Clinical trials
Apnea clinical trials
Below are recruiting apnea clinical trials, each written for real people, not researchers. We’re tracking 367 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04603196Recruiting
Study sleep apnea in adults with multiple sclerosis
This study looks at how often sleep apnea happens in people who have multiple sclerosis, and how it affects daily life and health. You may be invited to participate if you’re an adult with a confirmed multiple sclerosis diagnosis and can consent to the study.
Boston, MassachusettsAges 18 years+ - NCT04658290Recruiting
Sleep apnea screening and memory test study
This study looks at how common obstructive sleep apnea is and whether it’s linked to thinking and memory problems. It may help clarify which people with sleep apnea might be more likely to have cognitive difficulties.
Hong Kong, Please SelectAges 40–74 - NCT04659291Recruiting
Studying people in Hong Kong who may have sleep apnea
This study looks at people who may have obstructive sleep apnea, a breathing problem during sleep. It aims to better understand the condition in Hong Kong and what to do next for diagnosis or care.
Hong Kong, Please SelectAges 18 years+ - NCT04675268Recruiting
Testing nighttime oxygen patterns in suspected sleep apnea
This study looks at how oxygen levels change during the night in people who might have obstructive sleep apnea (OSA). It may help doctors better understand breathing problems during sleep and improve how OSA is evaluated.
LeuvenAges 18 years+ - NCT04712656Recruiting
CPAP treatment for sleep apnea and blood pressure changes
This study tests whether using CPAP (a breathing machine) for obstructive sleep apnea can improve blood pressure and heartbeat timing. You’ll have blood pressure checked at the start and again after 6 months, along with a sleep evaluation to confirm eligibility.
Columbus, OhioAges 30–75 - NCT04814420Recruiting
Study heart scarring in sleep apnea, with or without atrial fibrillation
This pilot study looks at whether obstructive sleep apnea leads to heart scarring (called atrial fibrosis), especially in people with and without an irregular heart rhythm (atrial fibrillation). It may help researchers understand who is at higher risk and why, using sleep testing and heart imaging.
New Orleans, LouisianaAges 18–75 - NCT04903951RecruitingPhase 2
Check if early breathing support after stroke helps sleep apnea
This trial tests whether starting a breathing-support treatment soon after a first stroke improves outcomes in people who also have sleep apnea. It may help reduce complications and support recovery if you meet the specific timing and health criteria.
Matosinhos MunicipalityAges 18–80 - NCT04991389RecruitingPhase 4
Test a breathing study plan for kids with sleep apnea after surgery
This trial studies how to improve outcomes for children who still have obstructive sleep apnea after having their tonsils and adenoids removed. It uses computer modeling (based on breathing/airflow) and may include a special breathing gas during testing in some parts of the study.
Cincinnati, OhioAges 3–18 - NCT05147649Recruiting
Brain scan study in severe sleep apnea without CPAP
This trial uses a specialized brain scan (MRI) to study people with severe obstructive sleep apnea who are not using CPAP. It also compares them with people who do not have sleep apnea to understand how brain function differs.
ReimsAges 18–75 - NCT05237505RecruitingPhase 2
Sleep apnea plus COPD study to check heart and breathing effects
This Phase 2 study looks at the cardiovascular (heart/blood vessel) effects of having both sleep apnea and COPD. It may help doctors better understand who is at risk and how to manage these breathing problems together.
La Jolla, CaliforniaAges 40–79 - NCT05303987RecruitingPhase 2
Dexmedetomidine or propofol for sleep endoscopy in children
This Phase 2 study compares two medicines used to help children sleep during a procedure called drug-induced sleep endoscopy. It’s for children with obstructive sleep apnea who are being evaluated before adenotonsillectomy, to help surgeons understand the cause of the blockage and potentially improve treatment planning.
Ann Arbor, MichiganAges 3–11 - NCT05459935Recruiting
Light treatment for enlarged tonsils in children
This trial studies whether a light-based treatment (called photobiomodulation) can help children with very enlarged tonsils. It may improve breathing and sleep symptoms, and you’d have before-and-after checkups, including sleep testing.
Edmonton, AlbertaAges 6–12 - NCT05497180RecruitingPhase 1
Testing an oral device to reduce snoring and mild sleep apnea
This Phase 1 study tests whether a passive mouth/oral appliance can lessen snoring and mild obstructive sleep apnea. It may help you by improving airflow during sleep without other intensive treatments.
Edmonton, AlbertaAges 18 years+ - NCT05508971Recruiting
Personalized tonsil surgery for sleep apnea in children with Down syndrome
This study tests whether a personalized surgical approach can treat moderate to severe obstructive sleep apnea (OSA) in children with Down syndrome. The goal is to improve breathing during sleep and overall sleep health.
Aurora, ColoradoAges 2–17 - NCT05539716Recruiting
Treating sleep apnea to study effects on metabolism
This study tests a sleep apnea treatment approach and looks at how it may affect your body’s metabolism. You may be eligible if you’re an adult with sleep apnea and meet health and medication rules, and possibly if you already use a PAP machine regularly.
Miami, FloridaAges 18–70 - NCT05558501RecruitingPhase 1/Phase 2
Intermittent low-oxygen therapy for sleep apnea and health risks
This early-stage study tests a treatment that briefly reduces oxygen during sleep to improve “plasticity,” with the goal of helping people with obstructive or mixed sleep apnea. It also looks at related conditions like high blood pressure and pre-diabetes or cholesterol problems, especially in people who haven’t tried CPAP yet.
Detroit, MichiganAges 30–60 - NCT05575401Recruiting
Track surgery results in kids getting tonsil removal
This trial looks at how well a specific throat surgery technique works in children who are having their tonsils removed (with or without removing adenoids). It may help improve how doctors choose and perform surgery for safer, better recovery.
Murrieta, CaliforniaAges 3–17 - NCT05612594RecruitingPhase 4
Study of an SGLT2 pill for sleep apnea in overweight adults
This study tests whether taking an SGLT2 inhibitor pill (bexagliflozin) can improve obstructive sleep apnea and related body measurements. It focuses on people who are overweight or obese and have confirmed obstructive sleep apnea.
New Haven, ConnecticutAges 18 years+ - NCT05678088Recruiting
Exercises for sleep apnea when CPAP and other options don’t work
This trial tests whether doing exercises for the throat and mouth can reduce obstructive sleep apnea symptoms in people who cannot tolerate CPAP and aren’t using other device or surgery treatments. It may help if your apnea is mainly caused by blocked airflow rather than problems with breathing control.
Toronto, OntarioAges 18 years+ - NCT05719779Recruiting
Oral device trial for snoring and sleep apnea in throat cancer
This trial tests whether a custom mouth (mandibular advanced) device can reduce snoring and breathing pauses during sleep in people with oropharyngeal (throat) cancer. It also looks at how well you tolerate the device and whether it helps with sleep symptoms.
Montreal, QuebecAges 18–65 - NCT05735444Recruiting
CPAP registry for sleep apnea in people with high blood pressure
This study keeps a record of people with obstructive sleep apnea (OSA) who also have high blood pressure, to better understand how CPAP is used and what outcomes happen. It may help your care team by contributing your information to a large multi-center study in China.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT05804084RecruitingPhase 2
Acetazolamide for sleep apnea: sleep and brain outcomes
This study tests acetazolamide (a medicine that changes breathing chemistry) to see how it affects sleep quality and neurocognitive (brain/memory/attention) outcomes in adults with untreated moderate to severe sleep apnea. You may be eligible if you have significant sleep apnea but do not have certain safety risks or need to start standard sleep apnea treatment right away.
La Jolla, CaliforniaAges 18 years+ - NCT05846490RecruitingPhase 4
Sleep apnea treatment to improve blood pressure in kidney disease
This study tests whether treating obstructive sleep apnea can help control blood pressure in people with chronic kidney disease. If your sleep apnea is not currently being treated, participation may help your care team see whether safer breathing at night improves blood pressure control.
São PauloAges 18 years+ - NCT05939934Recruiting
Test a mouth device for sleep apnea after stopping CPAP
This study looks at whether a mandibular advancement device (a fitted mouthpiece) can control sleep apnea when you temporarily stop CPAP. It’s mainly for people who have been using CPAP for over a year but are now willing to try the mouth device.
AngersAges 18–75
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Common questions
- Are there clinical trials for apnea?
- Yes. Clin2 currently lists 367 recruiting apnea studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a apnea trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a apnea trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.