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ClinicalTrials.gov 6 recruiting now early-phase tilt small index

Obstructive Sleep Apnea (OSA): early-phase trial registry

6 of 13 indexed Obstructive Sleep Apnea (OSA) trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,315 of 28,707 conditions by registered trial count.

13 US clinical trials · 6 currently recruiting · #1,315 of 28,707 conditions by registered trial count

Obstructive Sleep Apnea (OSA): 13 US clinical trials tracked, 6 recruiting.

Obstructive Sleep Apnea (OSA) is the subject of 13 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Uniformed Services University of the Health Sciences, running 2 of these trials.

Enrollment posture brief

Registry condition obstructive-sleep-apnea-osa

OPEN 6 | RECR 46% | LATE 0 | EARLY 2 | RANK #1315 | SPON 2

Nearest open-share peer: B-cell Lymphoma (46% recruiting · 39 trials)

ACL Injury61.5%Acute Biphenotypic Leukemia46.2%Obstructive Sleep Apnea (thi…46%Accidental Falls30.8%Actinic Keratoses23.1%
Open-enrollment share among volume-matched conditions near Obstructive Sleep Apnea (OSA)

Obstructive Sleep Apnea (OSA) lists 6 open slots (46% of 13 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Obstructive Sleep Apnea (OSA) on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Obstructive Sleep Apnea (OSA) recruits in line with its size-band peers.

    6 of 13 indexed trials (46.2%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Obstructive Sleep Apnea (OSA) research.

    Uniformed Services University of the Health Sciences accounts for 2 of 13 trials (15.4%). 9 distinct sponsors appear on at least one study for this condition label.

  3. Most Obstructive Sleep Apnea (OSA) trials plan to enrol fewer than 100 people.

    Median target enrolment is 52 among the 13 trials that report a genuine target (sentinel values excluded). 11 of those (84.6%) plan for fewer than 100 participants.

  4. Obstructive Sleep Apnea (OSA) splits between interventional and observational designs.

    8 interventional and 5 observational studies make up this index (61.5% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 12

Open and recent trials

13 total, page 1 of 1

RECRUITING NA 160 participants

Telehealth for Sleep Apnea: Effectiveness, Implementation, and Cost in the Military Health System

Uniformed Services University of the Health Sciences

NCT07121452

RECRUITING 70 participants

Inspire UAS High Apnea Hypopnea Index (AHI)/High Body Mass Index (BMI) Post-Approval Study

Inspire Medical Systems

NCT07113288

RECRUITING 60 participants

Diagnosing Obstructive Sleep Apnea Using Electromyography of the Muscles of the Mouth

University of California, San Diego

NCT06944782

RECRUITING Phase 1 60 participants

Low-Tech Treatments for Obstructive Sleep Apnea

Uniformed Services University of the Health Sciences

NCT07301710

RECRUITING NA 30 participants

IOA Preventing Occlusal Changes With MAD Use

Isabel Moreno Hay

NCT07103941

RECRUITING NA 13 participants

Assessment of Circuit Rebreathing During CPAP Therapy

Brigham and Women's Hospital

NCT07062770

ACTIVE NOT RECRUITING 6,501 participants

Direct Referral for Apnea Monitoring

VA Office of Research and Development

NCT05419323

ACTIVE NOT RECRUITING 80 participants

Overnight Polysomnography and Respiratory Volume Monitor

Tufts Medical Center

NCT02295306

ACTIVE NOT RECRUITING NA 34 participants

The Impact of Technology in Obstructive Sleep Apnea Myofunctional Therapy

Case Western Reserve University

NCT06905951

COMPLETED 52 participants

Evaluating Sleep Quality With Emerging Technologies

Case Western Reserve University

NCT06900530

COMPLETED NA 21 participants

Differences in Efficacy Between Nasal and Oronasal Masks in the Treatment of OSA With CPAP

Weill Medical College of Cornell University

NCT01909674

COMPLETED Phase 1 13 participants

DAW1033B2 in Obstructive Sleep Apnea

Brigham and Women's Hospital

NCT03426631

COMPLETED NA 10 participants

Pilot Study of the Comparison of the Upper Airway Dynamics of Oronasal vs Nasal Masks With PAP Treatment

Weill Medical College of Cornell University

NCT01939938

Phase Distribution

PhaseTrial count
Phase 1 2

Named interventions

Most-linked intervention names on Obstructive Sleep Apnea (OSA) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Switch CPAP mask type Device
1 trials
DAW1033B2 oral capsule Drug
1 trials
Nasal and Oronasal PAP Mask Device
1 trials
Respiratory Volume Monitor (RVM, ExSpiron) Device
1 trials
Low-Resistance Breathing and Drinking Exercises Behavioral
1 trials
High-Resistance Breathing and Drinking Exercises Behavioral
1 trials
Electromyography (EMG) of the Oropharynx Diagnostic test
1 trials
Sleep Navigator Behavioral
1 trials

US sites by state

Facility locations filed on Obstructive Sleep Apnea (OSA) trials. A trial with sites in several states counts in each.

New York 3 trials
Massachusetts 3 trials
Ohio 2 trials
Maryland 2 trials
California 2 trials
Pennsylvania 1 trials
Oregon 1 trials
Kentucky 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Obstructive Sleep Apnea (OSA) page

13 registered trials, 6 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Obstructive Sleep Apnea (OSA) condition card totals 13 registered trials; most-linked intervention Switch CPAP mask type; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.