Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 29, 2026, 12:50 PM EDT

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Showing 49–72 of 108 matching trials from the live ClinicalTrials.gov search.
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
Gastrointestinal Injury, Acute Mountain Sickness
Interventions
FP, Placebo, High altitude, Sea level
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Natick, Massachusetts
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
Completed Phase 1 Interventional Accepts healthy volunteers

Sickness Evaluation at Altitude With Acetazolamide at Relative Doses

NCT03828474
Conditions
Acute Mountain Sickness
Interventions
Acetazolamide Pill
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Bishop, California
Conditions
Upper Resp Tract Infection
Interventions
TEM-PCR URI Panel, SOC/Empiric Diagnosis
Diagnostic Test · Other
Lead sponsor
Diatherix Laboratories, LLC
Industry
Eligibility
65 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Athens, Alabama • Huntsville, Alabama
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
Active, not recruiting Not applicable Interventional

tVNS in Long COVID-19

NCT06585254
Conditions
Long COVID, Chronic Fatigue Syndrome
Interventions
Transcutaneous vagus nerve stimulator
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Acute Respiratory Failure
Interventions
IV amino acids, In-bed cycle ergometry exercise
Drug · Device
Lead sponsor
Clinical Evaluation Research Unit at Kingston General Hospital
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
7
States / cities
Lexington, Kentucky • Baltimore, Maryland • The Bronx, New York + 4 more
Conditions
Acute Respiratory Failure
Interventions
Smaller endotracheal tube, Larger endotracheal tube
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
3,180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
7
States / cities
Birmingham, Alabama • Denver, Colorado • Minneapolis, Minnesota + 3 more
Conditions
Cough
Interventions
CRP point of care testing
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Kansas City, Missouri
Conditions
Intensive Care Unit Survivors, Informal Caregivers (Family and Friends)
Interventions
coping skills training, education program
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
417 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
4
States / cities
Chapel Hill, North Carolina • Durham, North Carolina • Pittsburgh, Pennsylvania + 1 more
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Mesenchymal Stem Cells for the Treatment of Various Chronic and Acute Conditions

NCT04684602
Conditions
Autoimmune Diseases, Cardiovascular Disorders, Diabetes Complications, Integumentary Disease, Musculoskeletal Disorders, Neurodegenerative Disorders, Neurologic Disorders, Pulmonary Disorders, Sexual Dysfunction, Urologic Disorders, Viral Illness
Interventions
PrimePro™/ PrimeMSK™
Biological
Lead sponsor
Thomas Advanced Medical LLC
Industry
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Culver City, California
Conditions
Respiratory Disease, Acute Respiratory Infection, Respiratory Infection, Upper Respiratory Infection
Interventions
Online Tutorial, Webinars, Booster Sessions, Feedback Reports, Parent Survey
Other
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
6 Months to 10 Years
Enrollment
2,728 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
20
States / cities
Paragould, Arkansas • Eureka, California • Durango, Colorado + 16 more
Conditions
COVID-19
Interventions
PF-07321332, Ritonavir, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
2,091 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
73
States / cities
Pelham, Alabama • Mesa, Arizona • Tucson, Arizona + 46 more
Conditions
COVID-19
Interventions
Convalescent plasma
Biological
Lead sponsor
Hamilton Health Sciences Corporation
Other
Eligibility
16 Years and older
Enrollment
940 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Brooklyn, New York • New York, New York
Conditions
Acute Respiratory Failure, Critical Illness, Sepsis, Hypoxia, Hypercapnia
Interventions
ICU-SUCCEED, Augmented Usual Care
Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Influenza, Influenza -Like Illness
Interventions
Norketotifen, Placebo
Drug
Lead sponsor
Emergo Therapeutics, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • DeBary, Florida + 15 more
Conditions
Acute Mountain Sickness
Interventions
Acetazolamide
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Stanford, California
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
COVID-19, Burnout, Burnout, Professional, Work-related Illness, Work-Related Stress, SARS-CoV-2 Infection
Interventions
Positive Affect Regulation sKills (PARK)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
555 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Acute Mountain Sickness (AMS)
Interventions
T89 capsule, Placebo capsule
Drug
Lead sponsor
Tasly Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Recruiting Not applicable Interventional

Care for Veterans Post-COVID-19

NCT05787379
Conditions
Post-Acute COVID-19 Syndrome
Interventions
Concordant Care Training, Education Packet Training
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
East Orange, New Jersey
Completed Phase 4 Interventional Results available

Randomized Trial of Sedative Choice for Intubation

NCT05277896
Conditions
Acute Respiratory Failure
Interventions
Ketamine, Etomidate
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
6
States / cities
Birmingham, Alabama • Aurora, Colorado • Denver, Colorado + 3 more
Conditions
Healthy
Interventions
SARS-CoV-2/Influenza/RSV RT-PCR
Diagnostic Test
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
9,151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana