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Showing 1–24 of 373 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Effects of Glutathione on Immunity in Individuals Training for a Marathon

NCT03725241
View directory record Official record
Conditions
Healthy
Interventions
Glutathione Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of North Texas, Denton, TX
Other
Eligibility
19 Years to 45 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 3 Interventional

The Role of Angiotensin Type I Receptor in the Regulation of Human Coronary Vascular Function

NCT00001629
View directory record Official record
Conditions
Atherosclerosis, Heart Failure, Congestive, Hypertension, Myocardial Infarction
Interventions
Angiotensin II type 1 receptor antagonists
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Not applicable Interventional Results available

Study of Count Coughs in Subjects With Acute Upper Respiratory Tract Infections

NCT01062256
View directory record Official record
Conditions
Infection
Interventions
Placebo, Guaifenesin, Buckwheat Honey
Drug · Other
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
2
States / cities
Indianapolis, Indiana • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 24, 2013 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immunogenicity of a Human Parainfluenza Type 3 (HPIV3) Virus Vaccine in Infants and Children

NCT01254175
View directory record Official record
Conditions
Parainfluenza Virus 3, Human
Interventions
rHPIV3cp45 Vaccine, Placebo Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 36 Months
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
7
States / cities
Long Beach, California • San Diego, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 3 Interventional

CHIlled Platelet Study "CHIPS"

NCT04834414
View directory record Official record
Conditions
Acute Blood Loss
Interventions
Cold Stored Platelets, Room Temperature Platelets
Biological
Lead sponsor
Philip Spinella
Other
Eligibility
0 Days to 84 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
25
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 18, 2026, 12:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Water Temperature on the Cold Pressor Test

NCT03083626
View directory record Official record
Conditions
Chronic Pain
Interventions
Cold pressor test
Other
Lead sponsor
Georgetown University
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Sep 18, 2026, 12:59 PM EDT
Not yet recruiting Phase 4 Interventional

Epoprostenol Plus Conventional Therapy in COld and Frostbite Injury (ECCO)

NCT07424378
View directory record Official record
Conditions
Frostbite
Interventions
Standard of care plus Epoprostenol infusion for 8 hours (hrs) per day up to 5 days maximum, Standard of Care + Placebo (Normal Saline)infusion for 8 hours per day up to 5 days maximum
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of 7 Days of Grape Seed Extract Supplementation on Cold Pressor Test and Muscle Metaboreflex in Individuals With Elevated and Stage 1 Hypertension

NCT06428890
View directory record Official record
Conditions
Prehypertension
Interventions
Grape Seed Extract, Placebo
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 2 Interventional Results available

Cold Stored Platelet in Hemorrhagic Shock

NCT04667468
View directory record Official record
Conditions
Trauma, Hemorrhage
Interventions
Cold Stored Platelets (CSP), Standard Care
Biological
Lead sponsor
Jason Sperry
Other
Eligibility
15 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • Jackson, Mississippi + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 3 Interventional Results available

The Prevalence of Local Immunoglobulin E (IgE) Elevation and Its Effect on Intranasal Capsaicin Therapy in the Non-allergic Rhinitis Population

NCT05093478
View directory record Official record
Conditions
Non-allergic Rhinitis
Interventions
Intranasal capsaicin, topical lidocaine
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Not applicable Interventional

Cold Liquids Fed to Preterm Infants: Efficacy and Safety After 10 Minutes of Exposure

NCT02935946
View directory record Official record
Conditions
Deglutition Disorders, Respiratory Aspiration
Interventions
Cold Liquid Barium
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
36 Weeks to 43 Weeks
Enrollment
4,043 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 2 Interventional

The Effect of Ruboxistaurin on Small Fiber Function

NCT00190970
View directory record Official record
Conditions
Diabetic Neuropathy
Interventions
Ruboxistaurin
Drug
Lead sponsor
Chromaderm, Inc.
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 25, 2016 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Transfer Factor to Prevent Upper Respiratory Tract Infections in Healthy Adults

NCT01106183
View directory record Official record
Conditions
Upper Respiratory Tract Infections Due to Influenza or Rhinovirus
Interventions
transfer factor, Placebo
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 40 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Not applicable Interventional Results available

Procalcitonin Antibiotic Consensus Trial (ProACT)

NCT02130986
View directory record Official record
Conditions
Lower Respiratory Tract Infection (LRTI)
Interventions
Procalcitonin level, Results of procalcitonin (PCT) level to treating clinician, Provide procalcitonin guideline to treating clinician, Telephone Visit
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
1,664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • Orange, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 18, 2026, 12:59 PM EDT
Not listed Not applicable Interventional

Using a Cold Atmospheric Plasma Device to Treat Skin Disorders

NCT02759900
View directory record Official record
Conditions
Actinic Keratosis, Acne/Rosacea, Verruca Plana, Tinea, Molluscum Contagiosum, Bowen's Disease, Warts
Interventions
Non-thermal, atmospheric plasma to treat skin lesions and acne, Indirect non-thermal, atmospheric plasma to treat hair loss and acne
Device
Lead sponsor
The Skin Center Dermatology Group
Industry
Eligibility
4 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
New City, New York
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Trial to Evaluate the Efficacy and Safety of RSVpreF in Infants Born to Women Vaccinated During Pregnancy.

NCT04424316
View directory record Official record
Conditions
Respiratory Tract Infection
Interventions
RSVpreF, Placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
0 Years to 49 Years · Female only
Enrollment
14,727 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
363
States / cities
Birmingham, Alabama • Cullman, Alabama • Mobile, Alabama + 137 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 18, 2026, 12:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Gas Supply, Demand and Middle Ear Gas Balance: Specific Aim 2

NCT00694421
View directory record Official record
Conditions
Upper Respiratory Infection
Interventions
Not listed
Lead sponsor
Cuneyt M. Alper
Other
Eligibility
2 Years to 54 Years
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

MIrabegron and Physiological Function in Cold Environments

NCT05990387
View directory record Official record
Conditions
Resting Energy Expenditure, Thermogenesis, Brown Adipose Tissue
Interventions
Mirabegron, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Sep 18, 2026, 12:59 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Cold Apheresis Platelets in PAS

NCT02754414
View directory record Official record
Conditions
Platelet Transfusion
Interventions
Apheresis platelet collection, Refrigerated storage of apheresis platelets in PAS/plasma, Infusion of aliquot of autologous radiolabeled platelets, In vitro tests
Procedure · Other · Radiation
Lead sponsor
Bloodworks
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 13, 2018 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Cold Water Immersion on Recovery and Performance in NCAA Division I Athletes

NCT06565468
View directory record Official record
Conditions
Recovery, Physiological, Athletic Performance
Interventions
Cold water immersion pool.
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Echinacea, Propolis and Vitamin C for URI Prevention in Preschoolers

NCT00231218
View directory record Official record
Conditions
Common Cold, Gastroenteritis
Interventions
dietary supplement--echinacea, propolis, and vitamin c
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
3 Years to 6 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 13, 2006 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Oxytocin on Cold Water Task Performance and Recovery

NCT04738838
View directory record Official record
Conditions
Cold Exposure
Interventions
Oxytocin nasal spray, Placebo nasal spray
Drug
Lead sponsor
Florida Institute for Human and Machine Cognition
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Gainesville, Florida • Pensacola, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 18, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cold Water Immersion Stirring in Hyperthermic Individuals

NCT04613843
View directory record Official record
Conditions
Hyperthermia
Interventions
Water Stirring, No Water Stirring
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 39 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 18, 2026, 12:59 PM EDT
Terminated Phase 3 Interventional Results available

Canakinumab to Treat Neonatal-Onset Multisystem Inflammatory Disease

NCT00770601
View directory record Official record
Conditions
NOMID, CINCA Syndrome
Interventions
Canakinumab
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
2 Years to 25 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 18, 2026, 12:59 PM EDT