Condition
Obstructive Sleep Apnea (OSA) clinical trials and research
As of November 12, 2026, Find a Trial lists 41 Obstructive Sleep Apnea (OSA) clinical trials that are recruiting, at sites in 24 countries (most in United States (14), China (5), Belgium (5)). By phase: Phase 4 (2), Phase 1/2 (1), Phase 2 (1). The most active sponsors are Inspire Medical Systems, Inc. (2), University of Arizona (2), Uniformed Services University of the Health Sciences (2). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 41Clinical trials
- 24Countries
Newest Obstructive Sleep Apnea (OSA) clinical trials
All recruiting trials (41)
-
F&P Mask usability in home PAP/NIV care for adults with chronic breathing conditions
This study tests how well the F&P Licorice Mask works at home for adults who already use PAP or NIV therapy.
-
Sleep apnea biomarkers and CPAP use after diagnosis
This study tests whether biomarkers from a diagnostic sleep study can predict how well adults with newly diagnosed obstructive sleep apnea will stick to CPAP therapy after about 3 months.
-
Using the PLATO Questionnaire in Oral Appliance Therapy for Obstructive Sleep Apnea
This real-world study tests whether the PLATO questionnaire can be feasibly used in dental sleep clinics for patients receiving oral appliance therapy for obstructive sleep apnea.
-
Managing COMISA: adding daridorexant to CPAP may help sleep and CPAP use
This study tests whether adding daridorexant to CPAP helps people with COMISA better stick with CPAP and feel better.
-
OSA Screening in Diverse Populations
This study tests how common obstructive sleep apnea is across community members and people with certain diseases in China, using screening questionnaires and polysomnography or portable sleep monitors.
-
Wall Squat Exercise to Help Lower Blood Pressure in Adults with Hypertension and Sleep Apnea
This study tests whether doing an isometric wall squat can lower blood pressure in adults who have high blood pressure and sleep apnea treated with CPAP.
-
Biomarkers in Obstructive Sleep Apnea: Could Blood Tests Help Screen and Track OSA?
This study tests whether blood biomarkers can help screen for, diagnose, and monitor obstructive sleep apnea in adults, including an analysis of treatment response with PAP therapy.
-
Scarlet WhisperPT: a comfortable in-ear cue device to reduce sleep on the back for positional sleep apnea
This study tests WhisperPT, an in-ear device that gives gentle audio cues at night to help people with positional obstructive sleep apnea sleep more in non-supine positions and see if it lowers breathing disruption.
-
Comparative test of PAP therapy, a dental device, and atomoxetine-oxybutynin for adults with obstructive sleep apnea
This study tests three options for obstructive sleep apnea to see which works best and is easiest for patients to use.
-
Dronabinol and Acetazolamide Medication for Sleep Apnea dose test in adults with obstructive sleep apnea
This study tests whether different doses of IHL-42X, a combination of dronabinol and acetazolamide, can improve sleep apnea symptoms in adults who can’t or won’t use CPAP.
-
Fluid removal and sleep apnea changes in heart failure patients
This study tests whether removing excess fluid in adults with heart failure improves their sleep apnea while in the hospital.
-
Early screening for sleep-disordered breathing in kids at the dentist
This study tests whether a simple kid-friendly questionnaire can flag risk for sleep-disordered breathing in children aged 8–13 when checked during a dental visit.
-
Changing electrical stimulation frequency to affect tongue muscle activity
This test tries different electrical stimulation frequencies on the tongue and submental muscles to see if they change tongue strength and muscle size in adults at high risk for sleep apnea.
-
Remote CPAP monitoring for severe obstructive sleep apnea in primary care
This will test whether remote monitoring of CPAP devices helps adults with severe obstructive sleep apnea treated in primary care use their therapy more and improve symptoms.
-
Improving Sleep in African American Couples: A CPAP Adherence Study
This study tests whether a couple-focused program including remote monitoring, virtual therapy, and peer support can help African American adults with moderate to severe sleep apnea use CPAP more consistently and sleep better.
-
Tongue ultrasound for children and teens with obesity
For children and teens with obesity enrolled in a 30-week inpatient weight-loss program, this project uses ultrasound to see if tongue size, fat content, and stiffness relate to body measurements and sleep apnea and change after the program.
-
Portable sleep monitors for children with autism
This study will test whether a small portable sleep monitor (Nox T3s) can find obstructive sleep apnea in children aged 6–18 with autism by comparing it to an in-hospital polysomnogram.
-
Adenotonsillectomy and spinal curve changes in children with sleep-disordered breathing
This trial will test whether removing the adenoids and tonsils can reduce or prevent worsening of spinal curves in children aged 6–15 who have mild sleep-disordered breathing and scoliosis or are at risk.
-
High-flow nasal oxygen to prevent low oxygen during sedated endoscopy in people with high-risk sleep apnea
This will test whether using high‑flow nasal oxygen instead of a regular nasal cannula prevents low oxygen levels during propofol‑sedated gastroscopy or colonoscopy in adults with high‑risk obstructive sleep apnea (STOP‑Bang ≥5).
-
Low-tech breathing and drinking exercises for obstructive sleep apnea.
This project will try two simple breathing-and-drinking exercise programs to see if they help adults (18–65) with obstructive sleep apnea sleep better and whether results differ for people with prior traumatic brain injury.
-
App-guided orofacial muscle training for mild to moderate obstructive sleep apnea.
This trial will test a three-month app-delivered facial-recognition guided orofacial exercise program to see if it reduces sleep apnea severity and symptoms in adults with mild to moderate OSA who cannot tolerate or decline CPAP or oral appliances.
-
Endotype-directed treatment for obstructive sleep apnea in people with Down syndrome
This project will test whether a precision approach—using atomoxetine plus oxybutynin for some people and oxygen for others based on breathing patterns—works better than giving atomoxetine-plus-oxybutynin to everyone with Down syndrome and obstructive sleep apnea.
-
Myofunctional therapy for children with obstructive sleep apnea
This study tests whether myofunctional therapy helps children aged 6–12 who have obstructive sleep apnea see improvements in sleep and breathing.
-
Orofacial muscle training for children with obstructive sleep apnea
This trial will test whether 12 weeks of orofacial muscle exercises help children aged 6–12 with obstructive sleep apnea (AHI > 1) sleep better and feel better during the day.
-
Orofacial muscle therapy for children with Down syndrome or Prader–Willi syndrome and obstructive sleep apnea
We will test whether 20 weeks of orofacial myofunctional therapy can reduce obstructive sleep apnea and improve sleep-related quality of life in children with Down syndrome or Prader–Willi syndrome.
-
Telehealth care with a human sleep navigator for obstructive sleep apnea in the military health system
This study will test whether telehealth OSA care that includes a human sleep navigator works as well and costs less than private-sector care for TRICARE beneficiaries newly diagnosed with obstructive sleep apnea.
-
Inspire UAS for very severe OSA and higher-BMI adults
This study tests whether the implanted Inspire upper airway stimulation (UAS) system is safe and works long-term for adults with very severe obstructive sleep apnea or higher BMI who cannot use CPAP.
-
Preventing bite changes from mandibular advancement sleep devices with a morning aligner or jaw exercises.
This test compares a removable morning interocclusal aligner to daily jaw exercises to see if they prevent bite changes in adults using mandibular advancement devices for sleep apnea or snoring.
-
How different CPAP mask exhaust flows affect CO2 rebreathing
This test will see if different CPAP mask exhaust flows change how much exhaled carbon dioxide people with moderate to severe OSA might rebreathe during sleep.
-
Hypoglossal nerve stimulation for adults with obstructive sleep apnea
This study will test an implanted hypoglossal nerve stimulator to see if it reduces sleep apnea events and improves sleep for adults with moderate to severe OSA who cannot tolerate CPAP.
-
Improving CPAP use in adults with severe sleep apnea through motivation and psychological factors
This study is testing if a motivational phone call can help adults with severe sleep apnea stick to their CPAP therapy better than those who don’t get the call.
-
CPAP versus mandibular advancement mouthpiece for sleep apnea in people with mild cognitive impairment
This project will try to see if a mandibular advancement device (a dental mouthpiece) works as well as nightly CPAP to improve thinking and memory in people over 45 with moderate-to-severe obstructive sleep apnea and mild cognitive impairment.
-
EURO-STIM: Long-term tracking of Inspire therapy for obstructive sleep apnea
This registry will track people with obstructive sleep apnea who have an Inspire implant to see how they use the device over time and how well they stick with therapy.
-
New method for diagnosing obstructive sleep apnea using muscle activity measurements
This study is trying out a new, painless way to diagnose obstructive sleep apnea by measuring muscle activity in the mouth and throat to see if it can provide accurate results.
-
New ways to spot obstructive sleep apnea using facial scans, videos, and heart rate patterns
This study tests whether facial scans, short videos of facial movements, and heart rate variability can help diagnose obstructive sleep apnea in adults.
-
Evaluating a Sleep Tracking Mat for Diagnosing Sleep Apnea
This study is testing a new sleep tracking mat to see if it can accurately diagnose sleep apnea in a simpler and more convenient way than traditional methods.
-
Driving-simulator sleepiness test compared with the standard wakefulness test for people with OSA after pausing CPAP
This research will test whether a naturalistic driving-simulator sleepiness test can detect dangerous sleepiness behind the wheel in adults with obstructive sleep apnea after temporarily stopping CPAP treatment.
-
New classification for sleep apnea based on daytime sleepiness and heart risk
We will test whether combining daytime sleepiness and cardiovascular risk scores can better predict long-term outcomes for adults newly diagnosed with obstructive sleep apnea.
-
Home smartphone videos to detect obstructive sleep apnea in children
This project will test whether short smartphone videos recorded by parents can help spot moderate-to-severe obstructive sleep apnea in children ages 2–18 who are being referred for a sleep study.
-
Optic nerve blood flow and injury in people with obstructive sleep apnea
This study will test if CPAP treatment and how severe someone's sleep apnea is affect optic nerve blood flow and the risk of ischemic optic neuropathy in adults with obstructive sleep apnea.
-
Motivational program to improve sleep quality in patients with sleep apnea
This study is testing a new motivational program to see if it can help adults with sleep apnea sleep better and stick to their CPAP therapy.
Related topics
Quick answers
How many Obstructive Sleep Apnea (OSA) clinical trials are recruiting right now?
41, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 24 countries. The most sites are in United States (14 trials), China (5 trials), Belgium (5 trials), France (4 trials), Switzerland (3 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 2, Phase 1/2: 1, Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.