Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 10, 2026, 12:09 AM EDT

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Showing 1–24 of 170 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Tiotropium, Salmeterol
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
50 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2003
U.S. locations
2
States / cities
Hines, Illinois • Richmond, Virginia
Conditions
Persistent Fetal Circulation Syndrome, Hypertension, Pulmonary, of Newborn, Persistent, Persistent Pulmonary Hypertension of Newborn
Interventions
Inhaled nitric oxide, Nitrogen Gas, Crossover iNO
Drug
Lead sponsor
University of Florida
Other
Eligibility
30 Minutes to 48 Hours
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Prolonged Hypoxic Breathing in Healthy Volunteers: a Safety Study

NCT02860975
Conditions
Healthy Volunteers
Interventions
Inhaled Nitrogen
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Cystic Fibrosis
Interventions
End tidal CO2 (EtCO2), Transcutaneous CO2 (TCO2), Capillary CO2 (CapCO2), Arterial blood gas (ABG)
Other · Device · Diagnostic Test
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Not listed
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Electrical Stimulation of Human Myocytes in Microgravity

NCT03665051
Conditions
Sarcopenia
Interventions
Muscle Tissue Biopsy, Maximal Oxygen Consumption (V02max)
Procedure · Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
20 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Prostate Cancer
Interventions
white button mushroom extract, flow cytometry, immunologic technique, laboratory biomarker analysis, gas chromatography-mass spectrometry, pharmacological study
Drug · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
2
States / cities
Duarte, California • South Pasadena, California
Conditions
Cardiac Arrest
Interventions
Continuous SjO2 monitoring with a PediaSat Oximetry Catheter, Intermittent SjO2 monitoring with a PediaSat Oximetry Catheter
Device · Diagnostic Test
Lead sponsor
Byron Drumheller
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

EmbracePlus SpO2 Accuracy Validation

NCT04964609
Conditions
Oximetry
Interventions
EmbracePlus
Device
Lead sponsor
Empatica, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Francisco, California
Conditions
Pulmonary Embolism, Pulmonary Embolism Subacute Massive
Interventions
inhaled nitric oxide (iNO)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Completed No phase listed Observational Accepts healthy volunteers

Dysfunctional Hemoglobin CO-ox

NCT02427685
Conditions
Elevated Levels of Carboxyhemoglobin
Interventions
Pulse Co-Ox
Device
Lead sponsor
Nonin Medical, Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
San Francisco, California
Conditions
Acute Kidney Injury
Interventions
Conservative dialysis strategy, TIW dialysis strategy
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

An Exploratory Investigation of a Supplement to Promote Gut Health

NCT05831527
Conditions
Gastrointestinal Symptoms, Exercise Performance
Interventions
ARMRA™ Bovine Colostrum
Drug
Lead sponsor
Armra
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Santa Monica, California
Completed Phase 2 Interventional Accepts healthy volunteers

Accuracy of the O2 MedTech PMS-3000 Monitor

NCT01418079
Conditions
Healthy
Interventions
O2 MedTech cerebral oximeter (Oxygen desaturation)
Device
Lead sponsor
O2 MedTech, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Recruiting No phase listed Observational Accepts healthy volunteers

Exercise and Carotid Artery Function in Metabolic Syndrome

NCT07430839
Conditions
Metabolic Syndrome
Interventions
exercise, Diagnostics, Inhaled CO2-mixed air
Behavioral · Diagnostic Test · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

Pulse Oximeter Test

NCT03569163
Conditions
Hypoxia
Interventions
Spry Loop oximeter
Device
Lead sponsor
Spry Health
Industry
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
San Francisco, California
Conditions
Osteosarcoma, Ewing Sarcoma, Rhabdomyosarcoma, Relapsed Pediatric Solid Tumor, Refractory Pediatric Solid Tumor, Melanoma, Hepatoblastoma, Hepatocellular Carcinoma, Neuroblastoma, Wilms Tumor
Interventions
Cryoablation Therapy, Nivolumab, Ipilimumab
Procedure · Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
1 Year to 39 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Study of Ice Application to Reduce Pain From Arterial Punctures

NCT02065115
Conditions
Vessel Puncture Site Pain
Interventions
Cryotherapy (ice pack)
Other
Lead sponsor
St. Joseph Hospital, New Hampshire
Other
Eligibility
18 Years to 100 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Nashua, New Hampshire
Completed Phase 1 Interventional

Nitrite Infusion Studies

NCT00102271
Conditions
Healthy
Interventions
Oxypurinol, Sodium Nitrite
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 40 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Resectable Lung Non-Small Cell Carcinoma
Interventions
Biospecimen Collection, Proton Beam Radiation Therapy, Radiology, Treatment Planning
Procedure · Radiation · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Respiratory Distress Syndrome
Interventions
Not listed
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
1 Day to 30 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Urinary Tract Infections
Interventions
Expanded Urinary Culture, Standard Urine Culture (SUC)
Diagnostic Test
Lead sponsor
Loyola University
Other
Eligibility
18 Years and older · Female only
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Maywood, Illinois
Conditions
Respiratory Distress Syndrome, Newborn, Respiratory Distress Syndrome in Premature Infant
Interventions
Lung ultrasound
Diagnostic Test
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
27 Weeks to 34 Weeks
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Hackensack, New Jersey
Conditions
Anaplastic Astrocytoma, Anaplastic Oligoastrocytoma, Anaplastic Oligodendroglioma, Diffuse Astrocytoma, Glioma, Oligoastrocytoma, Oligodendroglioma, WHO Grade 3 Glioma
Interventions
Biospecimen Collection, Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration, Temozolomide
Procedure · Radiation · Other + 1 more
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2031
U.S. locations
34
States / cities
Birmingham, Alabama • Boca Raton, Florida • Miami, Florida + 27 more
Conditions
Suicidal Ideation, Major Depressive Disorder, Treatment Resistant Depression
Interventions
Nitrous oxide gas for inhalation, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Chicago, Illinois