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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 2, 2026, 6:49 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 148 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Supplemental Oxygen Clear all
Completed Not applicable Interventional Results available

Supplemental Oxygen in Colorectal Surgery: A Quality Improvement Project

NCT01777568
View directory record Official record
Conditions
30% Oxygen Concentration During Colorectal Surgery, 80% Oxygen Concentration During Colorectal Surgery
Interventions
30% oxygen, 80% oxygen
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
5,749 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 4, 2019 · Synced Sep 2, 2026, 6:49 AM EDT
Completed No phase listed Observational

CTTI Risk Factors for HABP/VABP Study

NCT02689531
View directory record Official record
Conditions
Pneumonia, Ventilator-Associated, Pneumonia, Bacterial, Pneumonia, Hospital-Acquired
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
7,530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 2, 2026, 6:49 AM EDT
Terminated Not applicable Interventional Results available

Supplemental Postoperative Oxygen and Wound Infection in Morbidly Obese Patients

NCT00315822
View directory record Official record
Conditions
Surgical Wound Infection
Interventions
80% oxygen, 30% oxygen
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Louisville, Kentucky • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Sep 2, 2026, 6:49 AM EDT
Withdrawn Phase 2 Interventional

iNOPulse for COVID-19

NCT04398290
View directory record Official record
Conditions
COVID-19, Hypoxemia, Hypoxemic Respiratory Failure
Interventions
Inhaled nitric oxide (iNO), Nitrogen gas, Oxygen gas
Drug
Lead sponsor
Roger Alvarez
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Phase 3 Interventional

Canadian Oxygen Trial (COT)

NCT00637169
View directory record Official record
Conditions
Respiratory Insufficiency of Prematurity
Interventions
Titration of oxygen therapy
Other
Lead sponsor
McMaster University
Other
Eligibility
Up to 24 Hours
Enrollment
1,201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
3
States / cities
Stony Brook, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Sep 2, 2026, 6:49 AM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Central Apnea in Heart Failure: Physiological Mechanisms to Inform Treatment

NCT07210606
View directory record Official record
Conditions
Sleep Disordered Breathing, Able Bodied
Interventions
Trazodone + PAP therapy, Oxygen + PAP therapy
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Phase 2 Interventional

Zinc Supplements in Lowering Cadmium Levels in Smokers

NCT00376987
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
zinc oxide
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 120 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 2, 2026, 6:49 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Central Sleep Apnea : Physiologic Mechanisms to Inform Treatment

NCT04118387
View directory record Official record
Conditions
Sleep Disordered Breathing, Able Bodied
Interventions
Acetazolamide + supplemental oxygen + PAP therapy, Zolpidem + PAP therapy, Buspirone + PAP therapy
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 2, 2026, 6:49 AM EDT
Terminated Phase 4 Interventional Results available

Post Anesthesia Emergence and Behavioral Changes in Children Undergoing MRI

NCT02111447
View directory record Official record
Conditions
Delirium on Emergence
Interventions
Propofol, Sevoflurane, Isoflurane
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
2 Years to 12 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Sep 2, 2026, 6:49 AM EDT
Not yet recruiting Not applicable Interventional

Perioperative High-flow Nasal Oxygen in Patients Undergoing Robotic Surgery

NCT07591610
View directory record Official record
Conditions
Robotic Surgery
Interventions
High flow nasal oxygen
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Not applicable Interventional

An Algorithmic Approach to Ventilator Withdrawal at the End of Life

NCT03121391
View directory record Official record
Conditions
Critical Care, Palliative Care
Interventions
Ventilator withdrawal algorithm
Procedure
Lead sponsor
Wayne State University
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
5
States / cities
Detroit, Michigan • Royal Oak, Michigan • Southfield, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Not applicable Interventional

Apneic Oxygenation in the Pediatric Intensive Care Unit

NCT03374046
View directory record Official record
Conditions
Intubation Complication
Interventions
Apneic Oxygenation
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
0 Days to 17 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Phase 3 Interventional

The Effects of Hypercapnia, Supplemental Oxygen, and Dexamethasone on Surgical Wound Infection

NCT00273377
View directory record Official record
Conditions
Surgical Wound Infection, Surgery, Colon
Interventions
Mild intraoperative hypercapnia (50 mmHg vs. 30 mmHg), Supplemental oxygen (80% vs. 30%), Dexamethasone, Placebo
Other · Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
2
States / cities
Louisville, Kentucky • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 28, 2016 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Safety and Efficacy of MSTT1041A (Astegolimab) or UTTR1147A in Patients With Severe COVID-19 Pneumonia

NCT04386616
View directory record Official record
Conditions
COVID-19 Pneumonia
Interventions
MSTT1041A, MSTT1041A-matched Placebo, UTTR1147A, UTTR1147A-matched Placebo
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
24
States / cities
Little Rock, Arkansas • Chula Vista, California • La Mesa, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2022 · Synced Sep 2, 2026, 6:49 AM EDT
Completed No phase listed Observational

Monitoring of Overdose Patients With and Without Supplemental Oxygen in the Emergency Department

NCT02101424
View directory record Official record
Conditions
Overdose
Interventions
Not listed
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Sep 2, 2026, 6:49 AM EDT
Recruiting Not applicable Interventional

Physiologic Effects of Nasal High Flow on Exercise Tolerance in COPD

NCT06578156
View directory record Official record
Conditions
COPD
Interventions
Nasal High Flow Cannula, Nasal Low Flow Cannula
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 100 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of the Breathe Technologies Ventilation System in Subjects With Chronic Obstructive Pulmonary Disease

NCT01372462
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
NIOV - Room Air, NIOV - Oxygen, Nasal Cannula Oxygen
Device
Lead sponsor
Breathe Technologies, Inc.
Industry
Eligibility
40 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Not applicable Interventional Results available

BPD Saturation TARgeting

NCT03385330
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Chronic Lung Disease of Prematurity, Chronic Lung Disease
Interventions
LOWER oxygen saturation target group, HIGHER oxygen saturation target group
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
34 Weeks to 44 Weeks
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Sep 2, 2026, 6:49 AM EDT
Not yet recruiting Not applicable Interventional

MOBoxy: MoblO2 to Maintain Oxygenation

NCT07222592
View directory record Official record
Conditions
COPD, Interstitial Lung Disease
Interventions
MoblO2 control
Device
Lead sponsor
National Jewish Health
Other
Eligibility
25 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 2, 2026, 6:49 AM EDT
Withdrawn Early Phase 1 Interventional

S-Nitrosylation Therapy of COVID-19

NCT04528771
View directory record Official record
Conditions
SARS-CoV2 Infection, Covid19
Interventions
SNO, Nitrogen gas
Drug
Lead sponsor
James Reynolds
Other
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Phase 2 Interventional

Study in Subjects With PAH and PH Secondary to IPF Using Inhaled GeNOsyl.

NCT01265888
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Fibrosis
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Geno LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2016 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Phase 2 Interventional

Heart Biomarker Evaluation in Apnea Treatment

NCT01086800
View directory record Official record
Conditions
Cardiovascular Disease, Obstructive Sleep Apnea, Coronary Artery Disease
Interventions
Healthy Lifestyles and Sleep Education plus PAP, Healthy Lifestyles and Sleep Education plus Supplemental Oxygen, Healthy Lifestyles and Sleep Education
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
45 Years to 75 Years
Enrollment
318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
4
States / cities
Baltimore, Maryland • Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2013 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Not applicable Interventional Results available

Optiflow THRIVE for Delivery of Oxygen to Patients During Total Intravenous Anesthesia While Undergoing Radiology Procedures

NCT04171037
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Oxygen Therapy, Questionnaire Administration, Optiflow THRIVE
Procedure · Other · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Sep 2, 2026, 6:49 AM EDT
Completed Phase 2 Interventional

A Phase II, Randomized, Double-blind, Placebo-controlled Study to Examine the Effects of DAS181 in Immunocompromised Subjects With Lower Respiratory Tract Parainfluenza Infection on Supplemental Oxygen

NCT01644877
View directory record Official record
Conditions
Parainfluenza
Interventions
DAS181 dry powder, formulation F02, Lactose Placebo
Drug
Lead sponsor
Ansun Biopharma, Inc.
Industry
Eligibility
12 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
45
States / cities
Phoenix, Arizona • Duarte, California • Orange, California + 33 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 2, 2026, 6:49 AM EDT