP) in reduction of atrial fibrillation after CABG in patients with obstructive sleep apnea. Methodological procedures: A multicenter randomized controlled study to compare the incidence of atrial fibrillation between the intervention group and the control group, both monitored seven days with Holter.

This investigation is designed to evaluate the performance (leak and comfort) as well as the participant's overall acceptance of the trial nasal mask amongst Obstructive Sleep Apnea (OSA) participants. An important factor in this investigation will be the testing of two different seal sizes on the participants (medium and large size). A total number of 12 participants who currently use nasal or nasal pillow masks will be recruited for the trial. Participants have been selected based on their anthropometric measurements collected in previous trials (CIA-103). Participants from previous NZ trials may be recruited into this trial with their consent. All the participants will be recruited from the Fisher & Paykel Healthcare Database of subjects with OSA (Ethics Reference NTY/08/06/064), Auckland District Health Board (ADHB) and New Zealand Respiratory and Sleep Institute (NZRSI). Participants will use the trial mask in home for a period of 7 ± 3 days and also 1 overnight polysomnography session at the Fisher & Paykel Healthcare sleep lab. Baseline data will be collected from the participant during the first visit, 7 days of CPAP usage data will be downloaded and stored for analysis. The participant will use the trial device on their usual Continuous or Auto Positive Airway Pressure (CPAP/APAP) setting and device for the duration of the trial.