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ClinicalTrials.gov public records Last synced Oct 14, 2026, 1:37 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 217–240 of 4,706 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Signs and Symptoms, Respiratory Clear all
Terminated No phase listed Observational

Effects of Oxygen on Lung Tissue During Anesthesia

NCT00715338
View directory record Official record
Conditions
Lung Injury, Acute
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

OA Therapy for Mouth-breathers Who Snore

NCT04876625
View directory record Official record
Conditions
Snoring, Mouth Breathing, Obstructive Sleep Apnea
Interventions
myTAP oral appliance plus mouth shield, myTAP oral appliance alone for first 4 weeks
Device
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced Oct 14, 2026, 1:37 PM EDT
Completed No phase listed Observational

Endotracheal Tube Audible Leak Test

NCT02461017
View directory record Official record
Conditions
Anesthesia Intubation Complication, Mechanical Ventilation Complication
Interventions
Assess for Audible Endotracheal Leak, Assess for Endotracheal Leak with direct visualization under rigid bronchoscope
Other
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
1 Month to 8 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 14, 2026, 1:37 PM EDT
Terminated Phase 2 Interventional Results available

Pilot Study of Tetomilast in Chronic Obstructive Pulmonary Disease (COPD) Associated With Emphysema

NCT00874497
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
tetomilast, placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
40 Years to 75 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
15
States / cities
Birmingham, Alabama • Torrance, California • Kissimmee, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Oct 14, 2026, 1:37 PM EDT
Terminated Not applicable Interventional Results available

Pilot Study of cNEP for the Treatment of Snoring

NCT02767843
View directory record Official record
Conditions
Snoring
Interventions
continuous negative external pressure (cNEP)
Device
Lead sponsor
Sommetrics, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Alameda, California
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 14, 2026, 1:37 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Impact of NOS, COX, and ROS Inhibition on Cerebral Blood Flow Regulation

NCT03066115
View directory record Official record
Conditions
Hypoxia, Hypercapnia
Interventions
L-NMMA, Ketorolac, Ascorbic Acid, Intravenous Catheter, Transcranial Doppler Ultrasound
Drug · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 10, 2019 · Synced Oct 14, 2026, 1:37 PM EDT
Terminated Not applicable Interventional Results available

Expiratory Muscle Strength Training and Phonation Resistance Training Exercises For Elderly Patients With Vocal Fold Atrophy

NCT03696576
View directory record Official record
Conditions
Voice Disorder, Vocal Cord Atrophy, Presbyphonia
Interventions
EMST, PhoRTE
Device · Behavioral
Lead sponsor
Emory University
Other
Eligibility
65 Years to 95 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Atlanta, Georgia • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 30, 2021 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Synbiotic Therapy for NP-PASC

NCT06620406
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome, Long COVID-19
Interventions
Synbiotic IVS-1, Maltodextrin
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Phase 4 Interventional

PERSPECTIVE: Telithromycin - Acute Exacerbation of Chronic Bronchitis

NCT00132938
View directory record Official record
Conditions
Chronic Bronchitis
Interventions
telithromycin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
35 Years and older
Enrollment
5,660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 8, 2011 · Synced Oct 14, 2026, 1:37 PM EDT
Withdrawn Phase 4 Interventional

Study to Evaluate Recovery From Postoperative Pain After Sleep Apnea Surgery

NCT00380458
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Coblation (radiofrequency-based device)
Device
Lead sponsor
ArthroCare Corporation
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 26, 2015 · Synced Oct 14, 2026, 1:37 PM EDT
Terminated Phase 3 Interventional Results available

Sleep Apnea and Fetal Growth Restriction

NCT04084990
View directory record Official record
Conditions
Obstructive Sleep Apnea, Fetal Growth Restriction, Pregnancy Related
Interventions
S9 VPAP Adapt
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
St Louis, Missouri • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 14, 2026, 1:37 PM EDT
Completed No phase listed Observational

Systems Biology of Diffusion Impairment in Human Immunodeficiency Virus (HIV)

NCT03572335
View directory record Official record
Conditions
HIV Infections, Pulmonary Disease
Interventions
PFT's (pulmonary function testing)
Diagnostic Test
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Phase 2 Interventional Results available

Odiparcil For The Prevention Of Venous Thromboembolism

NCT00244725
View directory record Official record
Conditions
Deep Vein Thrombosis, Fibrillation, Atrial, Venous Thromboembolism, Pulmonary Embolism
Interventions
Odiparcil, Warfarin, Coumadin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
35 Years and older
Enrollment
961 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
46
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Oct 14, 2026, 1:37 PM EDT
Not listed No phase listed Observational

Chronic Obstructive Pulmonary Disease (COPD) Activity: Serotonin Transporter (SERT), Cytokines and Depression (CASCADE Study)

NCT01074515
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
40 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
4
States / cities
San Antonio, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

BYM338 in Chronic Obstructive Pulmonary Disease (COPD) Patients With Cachexia

NCT01669174
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD) With Cachexia
Interventions
Placebo, BYM338
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
40 Years to 80 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
5
States / cities
Torrance, California • Savannah, Georgia • Normal, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated May 3, 2016 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Effects of Sodium Pyruvate Nasal Spray in COVID-19 Long Haulers.

NCT04871815
View directory record Official record
Conditions
Long COVID
Interventions
sodium pyruvate nasal spray
Drug
Lead sponsor
Cellular Sciences, inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 14, 2026, 1:37 PM EDT
Recruiting No phase listed Observational

SYNERGY-AI: Artificial Intelligence Based Precision Oncology Clinical Trial Matching and Registry

NCT03452774
View directory record Official record
Conditions
Cancer, Metastatic, Cancer, Cancer of Pancreas, Cancer of Liver, Cancer of Stomach, Cancer Liver, Cancer of Rectum, Cancer of Kidney, Cancer of Esophagus, Cancer of Cervix, Cancer of Colon, Cancer of Larynx, Cancer, Lung, Cancer, Breast, Cancer, Advanced, Cancer Prostate, Cancer of Neck, Cancer of Skin, Neuroendocrine Tumors, Carcinoma, Mismatch Repair Deficiency, BRCA Gene Rearrangement, Non Hodgkin Lymphoma, Leukemia, Non Small Cell Lung Cancer, Cholangiocarcinoma, Glioblastoma, Central Nervous System Tumor, Melanoma, Urothelial Carcinoma, Bladder Cancer, Ovarian Cancer, Endometrial Cancer, Testicular Cancer, Breast Cancer, COVID, Myelofibrosis, Myeloproliferative Neoplasm, Myeloproliferative Disorders, Follicular Lymphoma, Mantle Cell Lymphoma, Marginal Zone Lymphoma, Myelodysplastic Syndromes
Interventions
Clinical Trial Matching
Other
Lead sponsor
Massive Bio, Inc.
Industry
Eligibility
Not listed
Enrollment
50,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2040
U.S. locations
67
States / cities
Birmingham, Alabama • Mobile, Alabama • Scottsdale, Arizona + 64 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Oct 14, 2026, 1:37 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate the Long-Term Safety of Astegolimab in Participants With Chronic Obstructive Pulmonary Disease (COPD)

NCT05878769
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Astegolimab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
40 Years to 90 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
68
States / cities
Birmingham, Alabama • Dothan, Alabama • Jasper, Alabama + 56 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Results available

Testing the Addition of an Experimental Medication MK-3475 (Pembrolizumab) to Usual Anti-Retroviral Medications in Patients With HIV and Cancer

NCT02595866
View directory record Official record
Conditions
AIDS-Related Non-Hodgkin Lymphoma, Clinical Stage III Cutaneous Melanoma AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Hepatocellular Carcinoma, HIV Infection, Kaposi Sarcoma, Locally Advanced Lung Non-Small Cell Carcinoma, Locally Advanced Malignant Solid Neoplasm, Metastatic Lung Non-Small Cell Carcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Melanoma, Non-Hodgkin Lymphoma, Recurrent Classic Hodgkin Lymphoma, Recurrent Malignant Neoplasm, Refractory Classic Hodgkin Lymphoma, Refractory Malignant Neoplasm, Stage III Lung Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Unresectable Melanoma
Interventions
Antiretroviral Therapy, Biopsy, Biospecimen Collection, Computed Tomography, Pembrolizumab, Positron Emission Tomography
Drug · Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
12
States / cities
Birmingham, Alabama • San Francisco, California • New Haven, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 14, 2026, 1:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Evaluation of Implementation of a National Point-of-Care Ultrasound Training Program

NCT03296280
View directory record Official record
Conditions
Other Acute Illnesses Presenting to the Hospital, Heart Failure, Pneumonia, Deep Venous Thrombosis, Cellulitis, Abdominal Aortic Aneurysm, Acute Cholecystitis, Peritoneal Free Fluid, Hydronephrosis, Pleural Effusion, Urinary Retention
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Oct 14, 2026, 1:37 PM EDT
Completed No phase listed Observational

Longitudinal Evaluation of HIV-associated Lung Disease Phenotypes

NCT02238327
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, HIV, Emphysema
Interventions
blood draw, questionnaires, Lung function testing, Six-Minute walk test, Quantitative CT scans, Nasal secretion and cell collection, Echocardiogram
Procedure · Radiation
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Phase 3 Interventional

Reliability of a Top Mount Actuation Indicator With Levalbuterol MDI in Adult and Pediatric Subjects With Asthma or COPD

NCT00583986
View directory record Official record
Conditions
Asthma, Chronic Obstructive Pulmonary Disease, COPD
Interventions
Levalbuterol HFA MDI with top mounted actuation indicator
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
4 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
26
States / cities
Encinatas, California • Huntington Beach, California • Mesa, California + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2012 · Synced Oct 14, 2026, 1:37 PM EDT
Completed Phase 4 Interventional Results available

Comparing Fluticasone-salmeterol in Chronic Obstructive Pulmonary Disease (COPD) and Sleep

NCT00731770
View directory record Official record
Conditions
COPD
Interventions
Advair 250, Placebo- matched, Placebo, Advair 250 - matched
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
45 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2019 · Synced Oct 14, 2026, 1:37 PM EDT