Have sleep apnea symptoms (or a diagnosis) and wondering if there’s a clinical trial that could help you access new treatments, earn compensation, or get extra medical support while contributing to research? Clinical trials for sleep apnea—especially obstructive sleep apnea (OSA)—are active across the United States and are easier to find than most people think.
Studies may test new devices, medications, digital programs, lifestyle interventions, or improved ways to diagnose and monitor sleep-disordered breathing. Below is a practical, step-by-step guide to finding currently recruiting studies online and contacting the study team to see if you qualify.
What sleep apnea clinical trials typically study
Sleep apnea trials can focus on many approaches.
- Alternatives to CPAP (for people who can’t tolerate CPAP), such as oral appliances or implanted/implant-free stimulation approaches (upper-airway or hypoglossal-nerve–related technologies are an area of ongoing research).
- New CPAP masks, comfort features, or adherence programs (to improve consistent use)
- Medications targeting sleep apnea mechanisms or related symptoms (sleepiness, inflammation, weight-related pathways)
- Weight-loss and metabolic interventions that may reduce OSA severity in certain people
- Diagnostics and monitoring (home testing tools, wearable sensors, novel scoring methods)
- Special populations (older adults, veterans, people with cardiovascular disease, people with mild OSA, etc.)
The easiest way to find open sleep apnea trials online
1) Start with ClinicalTrials.gov (best all-around database)
ClinicalTrials.gov is the main U.S. registry for federally and privately supported clinical studies. It includes study purpose, eligibility criteria, locations, and contact information for enrollment questions.
How to search (quick method)
- Go to ClinicalTrials.gov and search: “sleep apnea” or “obstructive sleep apnea.”
- Filter for:
- Recruiting / Not yet recruiting (to find open studies)
- Location (your state or “United States”)
- Age group (adult, older adult, pediatric)
- Open a study and scroll to the Contacts and Locations section to find the phone/email for the study coordinator.
ClinicalTrials.gov also has guidance on understanding search results and building more detailed searches (helpful if you want to narrow by device vs drug, distance, etc.).
2) Use NIH Clinical Research Trials and You for plain-language guidance
If you’re newer to trials, the NIH explains how participation works, what to expect, and how to locate trials in a patient-friendly way.
3) Check NIH Clinical Center and ResearchMatch (optional)
The NIH Clinical Center lists studies and also points people to ResearchMatch, a volunteer registry that can connect you with researchers (useful if you’re open to multiple types of studies).
How to apply or enroll in a sleep apnea clinical trial
Most sleep apnea trials do not have a one-click “apply now” button. Enrollment usually works like this:
Step 1: Identify 2–5 studies that match you
When you open a trial record, focus on a few key things.
- Eligibility (inclusion/exclusion criteria)
- Study location(s) (and whether remote visits are possible)
- Intervention (device, drug, behavioral program, etc.)
- Time commitment (number of visits, overnight sleep studies, follow-ups)
NIH notes that eligibility criteria are used to determine safety and fit—not to reject anyone personally.
Step 2: Contact the study team (this is the “application”)
In the trial listing, find the Contact person (often a coordinator) and reach out by phone or email. ClinicalTrials.gov explicitly includes contact information for enrollment questions.
What to say (simple script)
- “Hi, I’m calling about the sleep apnea study [Study ID/name]. I’d like to know if you’re currently recruiting and whether I might qualify.”
Step 3: Do a pre-screen (usually 5–15 minutes)
They may ask about specific things.
- Your diagnosis and severity (if known)
- Current treatment (CPAP use, oral appliance, surgery history)
- Other health conditions and medications
- Basic demographics and availability
Step 4: Review informed consent and screening tests
If you look eligible, the team will schedule consent and screening (which may include questionnaires, vitals, labs, or a sleep test). NIH emphasizes that you’ll be asked to provide information so the team can determine whether participation is safe and appropriate.
Questions to ask before you say yes
- What are the time commitments and visit schedule?
- Is there compensation (and what expenses are reimbursed—parking, travel, etc.)?
- Will I be assigned to a control group or placebo/sham (if applicable)?
- Can I continue my current sleep apnea treatment during the study?
- What are the risks/side effects, especially for device-based studies?
- Who do I contact after hours if I have problems?
For device-related trials, it can also help to know that the FDA publishes materials and guidance around clinical studies and patient engagement (useful context when evaluating how a device trial is run and how participants’ perspectives are considered).
Tips to find “better-fit” trials faster
Try searching ClinicalTrials.gov with more specific terms.
- “obstructive sleep apnea AND recruiting”
- “sleep apnea AND CPAP intolerance”
- “sleep apnea AND oral appliance”
- “sleep apnea AND hypoglossal nerve stimulation”
- “sleep apnea AND home sleep test”
- “sleep apnea AND excessive daytime sleepiness”
If you find a promising study but it’s far away, check whether it has multiple locations or whether parts of the study can be done remotely—then ask the coordinator.
Safety note (important)
Clinical trials can offer access to investigational options, but they’re not guaranteed to help, and they may involve risks or extra time commitments. It’s smart to discuss any study you’re considering with your clinician—especially if you have heart/lung conditions, severe symptoms, or safety-sensitive work (like driving).
