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ClinicalTrials.gov public records Last synced Oct 28, 2026, 6:14 AM EDT

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Showing 73–96 of 520 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Respiratory function tests Clear all
Completed Phase 3 Interventional

US Inhaled Insulin Dose Titration Study

NCT00246623
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Exubera (inhaled insulin), 8-point glucose diary (to assess pre- and post prandial glucoses), Meal Tolerance Test, 24-hour continuous glucose monitoring (at select sites), Pulmonary Function Testing, Hypoglycemic Event Monitoring, Laboratory Assessments, Nutritional Counseling and Diabetes Education
Drug · Procedure · Behavioral
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • New Britain, Connecticut + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2008 · Synced Oct 28, 2026, 6:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Alesis OSA-1 Obstructive Sleep Apnea Treatment

NCT06949969
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
OSA LLLT treatment device, Sham Comparator
Device
Lead sponsor
Photonica USA, LLC
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Miami, Florida • Miramar, Florida
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 28, 2026, 6:14 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

Lenalidomide Combined With Modified DA-EPOCH and Rituximab (EPOCH-R2) in Primary Effusion Lymphoma or KSHV-associated Large Cell Lymphoma

NCT02911142
View directory record Official record
Conditions
Primary Effusion Lymphoma, B-Cell Neoplasm
Interventions
Lenalidomide, Rituximab, Prednisone, Etoposide, Doxorubicin, Vincristine, Cyclophosphamide, CT of neck, chest, abdomen and pelvis, 18FDG-PET scan, MRI Brain, Bone marrow biopsy, EKG, Echocardiogram, Ultrasound, Bronchoscopy, Endoscopy, CXR: PA/lat/decub
Drug · Diagnostic Test · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 28, 2026, 6:14 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Impact of Gestational Diabetes Mellitus on Cerebral Blood Flow and Cerebrovascular Function After Pregnancy

NCT06911372
View directory record Official record
Conditions
Gestational Diabetes Mellitus (GDM), Postpartum Women, Uncomplicated Pregnancy
Interventions
Intradermal Microdialysis, Brain Blood Flow Tests, Local Heating
Drug · Other
Lead sponsor
Anna Stanhewicz, PhD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 28, 2026, 6:14 AM EDT
Not listed Not applicable Interventional

Correlation of CO2 Measured by Blood Gas vs Transcutaneous Monitor

NCT03268395
View directory record Official record
Conditions
Respiratory Complication
Interventions
Arterial Blood Gas and Transcutaneous CO2 Monitor
Diagnostic Test
Lead sponsor
Memorial Health University Medical Center
Other
Eligibility
Not listed
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Oct 28, 2026, 6:14 AM EDT
Completed No phase listed Observational

Thenar Tissue Oxygen Concentration (StO2): A Non-invasive Surrogate for Central Venous Oxygen Saturation (ScvO2)

NCT02476630
View directory record Official record
Conditions
Oxygen Concentration Levels
Interventions
StO2 measurement, Blood Gases
Device · Other
Lead sponsor
University of Florida
Other
Eligibility
1 Month to 21 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2018 · Synced Oct 28, 2026, 6:14 AM EDT
Completed No phase listed Observational

The CARDIO-TTRansform Scintigraphy Sub-study

NCT06073587
View directory record Official record
Conditions
Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR-CM)
Interventions
Scintigraphy scan
Diagnostic Test
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
4
States / cities
New York, New York • Durham, North Carolina • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 28, 2026, 6:14 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Effects of Bevespi on Ventilation and Gas Exchange Abnormalities in COPD Assessed by 129Xe MRI

NCT03324607
View directory record Official record
Conditions
COPD
Interventions
hyperpolarized 129Xe gas MRI, Bevespi Aerosphere
Drug
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
40 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 28, 2026, 6:14 AM EDT
Completed No phase listed Observational

Novel Lung Imaging in Adults Undergoing Radiation Therapy to Assess for Radiation Pneumonitis

NCT02735746
View directory record Official record
Conditions
Lung Cancer, Breast Cancer, Mediastinum Lesion, Radiation Pneumonitis
Interventions
4D Computed Tomography (CT), Cone Beam CT, Low-dose Cinefluorography, Pulmonary Function Tests
Radiation · Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 28, 2026, 6:14 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Lung Disease and Its Affect on the Work of White Blood Cells in the Lungs

NCT01851642
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency, AAT Deficiency, AATD, Cystic Fibrosis (CF)
Interventions
History and physical exam., Blood draw., Pulmonary function testing., Albuterol inhaler.
Procedure · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2033
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Oct 28, 2026, 6:14 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Mental Stress & Diesel Exhaust on Cardiovascular Health

NCT03467997
View directory record Official record
Conditions
Blood Pressure, Inflammation, Catecholamines
Interventions
Trier social stress test, Diesel exhaust
Behavioral · Other
Lead sponsor
University of Washington
Other
Eligibility
22 Years to 49 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced Oct 28, 2026, 6:14 AM EDT
Recruiting Not applicable Interventional

Community-Based Exercise and Nutrition Training and Education Program for Cancer Survivors

NCT06565260
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions
Exercise Intervention, Medical Device Usage and Evaluation, Nutritional Intervention, Physical Performance Testing, Questionnaire Administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 28, 2026, 6:14 AM EDT
Completed No phase listed Observational

The Study Of CT Scans and Echo Parameters in Patients With PAH

NCT00625963
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2013 · Synced Oct 28, 2026, 6:14 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers Results available

Allogeneic Hematopoietic Cell Transplantation for Disorders of T-cell Proliferation and/or Dysregulation

NCT03663933
View directory record Official record
Conditions
Lymphoproliferative Disorders, Autoimmune Lymphoproliferative, Primary T-cell Immunodeficiency Disorders, Immune System Diseases, Common Variable Immunodeficiency
Interventions
e-ATG, Immunosuppression Only Conditioning, Reduced Intensity Conditioning, GVHD Prophylaxis, Allogeneic HSC, Bisulfan, Prednisone, Cyclophosphamide, MMF, Mesna, Tacrolimus, Pentostatin, PFTs, DEXA, Bone Marrow Aspirate & Biopsy, EKG, 2D ECHO
Drug · Procedure · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
4 Years and older
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2030
U.S. locations
2
States / cities
Bethesda, Maryland • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 28, 2026, 6:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Supplemental Oxygen on Memory Testing in Healthy Adult Volunteers

NCT06555484
View directory record Official record
Conditions
Cognition
Interventions
Cross Over Assignment Supplemental Oxygen and Supplemental Air
Device
Lead sponsor
Inogen Inc.
Industry
Eligibility
22 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Oct 28, 2026, 6:14 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Coagulation/Complement Activation and Cerebral Hypoperfusion in Relapsing-remitting Multiple Sclerosis

NCT04380220
View directory record Official record
Conditions
Multiple Sclerosis, Relapse
Interventions
Blood samples and processing
Diagnostic Test
Lead sponsor
Regina Elena Cancer Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2020 · Synced Oct 28, 2026, 6:14 AM EDT
Active, not recruiting Not applicable Interventional

The TRIABETES - ARMMS-T2D Study: A Randomized Trial to Compare Surgical and Medical Treatments for Type 2 Diabetes

NCT01047735
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass Surgery, Laparoscopic Adjustable Gastric Banding, Lifestyle Weight Loss Intervention
Procedure · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 28, 2026, 6:14 AM EDT
Recruiting No phase listed Observational

LOTUS-CC: An Observational Research Study to Uncover Subtypes of Cancer Cachexia

NCT06073431
View directory record Official record
Conditions
Advanced Colorectal Carcinoma, Advanced Lung Non-Small Cell Carcinoma, Advanced Pancreatic Adenocarcinoma, Stage IV Colorectal Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IV Pancreatic Cancer AJCC v8, Unresectable Colorectal Carcinoma, Unresectable Lung Non-Small Cell Carcinoma, Unresectable Pancreatic Adenocarcinoma
Interventions
Biospecimen Collection, Computed Tomography, Electronic Health Record Review, Medical Device Usage and Evaluation, Physical Performance Testing, Positron Emission Tomography, Survey Administration
Procedure · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
225
States / cities
Fort Smith, Arkansas • Aurora, Colorado • Boulder, Colorado + 160 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 28, 2026, 6:14 AM EDT
Completed Phase 1 Interventional

Quantifying the Presence of Lung Disease and Pulmonary Hypertension in Children With Sickle Cell Disease

NCT01895998
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Albuterol
Drug
Lead sponsor
Duke University
Other
Eligibility
5 Years to 12 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Oct 28, 2026, 6:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Integrative-omics of the Disordered COPD Small Airway Epithelium

NCT02183818
View directory record Official record
Conditions
Smoking, COPD
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 100 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 28, 2026, 6:14 AM EDT
Completed No phase listed Observational

Respiratory-Swallow Coordination in Cardiothoracic Surgical Patients

NCT05173207
View directory record Official record
Conditions
Thoracic Diseases, Cardiovascular Diseases
Interventions
Videofluoroscopic swallow exam with concurrent monitoring of respiratory-swallow coordination
Diagnostic Test
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Oct 28, 2026, 6:14 AM EDT
Completed Early Phase 1 Interventional Results available

Assessment of Dystussia in Traumatic Brain Injury

NCT02240329
View directory record Official record
Conditions
TBI, Brain Injury
Interventions
Neuropsychological Testing and Measures of TBI severity, Respiratory measures, Capsaicin cough sensitivity testing
Behavioral · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 28, 2015 · Synced Oct 28, 2026, 6:14 AM EDT
Completed No phase listed Observational Results available

Effect of Alveolar Minute Ventilation on Respiratory Gas Heat Content

NCT01943227
View directory record Official record
Conditions
Ventilation Perfusion Mismatch
Interventions
controlled positive pressure ventilation 9ml/kg tidal volume, controlled positive pressure ventilation 6ml/kg tidal volume
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Oct 28, 2026, 6:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Tiotropium on Breathing Capacity and Exercise Limitation in Early Stages of Chronic Obstructive Pulmonary Disease

NCT01072396
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Tiotropium, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
11
States / cities
Birmingham, Alabama • Jasper, Alabama • Torrance, California + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 24, 2013 · Synced Oct 28, 2026, 6:14 AM EDT