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Showing 1–24 of 151 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 3 Interventional Results available

Tiotropium+Olodaterol Fixed Dose Combination (FDC) Versus Tiotropium and Olodaterol in Chronic Obstructive Pulmonary Disease (COPD)

NCT01431274
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
tiotropium + olodaterol, tiotropium, olodaterol, Respimat
Drug · Device
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
2,624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
35
States / cities
Jasper, Alabama • Mobile, Alabama • Boulder, Colorado + 31 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Jul 22, 2026, 6:02 PM EDT
Completed No phase listed Observational

Prehospital Ventilator-Associated Pneumonia Prevention Trial

NCT01902446
View directory record Official record
Conditions
Wounds and Injuries, Respiratory Failure, Pneumonia, Ventilator-Associated
Interventions
Chlorhexidine gluconate
Drug
Lead sponsor
Nicholas M Mohr
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Jul 22, 2026, 6:02 PM EDT
Suspended Phase 3 Interventional

Efficacy and Safety of Seralutinib in Adult Subjects With Pulmonary Hypertension Associated With Interstitial Lung Disease (PH-ILD)

NCT07181382
View directory record Official record
Conditions
Pulmonary Hypertension Associated With Interstitial Lung Disease
Interventions
Placebo, Seralutinib, Generic Dry Powder Inhaler
Drug · Device
Lead sponsor
GB002, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Fresno, California • Albuquerque, New Mexico • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Prandial Inhalation of Technosphere/Insulin in Combination With Metformin or Technosphere/Insulin Alone Versus 2 Oral Anti-Diabetic Agents in Subjects With Type 2 Diabetes

NCT00332488
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Technosphere Insulin, Metformin & Secretagogues, Technosphere Insulin & Metformin
Drug
Lead sponsor
Mannkind Corporation
Industry
Eligibility
18 Years to 80 Years
Enrollment
547 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
43
States / cities
Birmingham, Alabama • Phoenix, Arizona • Chula Vista, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2014 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Not applicable Interventional

Increasing Adherence to Oral Appliance Therapy for Obstructive Sleep Apnea

NCT05038215
View directory record Official record
Conditions
Obstructive Sleep Apnea, Adherence, Patient
Interventions
adherence promotion techniques, Routine Care
Behavioral · Procedure
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Oral Hymecromone and Hyaluronan Synthesis

NCT02780752
View directory record Official record
Conditions
Healthy, Respiratory Disease
Interventions
hymecromone
Drug
Lead sponsor
Paul Bollyky
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

Efficacy of the OrthoApnea NOA® Mandibular Advancement Device in the Management of Obstructive Sleep Apnea.

NCT05139303
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Orthoapnea NOA®
Device
Lead sponsor
Isabel Moreno Hay
Other
Eligibility
18 Years to 79 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety Evaluation of Aminophylline and Methazolamide

NCT01587027
View directory record Official record
Conditions
Mountain Sickness
Interventions
Aminophylline, Methazolamide, Aminophylline and Methazolamide
Drug
Lead sponsor
Poudre Valley Health System
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Loveland, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Oral Roflumilast Taken With Low Dose Inhaled Corticosteroids in Patients With Asthma (12 to 70 y) (BY217/M2-013)

NCT00163527
View directory record Official record
Conditions
Asthma
Interventions
Roflumilast
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years to 70 Years
Enrollment
2,054 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Cities in Georgia, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Results available

Clearing Lungs With ENaC Inhibition in Primary Ciliary Dyskinesia

NCT02871778
View directory record Official record
Conditions
Primary Ciliary Dyskinesia
Interventions
VX-371, Hypertonic Saline, Placebo (0.17% saline), VX-371 + HS, Ivacaftor
Drug
Lead sponsor
Parion Sciences
Industry
Eligibility
12 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
21
States / cities
Birmingham, Alabama • Palo Alto, California • Aurora, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety Monitoring for a Novel 3D Printed Mandibular Advancement Device

NCT05018234
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Noval Oral Appliance
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Results available

Strategies To Prevent Pneumonia 2 (SToPP2)

NCT00893763
View directory record Official record
Conditions
Infections, Hospital, Ventilator-Associated Pneumonia, Mechanical Ventilation Complication
Interventions
Pre-intubation CHX, Control
Procedure
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 10, 2016 · Synced Jul 22, 2026, 6:02 PM EDT
Active, not recruiting Phase 2 Interventional

Open-label Extension Study of GB002 in Adult Subjects With Pulmonary Arterial Hypertension (PAH)

NCT04816604
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
GB002 (seralutinib), Generic Dry Powder Inhaler
Drug · Device
Lead sponsor
GB002, Inc., a wholly owned subsidiary of Gossamer Bio, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
15
States / cities
Sacramento, California • Santa Barbara, California • Jacksonville, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study Will Test the Theory That Training With the Facial-Flex Exercise Device Will Improve Snoring in Patients

NCT01554904
View directory record Official record
Conditions
Primary Snoring, Sleep Apnea
Interventions
Facial-Flex
Device
Lead sponsor
Facial Concepts, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Jul 22, 2026, 6:02 PM EDT
Terminated No phase listed Observational

Novel Technique for Face Mask Ventilation

NCT01946464
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 25, 2016 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Caffeine Disposition After Inhalation

NCT02184104
View directory record Official record
Conditions
Healthy
Interventions
Caffeine
Dietary Supplement
Lead sponsor
University of Tennessee
Other
Eligibility
21 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Jul 22, 2026, 6:02 PM EDT
Completed No phase listed Observational

Evaluating the Use of a Device Called Impulse Oscillometry in Participants With Vocal Cord Disorders or Asthma

NCT05246930
View directory record Official record
Conditions
Breathing, Mouth, Lung Function Decreased, Vocal Cord Dysfunction, Laryngeal Obstruction, Asthma
Interventions
Impulse Oscillometer
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
43 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Jul 22, 2026, 6:02 PM EDT
Recruiting Phase 2 Interventional

A Phase II Study to Investigate Lung Function With 2 Different Doses of Inhaled Glycopyrronium Taken With BFF Compared to BFF in Participants of 4 to Less Than 12 Years of Age With Asthma

NCT07525375
View directory record Official record
Conditions
Asthma
Interventions
GP MDI, BFF MDI, Placebo MDI
Combination Product
Lead sponsor
AstraZeneca
Industry
Eligibility
4 Years to 11 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
11
States / cities
Bakersfield, California • Long Beach, California • San Diego, California + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Phase 3 Interventional

Evaluate the Efficacy and Safety of Insulin Compared to Glargine in Patients With Type 2 Diabetes

NCT00437112
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Human Insulin Inhalation Powder, Insulin Glargine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
6
States / cities
Greenbrae, California • Topeka, Kansas • Toms River, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2018 · Synced Jul 22, 2026, 6:02 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Inferior Turbinate Reduction in Pediatric Population Failing Surgery for Sleep Disordered Breathing

NCT00936494
View directory record Official record
Conditions
Sleep Related Breathing Disorder, Upper Airway Resistance Syndrome, Obstructive Sleep Apnea
Interventions
Cold ablation inferior turbinate reduction
Procedure
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Up to 18 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Jul 22, 2026, 6:02 PM EDT
Terminated Not applicable Interventional

Effect of Oral Appliance Therapy on Atrial Fibrillation

NCT03835429
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
MyTAP oral appliance plus mouth shield
Device
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

Effect of Added Varnum Mouthpiece on Pharyngeal Collapsibility and Sleep Apnea Severity in Mouth Breathers.

NCT02738255
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Varnum mouthpiece
Device
Lead sponsor
David Andrew Wellman
Other
Eligibility
21 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Phase 3 Interventional Results available

Effect on Exercise Endurance and Lung Hyperinflation of Tiotropium + Olodaterol in COPD Patients.

NCT01533935
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Placebo, tiotropium + Olodaterol, Tiotropium, Olodaterol, Respimat
Drug · Device
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years to 75 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
11
States / cities
Phoenix, Arizona • Austell, Georgia • Baltimore, Maryland + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2015 · Synced Jul 22, 2026, 6:02 PM EDT
Completed Not applicable Interventional

A Study for Obstructive Sleep Apnea Using a New At-Home Sleep Test

NCT03049982
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Auto-titrating mandibular positioner test
Device
Lead sponsor
Zephyr Sleep Technologies
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Encino, California
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Jul 22, 2026, 6:02 PM EDT