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ClinicalTrials.gov public records Last synced Oct 2, 2026, 6:59 PM EDT

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Showing 49–72 of 153 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Mouth Breathing Clear all
Completed Phase 4 Interventional Accepts healthy volunteers

Efficacy of Prophylactic Treatment of Oral Prochlorperazine for Acute Mountain Sickness

NCT06310642
View directory record Official record
Conditions
AMS, Acute Mountain Sickness
Interventions
Immediate descent from altitude., Diphenhydramine, Prochlorperazine 10 mg
Other · Drug
Lead sponsor
CHRISTUS Health
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Oct 2, 2026, 6:59 PM EDT
Terminated Phase 2 Interventional

Cholecalciferol Supplementation in Strengthening Inspiratory Muscles in Cholecalciferol-Deficient Patients With Chronic Obstructive Pulmonary Disease

NCT02877641
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Muscle Weakness
Interventions
Cholecalciferol, Laboratory Biomarker Analysis, Multivitamin, Placebo, Questionnaire Administration
Dietary Supplement · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Oct 2, 2026, 6:59 PM EDT
Terminated Not applicable Interventional

Severe OSA Study (SOS)

NCT05445869
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleep Apnea
Interventions
ProSomnus® EVO Sleep and Snore Device
Device
Lead sponsor
ProSomnus Sleep Technologies
Industry
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
5
States / cities
Redwood City, California • Boston, Massachusetts • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Oct 2, 2026, 6:59 PM EDT
Recruiting No phase listed Observational

Nasal vs Oral Breathing in Drug Induced Sleep vs Natural Sleep

NCT06789770
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 3 Interventional Results available

A Randomized, Double-Blind, 4-way Crossover Study to Evaluate the Efficacy of of 24 Hour Spirometry Profiles of Inhaled BI 1744 CL and Inhaled Tiotropium Bromide in Patients With Chronic Obstructive Pulmonary Disease

NCT01040728
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Olodaterol (BI1744) Low, Olodaterol (BI1744) High, Tiotropium 18 mcg, Placebo (for Olodaterol (BI1744)l), Placebo (for Tiotropium)
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
3
States / cities
Jasper, Alabama • Clearwater, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 30, 2014 · Synced Oct 2, 2026, 6:59 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

PatientSpot Formerly Known as ArthritisPower

NCT03840928
View directory record Official record
Conditions
Rheumatoid Arthritis, Ankylosing Spondylitis, Fibromyalgia, Gout, Crohn Disease, Juvenile Idiopathic Arthritis, Lupus Erythematosus, Myositis, Osteoarthritis, Osteoporosis, Psoriasis, Psoriatic Arthritis, Scleroderma, Dermatomyositis, Inflammatory Bowel Diseases, Polymyositis, Axial Spondyloarthritis, Diffuse Idiopathic Skeletal Hyperostosis, Polymyalgia Rheumatica, Giant Cell Arteritis, Temporal Arteritis, Wegener, Relapsing Polychondritis, Undifferentiated Connective Tissue Disease, Spinal Cord Injuries, Alzheimer Disease, Amyotrophic Lateral Sclerosis, Ataxia, Bell Palsy, Brain Tumor, Cerebral Aneurysm, Epilepsy, Guillain-Barre Syndrome, Headache, Head Injury, Hydrocephalus, Lumbar Disc Disease, Meningitis, Multiple Sclerosis, Muscular Dystrophy, Neurocutaneous Syndromes, Parkinson Disease, Stroke, Cluster Headache, Tension-Type Headache, Chronic Obstructive Pulmonary Disease, Asthma, Lung Cancer, Cystic Fibrosis, Sleep Apnea, Eczema, Alopecia, Chronic Inflammation, Unstable Angina, Heart Attack, Heart Failure, Arrythmia, Valve Heart Disease, High Blood Pressure, Congenital Heart Disease, Peripheral Arterial Disease, Diabetes, Chronic Liver Disease, Obesity
Interventions
Not listed
Lead sponsor
Global Healthy Living Foundation
Other
Eligibility
19 Years and older
Enrollment
40,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2025
U.S. locations
1
States / cities
Upper Nyack, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety of 4 Weeks Treatment With Inhaled BI 1744 CL in Patients With COPD.

NCT00452400
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Asthma
Interventions
BI 1744CL
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
409 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
22
States / cities
Birmingham, Alabama • Lakewood, California • Denver, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2014 · Synced Oct 2, 2026, 6:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Lake Nona Life Project

NCT02533804
View directory record Official record
Conditions
Health Behavior, Quality of Life, Aging
Interventions
Not listed
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 110 Years
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Dec 6, 2024 · Synced Oct 2, 2026, 6:59 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 26, 2016 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Efficacy and Safety of Benralizumab in Reducing Oral Corticosteroid Use in Adult Patients With Severe Asthma

NCT03557307
View directory record Official record
Conditions
Asthma
Interventions
Benralizumab
Biological
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
598 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
23
States / cities
Flagstaff, Arizona • Los Angeles, California • Aurora, Colorado + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced Oct 2, 2026, 6:59 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 9, 2018 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 3 Interventional Results available

Characterization of 24-hour Lung Function Profiles of Inhaled Tiotropium + Olodaterol Fixed Dose Combination in Patients Suffering From Chronic Obstructive Pulmonary Disease

NCT01559116
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
tiotropium + olodaterol, tiotropium, olodaterol, Placebo, Respimat
Drug · Device
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
4
States / cities
Jasper, Alabama • Easley, South Carolina • Greenville, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2015 · Synced Oct 2, 2026, 6:59 PM EDT
Recruiting Phase 2 Interventional

Study to Examine the Effect of Silicone Mouth Tape on Snoring and Mild Sleep Apnea.

NCT06587256
View directory record Official record
Conditions
Mild Obstructive Sleep Apnea, Snoring
Interventions
Mouth Tape
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Compare Two Dose Strengths of CVT-301 (Levodopa Inhalation Powder) With an Oral Dose of Sinemet® (Carbidopa-levodopa) Tablets

NCT02812394
View directory record Official record
Conditions
Parkinson Disease
Interventions
CVT-301 (Dose Level 1), CVT-301 (Dose Level 2), Sinemet®
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
25 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and PK Parameters of Sodium Nitrite Inhalation Solution in Healthy Subjects

NCT01409122
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension
Interventions
15 mg sodium nitrite inhalation solution, 90 mg sodium nitrite inhalation solution, 45 mg sodium nitrite inhalation solution, 120 mg sodium nitrite inhalation solution, 25% MTD sodium nitrite inhalation solution
Drug
Lead sponsor
Aires Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 56 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 9, 2012 · Synced Oct 2, 2026, 6:59 PM EDT
Terminated Phase 3 Interventional Results available

Management of Recurrent Croup

NCT01748162
View directory record Official record
Conditions
Croup
Interventions
Fluticasone, Prednisolone IF needed
Drug
Lead sponsor
University of Michigan
Other
Eligibility
6 Months to 15 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Not applicable Interventional Results available

Chlorhexidine Gluconate Oral Care for Adults Experiencing Trauma

NCT01382446
View directory record Official record
Conditions
Ventilator Associated Pneumonia
Interventions
Chlorhexidine gluconate, Toothpaste
Drug · Other
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 6, 2017 · Synced Oct 2, 2026, 6:59 PM EDT
Recruiting Not applicable Interventional

Frequent Standardized Oral Care Using Human Milk in the Neonatal Intensive Care Unit

NCT06000761
View directory record Official record
Conditions
Ventilator Associated Pneumonia, Bronchopulmonary Dysplasia, Respiratory Disease
Interventions
Standardized oral Care
Procedure
Lead sponsor
University of Florida
Other
Eligibility
1 Hour to 3 Days
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacodynamic Study to Compare Acute Effects of Dihydroergotamine Mesylate (DHE) on Pulmonary Arterial Pressure

NCT01089062
View directory record Official record
Conditions
Healthy
Interventions
MAP0004, IV Placebo (Saline), Placebo Inhaler, IV Dihydroergotamine Mesylate (DHE)
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 9, 2014 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 4 Interventional

A Clinical Trial Comparing Short-Term Efficacy and Safety of Exubera and Lantus

NCT00367445
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Inhaled Human Insulin (Exubera), Insulin Glargine (Lantus)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2008 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Phase 2 Interventional Results available

Study of Oral Ibrutinib Capsules to Assess Respiratory Failure in Adult Participants With Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) and Pulmonary Injury

NCT04375397
View directory record Official record
Conditions
CoronaVirus Induced Disease-2019 (COVID-19)
Interventions
Ibrutinib, Placebo
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
9
States / cities
Stanford, California • Washington D.C., District of Columbia • Ft. Pierce, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Oct 2, 2026, 6:59 PM EDT
Completed No phase listed Observational

Evaluating Deep Breathing in Health Participants Using a Device Called Impulse Oscillometry

NCT05085795
View directory record Official record
Conditions
Breathing, Mouth, Lung Function Decreased
Interventions
Impulse Oscillometer
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
20 participants
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Oct 2, 2026, 6:59 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 16, 2021 · Synced Oct 2, 2026, 6:59 PM EDT
Completed Not applicable Interventional Results available

Simple Non-invasive Breathing Device to Improve Pulmonary Flow Pusatility in Single Ventricle Post Fontan

NCT05634226
View directory record Official record
Conditions
Single-ventricle
Interventions
Hands-free oral-positive pressure device (oPEP)
Device
Lead sponsor
Tarek Alsaied
Other
Eligibility
8 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 2, 2026, 6:59 PM EDT