Sleep apnea syndrome

This phase 2 trial tested a drug called lorundrostat in 48 adults with moderate-to-severe obstructive sleep apnea and high blood pressure. Participants took either the drug or a placebo for four weeks to see if it improved breathing during sleep and lowered blood pressure. The st…

This study follows over 14,000 adults with sleep apnea who are prescribed positive airway pressure (PAP) therapy. It investigates whether using telemonitoring—where the device sends usage data to their doctor remotely—helps people use the therapy more consistently and effectively…

This study compares two different mandibular advancement devices—oral appliances that hold the jaw forward during sleep—to see which works better for people with mild-to-moderate obstructive sleep apnea. Participants will wear each device for three months, with a two-week break i…

This trial tests whether a program using a consumer wearable device—which tracks oxygen levels during sleep—along with personalized weekly reports can help adults with obstructive sleep apnea use their positive airway pressure (PAP) therapy more consistently. Participants who are…

This trial tests a device called the aura6000 that stimulates a nerve in the neck to keep the airway open during sleep. It is for adults with moderate to severe obstructive sleep apnea who cannot or will not use a CPAP machine. Participants are randomly assigned to have the devic…

This study tested the Inspire system, a device that stimulates a nerve in the neck to keep the airway open during sleep. It involved 44 adults in Singapore with moderate-to-severe obstructive sleep apnea who could not use CPAP. The main goal was to confirm the device works proper…

This study looked at whether a diabetes drug called empagliflozin, combined with a breathing machine (CPAP), can improve sleep and heart function in 70 adults with both heart failure and obstructive sleep apnea. Participants were randomly assigned to take empagliflozin or not, an…

This completed trial tested whether a low-level laser device (Alesis OSA-1) can reduce breathing pauses in adults with obstructive sleep apnea. 35 participants received six 12-minute light treatments over three weeks. Researchers measured apnea events before and after treatment, …

This study looked at whether using a CPAP machine at night can reduce episodes of atrial fibrillation (a type of irregular heartbeat) in people who also have obstructive sleep apnea. Twenty-five adults with both conditions were enrolled. Half used CPAP while the other half were o…

This study tested a personalized surgical approach for children with obstructive sleep apnea who have small tonsils or Down syndrome. Instead of the standard tonsil and adenoid removal, doctors used a sleep endoscopy to see exactly where the airway collapses and chose surgeries b…

This study tested two doses (250 mg and 500 mg daily) of acetazolamide, a drug usually used for altitude sickness, in 91 adults with moderate to severe obstructive sleep apnea. The goal was to see if the drug could reduce breathing pauses during sleep by improving breathing contr…

Researchers are testing a new face mask, the Smart Mask V1 System, that uses built-in light sensors to measure blood oxygen (SpO2) and pulse rate. The study enrolls healthy adults aged 18 to 65 who wear the mask while breathing air with gradually lower oxygen levels in a special …

This study tests a smart mask that uses AI to detect sleep stages and breathing-related arousals in adults with sleep apnea. About 150 participants will wear the mask during an overnight sleep study, and its results will be compared to standard lab tests. If accurate, the mask co…

Researchers test whether adding ketamine to propofol improves sedation for drug-induced sleep endoscopy in adults with obstructive sleep apnea. The procedure lets doctors see where the airway collapses during sleep. Thirty adults receive either propofol alone or propofol plus ket…

This study tested a new, low-cost device called Apne-Scan to see if it can accurately detect sleep apnoea compared to standard home tests. Forty adults referred to a sleep clinic wore the Apne-Scan mask alongside their usual test overnight. The goal was to see if the simpler, che…

This study looked at whether a portable sleep monitor used during a short hospital stay can accurately diagnose sleep apnea in people with multiple system atrophy (MSA), compared to the standard overnight lab test. Thirty adults with probable MSA took part. The goal was to see if…

This study tested whether a ring-shaped device worn on the finger can accurately diagnose obstructive sleep apnea compared to the standard overnight sleep lab test. 136 adults suspected of having sleep apnea wore the Belun Ring while also undergoing standard lab testing. The goal…

This study tested whether a special algorithm in a pacemaker can accurately diagnose sleep apnea in people with heart problems. Researchers compared the pacemaker's readings to a standard overnight sleep test in 66 participants. They also looked for a link between sleep apnea sev…

This study looked at whether a home sleep apnea test can accurately detect obstructive sleep apnea in children aged 5-12 who have already had their tonsils and adenoids removed. 62 children completed both a home test and an overnight in-lab sleep study. The goal was to see how we…

This study tested whether a smartphone app called Apneal can accurately diagnose sleep apnea. 491 adults wore the app on their chest during an overnight sleep test, and the app's results were compared to the standard hospital sleep test. The goal is to see if the app can reliably…

This study tested a combination of two drugs, atomoxetine and oxybutynin (called AtoOxy), as a potential pill-based treatment for obstructive sleep apnea (OSA). 117 adults with OSA who were not using CPAP took the medication for one month. The goal was to see if the drug combo co…

This study looked at whether a swaddle blanket with a gentle abdominal band can reduce acid reflux, breathing pauses, heart rate drops, and low oxygen levels in premature infants. About 50 babies in the NICU were observed to see if the blanket helped. The goal was to find a simpl…

This study tested whether a drug called acetazolamide can improve sleep-disordered breathing in women traveling to high altitude (3600 m). 303 healthy adults participated in a randomized, placebo-controlled trial. The main goal was to see if the drug reduced drops in oxygen level…

This study looked at whether wearing compression stockings during the day for 28 days could reduce the number of breathing pauses (apneas) per hour in people with moderate to severe sleep apnea. The idea is that stockings prevent fluid from building up in the legs and moving to t…

This study tested a phone-based health coaching program to help people with sleep apnea use their positive airway pressure (PAP) device more often. 27 adults who were not using their device enough took part. The coaching aimed to improve device use and reduce daytime sleepiness.

This completed study tested whether semaglutide, a drug used for type 2 diabetes and weight loss, could improve sleep apnea in 15 people with diabetes or obesity. Researchers measured breathing pauses during sleep (AHI) after 1 and 4 weeks of treatment. The goal was to see if the…

This study tested a program called SIESTA-Rehab to help stroke patients sleep better during their hospital stay. The program included training nurses to reduce nighttime disruptions and a plan to check for and treat sleep apnea. Researchers studied 400 adults in a rehab hospital …

This study tested a behavioral sleep treatment in 36 veterans who have PTSD, insomnia, and sleep apnea. The goal was to see if improving sleep also improves quality of life and daily functioning. Participants attended therapy sessions and reported their sleep and well-being throu…

This study tested whether the drug acetazolamide can improve sleep-disordered breathing in 39 adults with chronic pain who use opioids. Participants took either the drug or a placebo for one week each. The goal was to see if the pill could reduce sleep apnea events as an alternat…

This study tested a new automatic setting (Auto-EPAP) on a ventilator to see if it could better manage airway blockages during sleep compared to the standard manual setting. It involved 23 adults with conditions like sleep apnea, COPD, or obesity-related breathing problems who al…

This study tested whether orofacial myofunctional therapy (OMT) — simple tongue and throat exercises done during the day — can improve breathing during sleep in people with mild-to-moderate sleep apnea. 209 adults with sleep apnea participated, comparing OMT to a placebo exercise…

This study tested a special educational program based on motivational interviewing to help people with sleep apnea use their CPAP machine more regularly. 100 adults newly prescribed CPAP took part. The program aimed to improve adherence, motivation, quality of life, and daytime s…

This study looked at 558 adults with mild to moderate sleep apnea who also don't get enough sleep. Researchers compared two programs: one focused on improving use of a PAP machine, and another on sleep education. The goal was to see which works better for reducing daytime sleepin…

This study tested a behavioral program to help older veterans with obstructive sleep apnea use their positive airway pressure (PAP) machine more consistently. About 100 veterans who had stopped using their PAP device worked with a sleep coach over several sessions. The goal was t…

This study tested a group program for people with moderate-to-severe sleep apnea who were having trouble using their breathing machine (PAP). The program aimed to help them use the machine more often and for longer each night. Researchers compared the group program to usual care …

This small pilot study tested custom 3D-printed masks for children with sleep apnea who use CPAP machines. Researchers took 3D pictures of each child's face to create a perfectly fitted mask. The goal was to see if the custom mask was more comfortable and used more often over 6 m…

This study tested a steroid nasal spray (mometasone furoate) in 130 children aged 3-12 who snore and have sleep-disordered breathing. The goal was to see if the spray could relieve symptoms enough to avoid surgery to remove tonsils or adenoids. Children used the spray daily for 6…

This study tested whether a remote patient monitoring platform (MonitAir) could help people with obstructive sleep apnea use their CPAP machine more consistently. 200 adults starting CPAP therapy were randomly assigned to receive standard coaching or enhanced monitoring with the …

This study looks at how common sleep breathing problems are in children with cerebral palsy across the UK, and how often they use breathing support like CPAP machines. Researchers will track new cases over a year and explore what helps or hinders access to care. The goal is to im…

This study follows 450 patients who recently had cardiac surgery to see how often sleep disordered breathing occurs and whether it changes over time. Researchers screen participants with the ApnoeLink Air device at the start of cardiac rehabilitation, again after 3 weeks, and at …

This study investigates whether different types of sleep apnea—a condition where breathing repeatedly stops during sleep—are linked to future heart problems or death in people who have recently had a heart attack. Researchers will use a home sleep test called polygraphy to measur…

This study evaluates whether prismaLINE PAP devices accurately count breathing events (apneas and hypopneas) compared to the gold-standard polysomnography (PSG) in people with sleep apnea. Participants will use a full face mask during a titration night, where the device briefly l…

This study investigates the link between the physical structure of the upper airway and its tendency to collapse during sleep, which is a key factor in obstructive sleep apnea. Researchers will measure airway collapsibility using a special pressure device, and assess anatomy via …

This study investigates whether closing the mouth during sleep improves or worsens breathing in people with obstructive sleep apnea. Researchers use drug-induced sleep endoscopy to measure airflow through the nose and mouth separately, then briefly close the mouth every other bre…

This study looked at how children with cerebral palsy, their parents, and healthcare professionals experience sleep disordered breathing and its management. Researchers interviewed 24 participants to understand the challenges and what helps or hinders treatment. The goal was to g…

This study investigates why people develop obstructive sleep apnea (OSA) and whether the underlying cause affects how they respond to different treatments. Researchers will test three approaches—CPAP, a sleep medication (eszopiclone), and supplemental oxygen—in adults with OSA. T…

This study looked at how sleep quality improves when people with obstructive sleep apnea start using a CPAP machine. Researchers used a special headband to track deep sleep at home for 7 nights before and 9 nights after starting treatment. The goal was to see how quickly sleep ge…

This early study tested whether a small electrode placed near the nerve that controls tongue movement could help people with obstructive sleep apnea. Fourteen adults who already needed surgery took part. The main goal was to see if the approach was safe and could make the tongue …

This study tested whether stimulating certain nerves or muscles in the throat can improve breathing in people with obstructive sleep apnea. Researchers placed temporary electrodes and measured airflow during sleep in 35 adults. The goal was to see if this approach is feasible and…

This early study tested whether a small electrode placed near the tongue nerve could be safely used in people with obstructive sleep apnea. 14 adults who could not use CPAP took part. The goal was simply to see if the nerve could be reached and stimulated, not yet to treat the co…

This study looked at how sleeping at high altitude (3600 m) affects breathing in healthy women, and whether the phase of their menstrual cycle makes a difference. 91 women spent two nights at altitude while their oxygen levels and breathing patterns were measured. The goal was to…

This study looked at 173 infants with myelomeningocele, a severe form of spina bifida, to see if the timing of their surgery (before or after birth) affects their risk for sleep-disordered breathing. Researchers used sleep studies to measure breathing problems and later checked t…

This study looked at how eye pressure changes when breath-hold divers hold their breath. Forty divers had their eye pressure, oxygen levels, heart rate, and blood pressure measured before, during, and after holding their breath. The goal was to understand these changes and how th…

This study tested a new approach called DREAM, where Veterans at risk for sleep apnea could go straight to home sleep testing without an initial in-person clinic visit. Over 6,500 Veterans took part to see if this speeds up diagnosis and treatment. The goal is to make sleep apnea…

This completed Phase 1 study looked at whether obstructive sleep apnea (OSA) might contribute to Alzheimer's disease. Researchers studied 182 older adults aged 65-85 with and without OSA, using brain scans and breathing tests. The goal was to understand how sleep disruptions like…

This study looked at whether a wearable device (Xiaomi Mi Band 8) can accurately detect sleep-related breathing disorders. About 300 adults wore the band during a standard overnight sleep test. Researchers compared the band's sleep-stage data with the hospital test to see if wear…

This study looked at 89 obese pregnant women to find out how common sleep apnea is and whether it is linked to high blood pressure, preeclampsia, or poor fetal outcomes. Participants had a sleep test (polysomnography) to detect apnea. The goal was to understand the connection and…

This study looked at whether treating obstructive sleep apnea (OSA) can also reduce pain and problems in the jaw and face, known as temporomandibular disorders (TMD). Forty-one adults with OSA but not yet on treatment were checked for TMD before starting therapy and again after a…

This small study tested whether placing a nerve stimulation lead in a different spot during a sleep apnea device implant could improve breathing. 29 adults with moderate to severe central sleep apnea took part. The goal was to see immediate changes in breathing and airway functio…

This completed study looked at how consistently 300 obese adults (BMI over 30) used positive airway pressure therapy for sleep-disordered breathing. Researchers tracked whether patients used the device at least 4 hours per night for 70% of nights within the first 90 days and agai…

This study looked at 40 adults who had a blood clot in their lungs (pulmonary embolism). Researchers compared those who also had sleep-disordered breathing (like sleep apnea) with those who did not. The goal was to see if sleep problems affect short-term recovery and the chance o…

This study looked at 24 people with high-altitude pulmonary hypertension who live above 2500 meters. Researchers measured their sleep breathing at 3200 meters and again after moving to 760 meters. The goal was to see if lower altitude improves oxygen levels and reduces breathing …

This study looked at whether a nutrition and behavior change program could help reduce sleep apnea in people who are overweight or obese. About 400 adults took part, and researchers measured changes in sleep apnea risk, daytime sleepiness, and weight loss. The goal was to see if …

This study followed over 200 sleep apnea patients from a large European database to see how many developed heart problems, metabolic issues, cancer, or died over time. Researchers also checked whether using CPAP therapy (a common sleep apnea treatment) affected these risks. The g…

This study looked at 209 adults with moderate to severe sleep apnea to better understand how the condition affects the body. Instead of just counting breathing pauses, researchers used special measures like oxygen drops, heart rate changes, and sleep disruption. Participants used…

This study follows 202 people who were first checked for sleep apnea as children in 2003. Researchers want to see how their sleep apnea changed over 18 years and whether it is linked to heart problems or thinking difficulties. Participants will repeat sleep tests, blood pressure …

This study followed 113 adults with myotonic dystrophy (Steinert's disease) for 5 years to find out what factors lead to low breathing (hypoventilation). Researchers measured lung function, sleepiness, fatigue, and thinking skills. The goal is to better understand which patients …

This study looked at how often sleep apnea occurs in adults with type 1 diabetes. Researchers monitored 53 participants overnight using standard sleep tests and continuous glucose monitors. The goal was to measure the link between sleep-disordered breathing and blood sugar contro…

This study tested whether a thin, flexible tube with pressure sensors (high-resolution manometry) can pinpoint where the airway gets blocked during sleep in people with obstructive sleep apnea. 18 adults and children underwent both the standard scope test and the new tube method.…

This study looked at whether having a higher body mass index (BMI) and using simple sleep apnea screening questionnaires can predict breathing or sedation-related problems during endoscopy. Researchers enrolled 350 adults with a BMI of 25 or higher who were scheduled for an upper…

This completed study from Istanbul University looked at 64 obese adults to see if obesity hypoventilation syndrome (OHS) causes extra problems beyond obesity alone. Researchers measured exercise capacity, muscle strength, sleep quality, and quality of life. The goal was to unders…

This study looked at 28 people with both stable coronary artery disease and moderate sleep apnea. Researchers measured blood markers of oxidative stress (a type of cell damage) before and after 3 months of CPAP therapy. The goal was to see if CPAP could reduce oxidative stress, w…

This study looks at how disrupted sleep changes the way common drugs (like painkillers, stimulants, and sedatives) work in the body. Researchers will disturb the sleep of 148 healthy adults in a lab and then measure how their brains respond to these drugs, including pain relief a…

This study measured dental movements in 180 adults with sleep apnea who use an oral appliance. Researchers used 3D photographs of teeth to track changes in tooth rotation and length. The goal was to better understand how these devices affect tooth position over time.

This study looked at how moving an oral appliance forward by just one millimeter at a time affects sleep apnea severity and symptoms like daytime sleepiness. Twenty adults with moderate or severe sleep apnea took part. Researchers measured breathing pauses during sleep and used q…