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ClinicalTrials.gov public records Last synced Oct 16, 2026, 2:25 AM EDT

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Showing 385–408 of 4,088 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Obstructive Clear all
Completed Not applicable Interventional Results available

Continuous Positive Airway Pressure (CPAP) After Adenotonsillectomy in Children

NCT01554527
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Sleep Apnea Syndromes, Child Behavior Disorders, Attention Deficit Disorder With Hyperactivity, Disorders of Excessive Somnolence
Interventions
CPAP treatment, No CPAP treatment
Procedure · Other
Lead sponsor
University of Michigan
Other
Eligibility
5 Years to 12 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 1 Interventional Results available

Vitamin D and Severe Asthma Exacerbations

NCT01921894
View directory record Official record
Conditions
Asthma
Interventions
Cholecalciferol
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
6 Years to 14 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Oct 16, 2026, 2:25 AM EDT
Terminated Phase 3 Interventional Results available

Inhaled Treprostinil in Participants With Pulmonary Hypertension Due to Chronic Obstructive Pulmonary Disease (PH-COPD)

NCT03794583
View directory record Official record
Conditions
Pulmonary Hypertension, Chronic Obstructive Pulmonary Disease
Interventions
Inhaled treprostinil solution
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
28
States / cities
Birmingham, Alabama • Sacramento, California • Clearwater, Florida + 23 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 16, 2026, 2:25 AM EDT
Completed No phase listed Observational

Long-term Observational Study of the Safety of Roflumilast

NCT03381573
View directory record Official record
Conditions
COPD
Interventions
Roflumilast
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years and older
Enrollment
135,856 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Organized Self-Management Support Services for Chronic Depression

NCT01139060
View directory record Official record
Conditions
Depression
Interventions
organized care program for chronic or recurrent depression
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 16, 2026, 2:25 AM EDT
Terminated Phase 2 Interventional Results available

Alefacept in Subjects With Steroid-Refractory Chronic Graft-versus-Host Disease

NCT01226420
View directory record Official record
Conditions
Chronic Graft-versus-host Disease
Interventions
Alefacept
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
3
States / cities
Boston, Massachusetts • Seattle, Washington • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 13, 2013 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Not applicable Interventional

Evaluation of the Toffee Nasal and Toffee Nasal Pillows Mask in Home, USA, 2022

NCT05496062
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
F&P Toffee Nasal and Toffee Nasal Pillows Masks
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
22 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Miami, Florida • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 24, 2024 · Synced Oct 16, 2026, 2:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Role of the Toxic Metal Cadmium in the Mechanism Producing Infertility With a Varicocele

NCT00044369
View directory record Official record
Conditions
Varicocele, Male Infertility, Hypospermatogenesis, Non-Obstructive Azoospermia
Interventions
Varicocele repair
Procedure
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
21 Years to 55 Years · Male only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
2
States / cities
Camden, New Jersey • Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Sep 4, 2006 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Not applicable Interventional Results available

Nurse Coach-Led Early Palliative Care for Older Adults With COPD and Their Care Partners: The Project EPIC Pilot RCT

NCT05040386
View directory record Official record
Conditions
COPD
Interventions
EPIC (Empower People to Independence in COPD), Usual Care
Behavioral · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of QAW039 in Patients With Severe Asthma Inadequately Controlled With Standard of Care Asthma Treatment.

NCT02555683
View directory record Official record
Conditions
Asthma
Interventions
QAW039, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
894 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
55
States / cities
Birmingham, Alabama • Gilbert, Arizona • Litchfield Park, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 16, 2026, 2:25 AM EDT
Completed No phase listed Observational

Strados System at Center of Excellence

NCT04485741
View directory record Official record
Conditions
Copd, Asthma, Covid19
Interventions
RESP
Device
Lead sponsor
Strados Labs, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced Oct 16, 2026, 2:25 AM EDT
Withdrawn Not applicable Interventional

Optimizing Treatment Effects on OSA-related Clinical and Patient-centered Outcomes Among Blacks

NCT03354520
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Tailored Videos, OSA Treatment, Standard Videos
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 1 Interventional

Evaluate the Safety of MN-221 in Subjects With Stable Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD)

NCT01013142
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
MN-221 (Dose Group 1), MN-221 (Dose Group 2), MN-221 (Dose Group 3)
Drug
Lead sponsor
MediciNova
Industry
Eligibility
40 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
7
States / cities
Phoenix, Arizona • Fullerton, California • Tamarac, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Not applicable Interventional

Multidisciplinary Approach to the Treatment of Insomnia and Comorbid Sleep Apnea

NCT01785303
View directory record Official record
Conditions
Obstructive Sleep Apnea, Insomnia
Interventions
CBT-I, CPAP
Behavioral · Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 18, 2019 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 3 Interventional Results available

Study to Assess the Efficacy and Safety of PT003, PT005, and PT001 in Subjects With Moderate to Very Severe COPD

NCT02343458
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
GFF MDI (PT003), FF MDI (PT005), GP MDI (PT001), Placebo MDI
Drug
Lead sponsor
Pearl Therapeutics, Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
1,756 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
44
States / cities
Andalusia, Alabama • Birmingham, Alabama • Foley, Alabama + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 3 Interventional

Evaluate the Effects on Asthma Control of Rabeprazole Given Twice Daily in Subjects With Asthma.

NCT00214552
View directory record Official record
Conditions
Asthma, Gastroesophageal Reflux Disease
Interventions
rabeprazole
Drug
Lead sponsor
Associated Scientists to Help Minimize Allergies
Other
Eligibility
18 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
2
States / cities
Richland, Washington • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 23, 2011 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Not applicable Interventional

Fish Oil and HMB Supplementation in COPD

NCT03796455
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Capsule + Powder supplementation, stable tracer infusion
Dietary Supplement · Other
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years to 100 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 2 Interventional Results available

Study of Enbrel (Etanercept) for the Treatment Sub-Acute Pulmonary Dysfunction After Allogeneic Stem Cell Transplant

NCT00141726
View directory record Official record
Conditions
Lung Injury, Acute, Respiratory Distress Syndrome, Adult, Bronchiolitis Obliterans
Interventions
Etanercept
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
6 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Oct 16, 2026, 2:25 AM EDT
Withdrawn Phase 4 Interventional

Mechanisms for Dyspnea on Exertion in Children With Obesity and Asthma: Distinct Physiological Phenotypes

NCT04184609
View directory record Official record
Conditions
Asthma in Children, Dyspnea; Asthmatic, Obesity, Childhood
Interventions
Control, Albuterol
Other · Drug
Lead sponsor
Ohio State University
Other
Eligibility
9 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 16, 2026, 2:25 AM EDT
Terminated Not applicable Interventional

Effect of Ozone on Airway Inflammation in Allergic Asthmatics Treated With Omalizumab

NCT00287378
View directory record Official record
Conditions
Asthma, Allergy
Interventions
omalizumab
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 30, 2009 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Single Centre Randomized Study Evaluating The Safety And Tolerability Of GSK233705 In Healthy Volunteers.

NCT00453687
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
GSK233705
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 7, 2017 · Synced Oct 16, 2026, 2:25 AM EDT
Active, not recruiting Not applicable Interventional

Clinical Trial of the Cryosa System for the Treatment of Obstructive Sleep Apnea

NCT06008626
View directory record Official record
Conditions
Obstructive Sleep Apnea of Adult
Interventions
Cryosa Procedure
Device
Lead sponsor
Cryosa, Inc.
Industry
Eligibility
22 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
9
States / cities
Aurora, Colorado • Miami, Florida • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 4 Interventional Results available

Combining Medications to Enhance Depression Outcomes

NCT00590863
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
SSRI + placebo, Escitalopram + Bupropion SR, Venlafaxine XR + Mirtazapine
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 75 Years
Enrollment
665 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
15
States / cities
Tuscaloosa, Alabama • Harbor City, California • Los Angeles, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced Oct 16, 2026, 2:25 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study to Evaluate Safety, Tolerability and Pharmacokinetics of Two Different Doses of Alpha1-Proteinase Inhibitor Subcutaneous (Human) 15% in Participants With Alpha1-Antitrypsin Deficiency

NCT04722887
View directory record Official record
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
Alpha-1 15%, Liquid Alpha1-Proteinase Inhibitor (Human)
Biological
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
Los Angeles, California • Gainesville, Florida • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 16, 2026, 2:25 AM EDT