Search | Clinical Trials Finder

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ClinicalTrials.gov public records Last synced Nov 15, 2026, 6:48 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 145–168 of 319 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Respiratory Illness Clear all

Conditions: Gulf War Syndrome, Persian Gulf Syndrome, Mitochondrial Disorder, Respiratory Chain
Interventions: PharmaNord Bio-Quinone Active CoQ10 Gold 100mg, PharmaNord Placebo; Drug
Lead sponsor: University of California, San Diego; Other
Eligibility: 50 Years and older
Enrollment: 192 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2027
U.S. locations: 1
States / cities: La Jolla, California

Conditions: Anxiety Disorders, Trauma, Generalized Anxiety Disorder, Panic Disorder, Agoraphobia, Illness Anxiety Disorder, Social Anxiety Disorder, Posttraumatic Stress Disorder, Acute Stress Disorder, Adjustment Disorder With Anxious Mood
Interventions: Capnometry-Guided Respiratory Intervention, Psycho-Education; Device · Behavioral
Lead sponsor: University of Texas at Austin; Other
Eligibility: 18 Years and older
Enrollment: 180 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2027
U.S. locations: 1
States / cities: Austin, Texas

Conditions: Trauma, Critical Illness, Oxygen Toxicity
Interventions: Targeted Normoxia (oxygen saturation 90-96%), Usual Care Oxygenation; Other
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 18 Years to 109 Years
Enrollment: 572 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2022
U.S. locations: 1
States / cities: Aurora, Colorado

Conditions: COPD, Severe or Very Severe Airflow Obstruction and/or Receiving or Eligible to Receive Long-term Oxygen Therapy, Idiopathic Pulmonary Fibrosis, Other Interstitial Lung Disease Without Curative Therapy, Congestive Heart Failure, NYHA Class IV or NYHA Class III Plus 1 Hospitalization in the Past Year, Malignancy, Any Stage 3B or 4 Solid Tumor
Interventions: Comfort Default AD forms, Life Extension Default AD forms, Standard Default AD forms; Other
Lead sponsor: Corporal Michael J. Crescenz VA Medical Center; Federal
Eligibility: 18 Years and older
Enrollment: 62 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2015
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Cancer, Congestive Heart Failure (CHF), Chronic Obstructive Pulmonary Disease (COPD), End Stage Renal Disease (ESRD)
Interventions: Life Completion, Attention Control; Other
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 18 Years to 95 Years
Enrollment: 221 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2014
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Respiratory Pathogens, Upper Respiratory Tract Illness, Lower Respiratory Tract Illness, Acute Respiratory Infection
Interventions: Results available to provider; Diagnostic Test
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 1 Month to 18 Years
Enrollment: 913 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Aurora, Colorado

Conditions: Heart Failure, Chronic Obstructive Pulmonary Disease
Interventions: Music Therapy; Behavioral
Lead sponsor: Samuel Rodgers-Melnick; Other
Eligibility: 30 Years to 89 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Long COVID Fatigue
Interventions: Ketogenic Metabolic Therapy, Lifestyle Intervention; Other · Behavioral
Lead sponsor: National University of Natural Medicine; Other
Eligibility: 18 Years and older
Enrollment: 11 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Influenza
Interventions: Cell culture-derived influenza vaccine, Egg-derived influenza virus vaccine, Placebo; Biological
Lead sponsor: Novartis Vaccines; Industry
Eligibility: 18 Years to 49 Years
Enrollment: 11,404 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2008
U.S. locations: 17
States / cities: Denver, Colorado • Pembroke Pines, Florida • South Miami, Florida + 13 more

Conditions: Respiratory Infections, Acute
Interventions: Not listed
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Eligibility: 65 Years and older
Enrollment: 3,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2006
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Chronic Critical Illness, Prolonged Mechanical Ventilation
Interventions: Not listed
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 18 Years and older
Enrollment: 589 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2021
U.S. locations: 6
States / cities: Denver, Colorado • The Bronx, New York • Chapel Hill, North Carolina + 3 more

Conditions: Acute Respiratory Distress Syndrome, Critical Illness, Critical Care
Interventions: cycle ergometry; Device
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 55 Years and older
Enrollment: 24 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2021
U.S. locations: 1
States / cities: Winston-Salem, North Carolina

Conditions: ARDS, Critical Illness, Acute Respiratory Distress Syndrome, Acute Respiratory Failure
Interventions: Default order set, Physician-targeted accountable justification, Respiratory therapist (RT)-targeted accountable justification; Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years to 99 Years
Enrollment: 7,342 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2023
U.S. locations: 5
States / cities: Plainsboro, New Jersey • Philadelphia, Pennsylvania • West Chester, Pennsylvania

Conditions: Acute Respiratory Failure
Interventions: Hyperangulated video laryngoscope blade, Standard geometry video laryngoscope blade; Other
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 2,500 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 19
States / cities: Birmingham, Alabama • Los Angeles, California • Stanford, California + 15 more

Conditions: Atrial Fibrillation, Atrial Flutter, Heart Block, Pulmonary Embolism and Thrombosis, Mitral Valve Repair, Sinus Node Dysfunction, Bradycardia, Brady-tachy Syndrome
Interventions: Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES, Figure 8 Suture - LARGE-BORE PROCEDURES; Device · Other
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 18 Years and older
Enrollment: 107 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2023
U.S. locations: 1
States / cities: Milwaukee, Wisconsin

Conditions: Prematurity, Symptomatic Respiratory Disease, Bronchopulmonary Dysplasia
Interventions: Not listed
Lead sponsor: University of Rochester; Other
Eligibility: Up to 7 Days
Enrollment: 277 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2015
U.S. locations: 2
States / cities: Buffalo, New York • Rochester, New York

Conditions: Respiratory Failure, Critical Illness
Interventions: Environmental modification; Behavioral
Lead sponsor: University of Iowa; Other
Eligibility: 18 Years and older
Enrollment: 25 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2001 – 2008
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Asthma, Lung Diseases
Interventions: Inhaled Corticosteroid (Budesonide), Leukotriene Receptor Antagonist (Montelukast Sodium), Inhaled Albuterol; Drug
Lead sponsor: National Heart, Lung, and Blood Institute (NHLBI); NIH
Eligibility: 12 Months to 59 Months
Enrollment: 238 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2006
U.S. locations: 6
States / cities: Tucson, Arizona • La Jolla, California • Denver, Colorado + 3 more

Conditions: Critical Illness, Hypoxia, Respiratory Failure
Interventions: End-tidal oxygen monitor; Device
Lead sponsor: Sydney Local Health District; Government
Eligibility: 18 Years and older
Enrollment: 1,400 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 3
States / cities: Minneapolis, Minnesota • Albuquerque, New Mexico • The Bronx, New York

Conditions: Effects of High Altitude, Hypoxia, Inadequate or Impaired Breathing Pattern or Ventilation, Abnormal Blood Oxygen Pressure
Interventions: NAC, Placebo; Drug
Lead sponsor: United States Army Research Institute of Environmental Medicine; Federal
Eligibility: 18 Years to 39 Years
Enrollment: 21 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2013
U.S. locations: 1
States / cities: Natick, Massachusetts

Conditions: Influenza, Virus
Interventions: Not listed
Lead sponsor: Scripps Translational Science Institute; Other
Eligibility: 18 Years and older
Enrollment: 100,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2025
U.S. locations: 1
States / cities: San Diego, California

Conditions: Respiratory Illness
Interventions: Secondhand Smoke Reduction and Smoking Cessation Counseling, Asthma Education; Behavioral
Lead sponsor: University of Rochester; Other
Eligibility: Not listed
Enrollment: 165 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2015
U.S. locations: 1
States / cities: Rochester, New York

Conditions: Asthma in Children
Interventions: Inulin; Drug
Lead sponsor: Phoenix Children's Hospital; Other
Eligibility: 6 Years to 17 Years
Enrollment: 105 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: Phoenix, Arizona

Conditions: Transient Hypothyroxinemia, Infant, Newborn
Interventions: Not listed
Lead sponsor: Christiana Care Health Services; Other
Eligibility: Up to 6 Days
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006
U.S. locations: 1
States / cities: Newark, Delaware

Search by objective public record fields.

Coenzyme Q10 for Gulf War Illness: A Replication Study

Respiratory Training in the Treatment of Transdiagnostic Pathological Anxiety

Pilot Study of Targeted Normoxia in Critically Ill Trauma Patients

Study of Default Options in Advance Directives

Outlook Quality of Life Intervention Study

The RAPID Trial: Assessing Point-of-care Influenza and Other Respiratory Virus Diagnostics

Music Therapy to Address Patients' Journeys With Chronic Illness, Outcomes, and Readmission - MAJOR CHORD RCT

Fully Remote, Telehealth-based Ketogenic Metabolic Therapy for Long COVID

Efficacy Study of Two Influenza Vaccines and Placebo in Healthy Adult Subjects

Acute Viral Respiratory Infections in Elderly

Prediction of Functional Outcomes From Chronic Critical Illness

A Study Promoting Critical Illness Recovery in the Elderly

Implementation of Nudges to Promote Utilization of Low Tidal Volume Ventilation (INPUT) Study

Hyperangulated Versus Standard Geometry Laryngoscope Blade Trial

Suture Closure AFtEr VEIN Access for Cardiac Procedures (SAFE-VEIN) Trial

Functional and Lymphocytic Markers of Respiratory Morbidity in Hyperoxic Preemies

Sleep and Circadian Rhythms in Mechanically Ventilated Patients

Childhood Asthma Research and Education (CARE) Network Trial - Acute Intervention Management Strategies (AIMS)

End-Tidal Oxygen for Intubation in the Emergency Department

Induced Changes in Ventilatory Responsiveness and Altitude Exposure

The DETECT(Digital Engagement & Tracking for Early Control, & Treatment) Study

NICU Asthma Education and Secondhand Smoke Reduction Study

A Clinical Trial of Soluble Fiber for Asthma

Thyroid Function in Term Infants With Respiratory Distress