Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 28, 2026, 1:01 AM EDT

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

Showing 1–24 of 520 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Respiratory function tests Clear all
Completed No phase listed Observational Accepts healthy volunteers

Pulmonary Hypertension, Hypoxia and Sickle Cell Disease

NCT00495638
View directory record Official record
Conditions
Chuvash Polycythemia, Cerebrovascular Disease, Pulmonary Hypertension, Sickle Cell Anemia
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
3 Years to 20 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Chicago, Illinois • Bethesda, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 28, 2026, 1:01 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Diaphragmatic Breathing Coaching on Deep Inspiration Breath Hold Reproducibility and Organ Protection

NCT06747533
View directory record Official record
Conditions
Breathing, Mouth
Interventions
CT simulation
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety Study of Recombinant Adeno-Associated Virus Acid Alpha-Glucosidase to Treat Pompe Disease

NCT00976352
View directory record Official record
Conditions
Pompe Disease
Interventions
rAAV1-CMV-GAA (study agent) Administration, RMST
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
2 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 14, 2018 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Not applicable Interventional

The Effect of OMT on Patients With COPD: Correlating Pulmonary Function Tests With Biochemical Alterations

NCT01582958
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Osteopathic Manipulative Treatment (OMT), sham omt
Procedure · Other
Lead sponsor
Michigan State University
Other
Eligibility
49 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Phase 3 Interventional Results available

RETHINC: REdefining THerapy In Early COPD for the Pulmonary Trials Cooperative

NCT02867761
View directory record Official record
Conditions
COPD (Chronic Obstructive Pulmonary Disease)
Interventions
Indacaterol/Glycopyrrolate, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Oct 28, 2026, 1:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Respiratory Effects of Obesity in Children

NCT03376880
View directory record Official record
Conditions
Childhood Obesity
Interventions
1 year follow-up testing
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
8 Years to 12 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Not applicable Interventional

CDC Prevention Epicenters Wake Up and Breathe Collaborative

NCT01583413
View directory record Official record
Conditions
Ventilator-associated Pneumonia
Interventions
Daily SAT & SBT
Procedure
Lead sponsor
Harvard Pilgrim Health Care
Other
Eligibility
Not listed
Enrollment
3,342 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
5
States / cities
Chicago, Illinois • Salem, Massachusetts • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2013 · Synced Oct 28, 2026, 1:01 AM EDT
Recruiting No phase listed Observational

Quality of Life and Function of Patients With Pelvic Tumors After Undergoing Hemipelvectomy

NCT05134142
View directory record Official record
Conditions
Malignant Primary Pelvic Neoplasm
Interventions
Electronic Health Record Review, Physical Performance Testing, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Not applicable Interventional

Functional Outcomes in CondUction System Pacing and Right Ventricular Synchrony (FOCUS-Right)

NCT06601322
View directory record Official record
Conditions
Left Branch Bundle Block, RV - Right Ventricular Abnormality
Interventions
Pacemaker Interrogation and Electrocardiogram (ECG):, Cardiopulmonary Exercise Test (CPET) and Exercise Stress Cardiac Magnetic Resonance (ExeCMR, Continuous pacemaker telemetry (CPT)
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 28, 2026, 1:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Androgen Deprivation Therapy on Cardiovascular Function in Prostate Cancer

NCT03275181
View directory record Official record
Conditions
Prostate Cancer
Interventions
Transthoracic Echocardiography, Arterial blood pressure, Submaximal Exercise
Diagnostic Test
Lead sponsor
Kansas State University
Other
Eligibility
21 Years to 80 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Salt in Postural Tachycardia Syndrome

NCT01547117
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Blood Volume, Total Blood Volume, Exercise Capacity Test - Bicycle, Posture Study
Radiation · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 50 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Blood Flow and Vascular Function in Cystic Fibrosis

NCT02057458
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Sildenafil (Acute-1 hour), Sildenafil (Subchronic-4 weeks), Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2020 · Synced Oct 28, 2026, 1:01 AM EDT
Withdrawn No phase listed Observational

Test-Retest Reliability of Pulmonary Function Tests in Patients With Duchenne's Muscular Dystrophy

NCT00207857
View directory record Official record
Conditions
Duchenne's Muscular Dystrophy, Scoliosis
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
6 Years to 21 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 4, 2015 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Osteopathic Manipulation on Breathing Mechanics in a Healthy Population: A Randomized Controlled Study

NCT04975542
View directory record Official record
Conditions
Respiratory Function Impaired
Interventions
Osteopathic Manipulative Medicine, Sham
Other
Lead sponsor
Jayla Bostic
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2021 · Synced Oct 28, 2026, 1:01 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Sleep Apnea in Elderly

NCT02703220
View directory record Official record
Conditions
Sleep Apnea, Elderly Adults
Interventions
Hyperoxia/oxygen, Acetazolamide, Finasteride
Other · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Remote Pulmonary Function Testing in Amyotrophic Lateral Sclerosis (Pilot)

NCT03214224
View directory record Official record
Conditions
ALS
Interventions
remote pulmonary function testing, standard pulmonary function testing
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2020 · Synced Oct 28, 2026, 1:01 AM EDT
Terminated Not applicable Interventional Results available

Effect of Noninvasive Ventilation on Lung Function in Amyotrophic Lateral Sclerosis

NCT00537446
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Motor Neuron Disease
Interventions
noninvasive positive pressure ventilation
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 27, 2020 · Synced Oct 28, 2026, 1:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Exercise on Immune Phenotype of Indolent Non-Hodgkin Lymphoma and Chronic Lymphocytic Leukemia Patients

NCT05876923
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma, Indolent Non-hodgkin Lymphoma
Interventions
Biospecimen Collection, Cardiopulmonary Exercise Testing, Dual X-ray Absorptiometry, Electronic Health Record Review, Exercise Intervention, Physical Examination, Questionnaire Administration, Spirometry, Physical Performance Testing, Best Practice
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 28, 2026, 1:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia

NCT07288827
View directory record Official record
Conditions
Primary Ciliary Dyskinesia, Healthy
Interventions
Lung Function Testing, Phlebotomy, Allergy skin prick testing, Methacholine Challenge
Procedure
Lead sponsor
Indiana University
Other
Eligibility
6 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 28, 2026, 1:01 AM EDT
Completed No phase listed Observational

Usefulness of Cardiopulmonary Exercise Testing for Cardiovascular Risk Estimation and Frailty Assessment in Liver Transplant Candidates

NCT04543825
View directory record Official record
Conditions
Cardiovascular Diseases+Liver Transplantation
Interventions
Cardiopulmonary exercise testing
Device
Lead sponsor
Andres Duarte-Rojo
Other
Eligibility
45 Years to 75 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Phoenix, Arizona • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Not applicable Interventional

Platelet Function Analysis in Head Trauma: ASA/Plavix

NCT01534117
View directory record Official record
Conditions
Head Injury Trauma Blunt
Interventions
Platelets, DDAVP
Biological · Drug
Lead sponsor
Chang, Steve S., M.D.
Individual
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Feb 16, 2012 · Synced Oct 28, 2026, 1:01 AM EDT
Recruiting Not applicable Interventional

Improve Dynamic Lateral Balance of Humans With SCI

NCT02991248
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
robotic training, spinal cord electrical stimulation, treadmill
Device
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Oct 28, 2026, 1:01 AM EDT
Completed No phase listed Observational

Close Assessment and Testing for Chronic Graft Versus Host Disease, CATCH Study

NCT04188912
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm
Interventions
Biospecimen Collection, Optical Coherence Tomography, Spirometry, Survey Administration, Digital Photography, Quality-of-Life Assessment, Medical Chart Review
Procedure · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
7
States / cities
Gainesville, Florida • Tampa, Florida • Bethesda, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 28, 2026, 1:01 AM EDT
Completed Phase 1 Interventional

Hyperhidrosis in Patients With Amputations-Botox

NCT03236012
View directory record Official record
Conditions
Hyperhidrosis
Interventions
Botulinum Toxin Type A (Botox)
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Oct 28, 2026, 1:01 AM EDT