Independent directory Public ClinicalTrials.gov records United States
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 22, 2026, 8:40 AM EDT

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

Showing 169–192 of 610 matching trials from the live ClinicalTrials.gov search.
Not listed Not applicable Interventional Accepts healthy volunteers

The Effects of a Nitrate Supplementation on Erectile Function

NCT06213077
Conditions
Erectile Dysfunction
Interventions
Nitric Oxide, Tadalafil, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
RHA Investments Ltd
Industry
Eligibility
40 Years to 65 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charlotte, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Exercise in Health and Chronic Obstructive Pulmonary Disease

NCT02300064
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Knee-extensor exercise test, Exercise test with restricting/releasing blood flow, Exercise test with variable oxygen concentration and MRI, Exercise test with oral antioxidant or placebo cocktail
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Emphysema
Interventions
Spiration Valve System, Medical Management
Device · Other
Lead sponsor
Olympus Corporation of the Americas
Industry
Eligibility
40 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
32
States / cities
Fort Smith, Arkansas • Riverside, California • San Diego, California + 28 more
Conditions
Adolescent Idiopathic Scoliosis
Interventions
Long-term outcomes
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
30 Years to 99 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
UMEC/VI Inhalation Powder 62.5/25 mcg via NDPI, FSC Inhalation Powder 250/50 mcg via ACCUHALER/DISKUS, Placebo DISKUS, Placebo NDPI
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
15
States / cities
Tucson, Arizona • Newport Beach, California • Riverside, California + 12 more
Conditions
Cystic Fibrosis
Interventions
HFCWC with higher pressure/variable-frequency settings, HFCWC with lower pressure/mid-frequency settings
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
No intervention
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
1,084 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
57
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 51 more
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Breast Carcinoma, Breast Inflammatory Carcinoma, Locally Recurrent Breast Carcinoma
Interventions
Exercise Intervention, Educational Intervention, Supportive Care, Biospecimen Collection, Magnetic Resonance Imaging, Questionnaire Administration, Accelerometry, Electronic Health Record Review, Cardiopulmonary Exercise Testing
Other · Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
Winston-Salem, North Carolina • Richmond, Virginia
Conditions
Colorectal Surgery, Hepatobiliary Surgery
Interventions
Standard Enhanced Recovery After Surgery (ERAS) Protocol, ERAS and 5 Lung Protective Interventions
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Pulmonary Arterial Hypertension
Interventions
Ambrisentan plus Spironolactone, Ambrisentan plus Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Trastuzumab Cardiotoxicity, HER2-Positive Breast Cancer Survivors
Interventions
2D Echocardiogram, Cardiopulmonary exercise testing and post-CPET cardiac function
Device
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Asthma
Interventions
MEDI3506, Placebo
Biological · Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
9
States / cities
Bakersfield, California • Los Angeles, California • Newport Beach, California + 6 more
Conditions
Parkinson's Disease
Interventions
Cranial Electric Stimulation (CES), Treadmill, CES and Treadmill
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Rheumatoid Arthritis, Interstitial Lung Disease
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
45 Years to 90 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
Nintedanib, Placebo, Sildenafil
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
17
States / cities
Birmingham, Alabama • Stamford, Connecticut • Jacksonville, Florida + 13 more
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
Conditions
Cystic Fibrosis
Interventions
Self-Regulated Exercise with Telephone Reinforcement, Standard Treatment, Qualitative Approach
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
10 Years to 18 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Recruiting Not applicable Interventional Accepts healthy volunteers

Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia

NCT07288827
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
Conditions
Pulmonary Embolism, Chronic Thromboembolic Pulmonary Hypertension
Interventions
SEARCH algorithm
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
8
States / cities
Fresno, California • Irvine, California • Los Angeles, California + 5 more
Conditions
Cystic Fibrosis in Children
Interventions
Infant PFT, Lung Clearance Index, Passive tidal breathing
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
1 Month to 5 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Asthma, Lung Function Decreased, Food Allergy, Allergic Sensitisation, Allergic Rhinitis, COPD, Atopy
Interventions
Dietary intake of various nutrients, foods and biocompounds
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 75 Years
Enrollment
3,500 participants
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Oropharyngeal Dysphagia
Interventions
3-ounce water swallow test, Kayser-Jones Brief Oral Health Status Examination (BOHSE), Tongue pressure, Test of Masticating and Swallowing Solids (TOMASS), Respiratory function tests
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Abdominal Surgery
Interventions
MIR Spirobank G, ZEPHYRx®, Conventional spirometer
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Recurrent Multiple Myeloma, Refractory Multiple Myeloma
Interventions
Accelerometry, Aerobic Exercise, Biospecimen Collection, Electronic Health Record Review, Exercise Counseling, Internet-Based Intervention, Interview, Physical Performance Testing, Resistance Training, Survey Administration, Tailored Intervention
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota