Sleep apnea syndrome

This study compares three treatments for obstructive sleep apnea: positive airway pressure (CPAP), a dental device that moves the jaw forward, and a combination of two medications (atomoxetine and oxybutynin). About 2,400 adults with sleep apnea will be randomly assigned to one o…

This study compares two common treatments for moderate obstructive sleep apnea: a custom mouth device that moves the jaw forward (MAD) and a machine that blows air through a mask (CPAP). Researchers want to see how well each treatment improves breathing during sleep and reduces d…

This Phase 2 trial tests IHL-42X, a combination of two drugs (dronabinol and acetazolamide), in people with obstructive sleep apnea. The study aims to see if the drug can reduce the number of breathing pauses during sleep and improve daytime symptoms. Participants will receive di…

This study compares two types of tonsil surgery for adults with obstructive sleep apnea and enlarged tonsils. One surgery removes the tonsils completely, while the other removes only part of them. The goal is to see if the less invasive approach works just as well at improving br…

This study will compare three approaches before gastric bypass surgery for severe obesity: taking the medication tirzepatide for 60 days, following a ketogenic diet for 4 weeks, or receiving standard care. The goal is to see which method leads to the most weight loss one year aft…

This study tests whether a high-flow nasal cannula (HFNC) — a soft tube that delivers warm, humidified air through the nose — works as well as the standard CPAP mask for children with moderate-to-severe obstructive sleep apnea. About 258 children aged 2 to 18 will use one of the …

This study tests whether combining a nerve-stimulating implant with two medications (atomoxetine and oxybutynin) can improve breathing during sleep more than either treatment alone. Twenty-four adults with obstructive sleep apnea who already have the implant will try each combina…

This study tests a new device called Elara APAP for people with obstructive sleep apnea. The device delivers air pressure to keep the airway open during sleep. About 55 adults who already use an APAP machine will have one night of sleep monitoring to see if the device reduces bre…

This study tests an injection called GZR18 in 140 obese adults with moderate-to-severe obstructive sleep apnea who already use a breathing machine (PAP). The goal is to see if the drug improves breathing during sleep, reduces weight, and boosts quality of life compared to a place…

This study tests an injection called GZR18 in 140 obese adults with moderate to severe obstructive sleep apnea who cannot or will not use a CPAP machine. The goal is to see if the drug improves breathing during sleep and helps with weight loss over 52 weeks. Participants will rec…

This study tests if a mouthpiece worn during sleep can help people with both heart failure and obstructive sleep apnea. The device keeps the airway open, which may reduce stress on the heart and improve quality of life. 328 participants will use either the real device or a sham o…

This study tests whether a program that includes remote monitoring, couple therapy, and peer support can help African American patients with sleep apnea use their CPAP machine more consistently. The goal is to improve sleep and quality of life for both the patient and their bed p…

This early trial tests a new wearable PAP mask system for people with obstructive sleep apnea. Fifteen participants will use the device for up to 7 nights to rate its comfort, seal, and usability. The goal is to improve the user experience, not to measure treatment effectiveness.

This study tests whether injecting botulinum toxin (like Botox) into a throat muscle can help people with moderate to severe obstructive sleep apnea. The goal is to reduce breathing pauses during sleep and improve oxygen levels and daytime sleepiness. The trial involves 20 adults…

This study tests whether a Garmin smartwatch that shows health data can help people with moderate to severe sleep apnea use their CPAP machine more regularly. 80 adults who are new to CPAP will be split into two groups: one can see their wearable data, the other cannot. The main …

This UK trial tests a device that uses mild electrical pulses to keep the airway open during sleep in people with obstructive sleep apnoea. It is for adults who cannot use standard CPAP therapy. The study will compare the device to usual CPAP care over three months to see if it i…

Extremely preterm infants often have breathing issues that current monitors may miss. This study tests a wireless acoustic sensor placed on the baby's throat to more accurately detect pauses, shallow breaths, and irregular patterns. Researchers will compare the sensor to standard…

This study will test several new wearable devices and a mobile app to see how well they diagnose obstructive sleep apnea (OSA) compared to the standard overnight sleep test. About 90 adults will wear devices like a finger sensor, wristband, ring, patches, and an eye mask while al…

This study will test whether a smart mattress with built-in sensors can accurately diagnose obstructive sleep apnea (OSA) compared to the standard hospital sleep test (polysomnography). Researchers plan to enroll 500 people and have them sleep on the mattress while also undergoin…

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…

This study tests whether a special pacifier, called CURAPROX, can reduce the severity of obstructive sleep apnea (OSA) in infants with Down syndrome. Fifty infants will be enrolled at one month old, with half using the pacifier and half not. At six months, sleep tests will measur…

This study compares two exercise approaches—short 'exercise snacks' spread throughout the day versus traditional aerobic exercise—in adults with moderate to severe obstructive sleep apnea. Researchers will measure sleep quality, daytime sleepiness, and physical function over 8 we…

This study tests whether a decision-making tool can help veterans with sleep apnea choose and stick with a treatment that works for them. About 128 veterans will be randomly assigned to receive either a brief education program or the same program plus a personalized tool. The goa…

This study tests a small device called the Serene Sleep Palatal Implant, placed in the soft palate to reduce snoring and mild-to-moderate obstructive sleep apnea. About 26 adults will be split into two groups based on their condition. The main goal is to check safety, like whethe…

This study tests whether a culturally tailored text-message program can help Spanish-speaking Hispanic adults with obstructive sleep apnea use their positive airway pressure (PAP) machine more consistently. Fifty adults will receive automated texts that offer support, troubleshoo…

This study tests whether a drug called gamma-hydroxybutyrate (GHB) can help intensive care patients get better deep sleep. Sleep problems are very common in the ICU and can lead to serious issues like confusion and longer recovery. The trial will give GHB or a placebo to 24 adult…

This study tests whether a newer 'splintless' jaw surgery is more accurate and safer than the standard method for treating obstructive sleep apnea. About 66 adults with moderate to severe sleep apnea who cannot use CPAP will be randomly assigned to one of the two surgeries. Resea…

This study tests a slow-release melatonin (PedPRM) in 120 children aged 6 to 18 who have anorexia nervosa and trouble sleeping. Participants take either melatonin or a placebo for 13 weeks. The goal is to see if it safely improves total sleep time and related symptoms like anxiet…

This study looks at whether giving people with obstructive sleep apnea (OSA) access to their nightly oxygen levels can improve their experience with a mouthpiece device (MAD). About 120 adults with mild to severe OSA will either get standard care or also see their oximetry data t…

This study tests whether taking dronabinol (a cannabis-derived medication) before bed can help people with obstructive sleep apnea use their CPAP machine more consistently. Researchers will also check if combining CPAP with dronabinol improves sleep quality and blood pressure. Th…

This study tests whether taking steroids (dexamethasone) for a few days after sleep surgery helps reduce pain, allows patients to eat solid food sooner, and lowers the need for strong painkillers. About 120 adults with obstructive sleep apnea will receive either the steroid or a …

This study compares a new device called KPAP to standard APAP for treating obstructive sleep apnea. The goal is to see if KPAP, which delivers lower pressure during breathing out, is more comfortable and used more each night. About 30 adults with sleep apnea will try both devices…

This study looks at people who have both sleep apnea and chronic insomnia. All 120 participants will receive standard CPAP therapy for sleep apnea. Half will also get a digital program to treat their insomnia starting at the same time as CPAP. The other half will follow usual car…

This study tests new parts for PAP machines (the devices that help people with sleep apnea breathe at night). Researchers want to see if the new masks, tubes, or machines are as comfortable and easy to use as current ones. About 30 adults who already use a PAP machine will try th…

This study looks at whether orofacial myofunctional therapy (OMT) – exercises for the mouth and tongue – can improve sleep apnea symptoms in adults with mild-to-moderate cases. It will compare OMT alone, CPAP alone, both together, and standard care in 168 participants over 12 wee…

This study compares how comfortable two different sleep apnea machines feel to people who have never used one before. Twenty-four adults with newly diagnosed obstructive sleep apnea will try each machine for 4 nights at home. The goal is to see which device people find more comfo…

This study looks at whether adding sleep-focused treatments to standard psychiatric care can reduce suicide risk in young adults. About 90 college students with suicidal thoughts and sleep problems will be randomly assigned to one of three sleep interventions. Researchers will tr…

This study tests two different CPAP devices for people newly diagnosed with obstructive sleep apnea. One device uses a feature called KPAP, the other uses EPR. Researchers will compare how well each device controls breathing pauses during sleep and how patients feel about their s…

This study tests a wearable smart eye-mask that combines gentle heat and massage with voice-guided sleep therapy to help people who have both insomnia and sleep apnea. The 4-year project will first explore how the condition works, then develop the device, and finally test it in 1…

This study looks at whether watching cartoons or listening to breath-synchronized interactive stories can help children aged 6-9 feel less afraid and more comfortable while using a nebulizer for breathing medication. About 96 children with respiratory conditions will be randomly …

This study tests a 4-month personalized digital program (PASS) to help people with obstructive sleep apnea start and continue using positive airway pressure (PAP) therapy. Sixty overweight, inactive adults newly diagnosed with sleep apnea will be randomly assigned to either the P…

This study tests whether 12 weeks of daily breathing exercises using a special device can reduce sleep apnea severity and improve sleep quality in 10 adults with severe obesity (BMI over 40) and obstructive sleep apnea. Participants will do progressively harder breathing workouts…

This study will compare two sedative drugs, remimazolam and dexmedetomidine, in 60 adults with obstructive sleep apnea undergoing drug-induced sleep endoscopy. The goal is to see which drug provides more stable sedation, fewer side effects like low heart rate or low blood pressur…

This study compares standard fentanyl pain medicine to an opioid-free mix of acetaminophen, ibuprofen, ketamine, and dexamethasone in 64 children aged 5-10 with mild to moderate sleep apnea undergoing tonsil surgery. The goal is to see if the opioid-free option controls pain just…

This study tests a new oral appliance called DPOA that gently and gradually moves the jaw forward during sleep to keep the airway open in people with mild to moderate obstructive sleep apnea. Forty adults aged 20 to 65 will be enrolled and monitored with sleep tests. The goal is …

This study tests a new software tool called Pressure Match that helps doctors set personalized minimum and maximum pressure levels on CPAP machines for people newly diagnosed with obstructive sleep apnea. The tool uses patient data like weight, gender, and severity of apnea to re…

This study tests if applying cold (cryotherapy) to the wrist before a blood draw from the artery can reduce pain. It involves 258 adults with chronic respiratory diseases who need this test. The goal is to find a simple, drug-free way to make the procedure less painful.

This study tests a nasal device (iNAP) that uses gentle suction to keep the airway open during sleep. It includes 65 adults aged 50-75 with mild cognitive impairment and moderate-to-severe sleep apnea. Half will use the device nightly for 24 weeks, while the other half receive sl…

This study tests a digital, game-like exercise system called ApneaTheraPlay for people with obstructive sleep apnea. Participants will do a mix of breathing, aerobic, strengthening, and throat exercises three times a week for 12 weeks, either through the game or a structured prog…

This study looks at whether 8 weeks of inspiratory muscle training can improve thinking, brain oxygen levels, and brain healing in 42 adults with moderate obstructive sleep apnea. Participants will do breathing exercises daily and be compared to those receiving a low-intensity ve…

This early study tests a neck device that uses gentle suction to keep the airway open during sleep, which might help people with obstructive sleep apnea. Ten healthy volunteers will wear the device during one night of sleep and compare their breathing to a night without it. The g…

This study tests whether a nerve block (injecting numbing medicine near the cheekbone) can control pain after tonsillectomy in children aged 3-9, reducing the need for opioids. Sixty kids having tonsil surgery for sleep apnea will be randomly assigned to get either the nerve bloc…

This study tests whether myofunctional therapy—simple exercises for the tongue, face, and breathing muscles—can improve sleep in children aged 6-12 with obstructive sleep apnea. Half of the 174 participants will do these exercises for 24 weeks with remote coaching, while the othe…

This study looks at whether placing children in a specific position when their breathing tube is removed after sleep apnea surgery can reduce the risk of dangerously low oxygen levels. About 262 children aged 2-10 will take part. The goal is to find a simple, no-cost way to make …

This study tests whether drinking a ketone supplement (Ketone-IQ) before sleep can improve sleep quality and reduce breathing pauses in people with moderate-to-severe obstructive sleep apnea. Thirty adults who already use CPAP will try the ketone drink for two nights and a placeb…

This study looks at how obstructive sleep apnea (OSA) affects thinking skills like attention and memory, and how those changes relate to quality of life. Adults newly diagnosed with OSA will take an overnight sleep test, followed by computer tasks and questionnaires. Their result…

This study will use a painless ultrasound to examine tongue stiffness, thickness, and other features in 80 adolescents aged 12-18 with obesity and sleep-disordered breathing. Participants are already enrolled in a weight-loss program. The goal is to better understand how the tong…

This study aims to find out how much dental interns in Egypt know about pediatric obstructive sleep apnea, a common but often missed sleep disorder in children. Researchers will survey 350 interns using a questionnaire to assess their knowledge, attitudes, and practices. The goal…

This study follows 60 adults who had jaw surgery (maxillomandibular advancement) for obstructive sleep apnea. Some develop central or mixed sleep apneas after surgery, and researchers want to see if these breathing issues get better, stay the same, or get worse over a year. Parti…

This study will test a new wearable device that monitors your body's internal clock (circadian rhythm) by tracking signals like heart rate and movement. Researchers will compare the device's readings to standard saliva tests in 30 adults who are either healthy, have sleep apnea, …

This study looks at how sleep apnea measurements change from night to night. Current tests rely on a single night, which can be inaccurate. Researchers will track 192 people over multiple nights to find more reliable markers for diagnosis and treatment.

This study looks at whether children aged 6 to 12 with a specific teeth alignment issue (posterior crossbite) are more likely to have obstructive sleep apnea. Researchers will use a questionnaire to measure sleep apnea risk in 420 children. The goal is to understand if there is a…

This study looks at whether a quick, non-invasive breathing test called impulse oscillometry (IOS) can help doctors find the right pressure settings for sleep apnea machines. Currently, patients often need an overnight sleep study to determine the correct pressure. The study will…

This study looks at why many people with obstructive sleep apnea still feel very sleepy during the day even after successful treatment with CPAP or other devices. Researchers will test 100 adults to see if the amount of oxygen drops during sleep before treatment predicts this lef…

This study follows 60 adults with pulmonary hypertension (high blood pressure in the lungs) for 2 years. Researchers will measure breathing problems during sleep and heart rate changes to see how they relate to the disease. No new treatment is given; participants continue their u…

This study looks at how the size of the upper airway might influence teeth grinding (bruxism) during sleep in people with obstructive sleep apnea. Researchers will use safe, low-radiation 3D scans and sleep tests to measure airway volume and bruxism in 80 adults. The goal is to b…

This study will test three ways of giving oxygen to 280 adults during colonoscopy sedation: standard continuous flow, breath-synchronized pulses via the Sovant device, and CPAP. Researchers will track how often patients have breathing pauses or low oxygen levels. The goal is to f…

This study looks at the teeth, mouth, and face health of 25 people with Mowat-Wilson syndrome, a rare genetic condition. Researchers will check for cavities, gum disease, and facial features, and ask about quality of life. No treatment is given—the goal is to gather information t…

This study looks at how often people develop speech or swallowing problems after a jaw-advancement surgery for obstructive sleep apnea. Researchers will measure nasality, speech, and swallowing in 28 adults before and after surgery at five different times. The goal is to better u…

This study looks at whether a simple arm exercise test, called the 6-Minute Pegboard and Ring Test, can reliably measure upper body function in adults with obstructive sleep apnea. Researchers will compare test results with sleep study data and questionnaires. The goal is to impr…

This study will collect health data from 5,000 adults with sleep-related breathing disorders like obstructive sleep apnea. Researchers will track symptoms and test results over time to better understand these conditions and improve patient monitoring. No new treatments are being …

This study will follow 1200 people who have had a heart attack or unstable angina and also have sleep apnea. Researchers will collect blood, urine, and stool samples to understand how sleep apnea affects metabolism and heart risk. The goal is to build an AI-based tool to better p…

This study will give a single dose of morphine or a placebo to 26 adults (some healthy, some with obstructive sleep apnea) during a sleep study night. Researchers will measure how much their breathing changes. The goal is to understand why opioids can dangerously slow breathing d…

This study will follow 11,100 adults with sleep-disordered breathing for up to 5 years. Researchers will collect health data and samples to find better ways to predict risks and tailor treatments. No new drug or device is being tested; participants receive standard care like CPAP…

This study looks at how a device that stimulates a nerve in the tongue changes the way the upper airway collapses in people with obstructive sleep apnea. Researchers will measure airway collapsibility during a sleep endoscopy in 21 adults already using the therapy. The goal is to…

This study looks at why people with heart failure or those taking opioid painkillers develop central sleep apnea (pauses in breathing during sleep). Current treatments don't work well, so researchers will test combinations of breathing machines and medications in 200 Veterans. Th…

This study looks at how low oxygen levels during sleep (from obstructive sleep apnea) are connected to problems in the tiny blood vessels of the heart. Researchers will follow 560 adults with suspected heart issues to see if sleep apnea patterns can predict future heart events li…

This study will test two different ways of using a breathing machine (CPAP) in 60 severely obese adults after they wake up from anesthesia. The goal is to see which setting better supports heart and lung function. Participants will be monitored with special sensors to measure lun…

This study looks at 50 children aged 3-7 with type 1 obstructive sleep apnea who are scheduled for adenotonsillectomy. Researchers want to see if changes in how much children open their mouths during sleep are linked to improvements in their quality of life. Parents will answer q…

This study will observe 55 adults with obstructive sleep apnea to see if the severity of their breathing pauses during sleep is linked to higher blood pressure in the lungs. Researchers will use echocardiography to measure lung artery pressure. The goal is to better understand th…

This study will use an overnight sleep test (polysomnography) to measure breathing problems during sleep in 30 adults with systemic sclerosis (scleroderma). The goal is to find out how common sleep-disordered breathing is in this group. No treatment is given—this is purely an obs…

This study looks at whether treating obstructive sleep apnea with CPAP can change how certain immune cells (neutrophils) behave. Researchers will collect blood from 120 people — 80 with moderate-to-severe sleep apnea and 40 healthy controls — to measure immune cell activity and r…

This study will check how common it is for obese people with sleep apnea to still have low breathing at night even when using a CPAP machine. About 139 adults will wear a special skin sensor that measures oxygen and carbon dioxide levels overnight. The goal is to find out how man…