Search | Clinical Trials Finder

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 Nov 15, 2026, 6:38 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 121–144 of 319 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Respiratory Illness Clear all

Conditions: Intensive Care Unit, Muscle Weakness
Interventions: Neuromuscular Electrostimulation (NMES) CareStim Muscle Stimulation Device (Care Rehab; McLean, VA), Sham; Device
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years and older
Enrollment: 36 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2013
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Critical Illness, Frailty, Palliative Care
Interventions: Palliative Care Consultation, Usual Care; Behavioral · Other
Lead sponsor: Columbia University; Other
Eligibility: 50 Years and older
Enrollment: 66 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: New York, New York

Conditions: Altitude, Hypoxia, Environmental Sleep Disorder
Interventions: altitude exposure in hypobaric chamber; Procedure
Lead sponsor: Oklahoma State University Center for Health Sciences; Other
Eligibility: 30 Years to 60 Years · Male only
Enrollment: 34 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2007
U.S. locations: 1
States / cities: Tulsa, Oklahoma

Conditions: Acute Respiratory Distress Syndrome, Cardiac Failure, Extracorporeal Membrane Oxygenation Complication, Respiratory Failure, Renal Failure, Critical Illness, Pulmonary Disease
Interventions: Ventilator; Device
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years and older
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2023
U.S. locations: 1
States / cities: La Jolla, California

Conditions: Acute Respiratory Infection, Influenza-like Illness
Interventions: Nasal swab, Indoor air quality monitor; Diagnostic Test · Device
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 4 Years and older
Enrollment: 840 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Critical Illness
Interventions: Oral Care; Behavioral
Lead sponsor: National Institutes of Health Clinical Center (CC); NIH
Eligibility: 18 Years and older
Enrollment: 800 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2011
U.S. locations: 5
States / cities: Washington D.C., District of Columbia • Bethesda, Maryland • Fairfax, Virginia + 1 more

Conditions: Critical Illness, Sepsis, Respiratory Failure, Shock, Coma, Bleeding, Trauma
Interventions: Patient Centered Cloud-based Electronic System: Ambient Warning and Response Evaluation; Other
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Enrollment: 7,813 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2017
U.S. locations: 6
States / cities: Scottsdale, Arizona • Jacksonville, Florida • Lawrence, Massachusetts + 3 more

Conditions: Influenza
Interventions: Nitazoxanide, Placebo; Drug
Lead sponsor: Romark Laboratories L.C.; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 79 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010
U.S. locations: 1
States / cities: Elmira, New York

Conditions: Hypoxemia, Altitude Hypoxia
Interventions: Continuous positive airway pressure, Ambient air; Device
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 18 Years to 70 Years
Enrollment: 25 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023
U.S. locations: 1
States / cities: Denver, Colorado

Conditions: COVID19
Interventions: Diagnostic Software as Medical Device; Diagnostic Test
Lead sponsor: AudibleHealth AI, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 1,126 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022
U.S. locations: 1
States / cities: Tampa, Florida

Conditions: Respiratory Failure, Respiratory Distress Syndrome, Adult, Critical Illness, Pulmonary Disease, Ventilator-Induced Lung Injury
Interventions: Electrical Impedance tomography, Lung mechanics and gas exchange; Device · Other
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years and older
Enrollment: 16 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2023
U.S. locations: 1
States / cities: La Jolla, California

Conditions: Vaccine Hesitancy
Interventions: EHR alert, Motivational Interviewing, Warm hand off to nurse; Other · Behavioral
Lead sponsor: Boston College; Other
Eligibility: 18 Years and older
Enrollment: 3,698 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2025
U.S. locations: 2
States / cities: Boston, Massachusetts

Conditions: Respiratory Tract Infections, Covid19, Flu Like Illness
Interventions: Vitamin D supplementation; Dietary Supplement
Lead sponsor: Cooper Norcross Health; Other
Eligibility: 18 Years and older
Enrollment: 877 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2023
U.S. locations: 1
States / cities: Camden, New Jersey

Conditions: Lower Respiratory Tract Illness
Interventions: RSVpreF, Placebo; Biological
Lead sponsor: Pfizer; Industry
Eligibility: 60 Years and older
Enrollment: 38,861 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2027
U.S. locations: 176
States / cities: Birmingham, Alabama • Huntsville, Alabama • Glendale, Arizona + 119 more

Conditions: Injury of Diaphragm, Mechanical Ventilation Complication, Critical Illness
Interventions: Ultrasound; Diagnostic Test
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 18 Years and older
Enrollment: 75 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2016
U.S. locations: 1
States / cities: Winston-Salem, North Carolina

Conditions: Acute Respiratory Failure
Interventions: Video Laryngoscope, Direct Laryngoscope; Other
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 1,420 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022
U.S. locations: 12
States / cities: Birmingham, Alabama • Aurora, Colorado • Denver, Colorado + 9 more

Conditions: Cancer, Congestive Heart Failure, Chronic Obstructive Pulmonary Disease
Interventions: Life completion and preparation, Attention Control; Other
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 18 Years and older
Enrollment: 36 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2009
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: PTSD, Signs and Symptoms, Respiratory
Interventions: Relaxation Response Resiliency Program (3RP), Health Enhancement Program (HEP); Behavioral
Lead sponsor: Stony Brook University; Other
Eligibility: 18 Years and older
Enrollment: 157 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2016
U.S. locations: 1
States / cities: Stony Brook, New York

Conditions: Influenza A H3N2, Influenza A H1N1
Interventions: FLU-IGIV, Placebo for FLU-IGIV; Biological · Other
Lead sponsor: Emergent BioSolutions; Industry
Eligibility: 18 Years and older
Enrollment: 65 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2019
U.S. locations: 42
States / cities: Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 34 more

Conditions: High Altitude Pulmonary Edema
Interventions: Acetazolamide, Placebo; Drug
Lead sponsor: Vincent Kan; Other
Eligibility: 18 Years and older
Enrollment: 18 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018
U.S. locations: 1
States / cities: Worcester, Massachusetts

Conditions: Sore-throat, Common Cold
Interventions: Beekeeper's Propolis Throat Spray, Placebo Throat Spray; Dietary Supplement
Lead sponsor: Beekeeper's Naturals Inc; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Las Vegas, Nevada

Conditions: Covid19, Sequelae of; Infection, Cognitive Symptom
Interventions: Niagen; Drug
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 65 Years
Enrollment: 72 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2024
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Influenza
Interventions: Trivalent inactivated influenza vaccine High Dose, Trivalent inactivated influenza vaccine; Biological
Lead sponsor: Sanofi; Industry
Eligibility: 65 Years and older
Enrollment: 9,172 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2012
U.S. locations: 96
States / cities: Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 86 more

Conditions: COVID-19, Critical Illness, ICU Acquired Weakness, PICS, Cardiorespiratory Fitness
Interventions: REmotely monitored, Mobile health supported Multidomain Rehabilitation Program with High Intensity Interval Training (REMM-HIIT); Behavioral
Lead sponsor: Duke University; Other
Eligibility: 18 Years and older
Enrollment: 120 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2027
U.S. locations: 5
States / cities: Birmingham, Alabama • Lexington, Kentucky • Durham, North Carolina + 2 more

Search by objective public record fields.

Use of Neuromuscular Electrostimulation (NMES) for Treatment or Prevention of ICU-Associated Weakness

Post-ICU Palliative Care Intervention (PIPCI) Trial

Effects of Mild Hypobaric Hypoxia on Sleep and Post-sleep Performance

Biomarkers, Genomics, Physiology in Critically Ill and ECMO Patients

ORCHARDS-AIR Study

Oral Care to Reduce Mouth and Throat Infections in Critically Ill Patients

Patient Centered Cloud-based Electronic System: Ambient Warning and Response Evaluation (ProCCESs AWARE)

Study of Nitazoxanide in Adults With Acute Uncomplicated Influenza

Effects of Continuous Positive Airway Pressure on Peripheral Oxygen Saturation, Work of Breathing, and Exercise Tolerance at Altitude

Evaluation of the AudibleHealth Dx AI/ML-Based Dx SaMD Using FCV-SDS in the Diagnosis of COVID-19 Illness

Ventilation and Perfusion in the Respiratory System

Motivational Interviewing for Vaccine Uptake in Latinx Adults

Vitamin D3 Supplementation to Prevent Respiratory Tract Infections

Study to Evaluate the Efficacy, Immunogenicity, and Safety of RSVpreF in Adults.

Using Ultrasound to Study Respiratory Muscle Function in Critically Ill Patients

DirEct Versus VIdeo LaryngosCopE Trial

Outlook Quality of Life Intervention

Stress Management Program for World Trade Center (WTC) Responders

Exploring Safety & Clinical Benefit of Anti-Influenza Immunoglobulin Intravenous in Hospitalized Adults With Influenza A

Effect of Acetazolamide on Subclinical High-Altitude Pulmonary Edema Detected by Lung Ultrasonography

A Randomized, Triple-blind, Placebo-controlled Study to Evaluate the Effects of a Throat Spray on the Incidence and Duration of Sickness

Clinical Trial of Niagen to Examine Recovery in People With Persistent Cognitive and Physical Symptoms After COVID-19

Multi-Year Study of Fluzone High-Dose Influenza Vaccine Compared With Fluzone® Vaccine in Adults Aged 65 Years and Older

REmotely Monitored, Mobile Health Supported Multidomain Rehabilitation Program With High Intensity Interval Training for COVID-19