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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: water immersion Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Wearable Focused Ultrasound Stimulation for Peripheral Nerve Pain Management

NCT07160049
View directory record Official record
Conditions
Pain Management, Peripheral Neuropathic Pain
Interventions
Cold Pressor Task - Upper Limb, Algometry Pain Tests in the Upper Limb, Algometry Pain Tests in the Lower Limb
Device
Lead sponsor
Evan (Huiliang) Wang
Other
Eligibility
20 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional

The Impact of Simulated Forest Immersion Therapy on Pain and Anxiety in Patients Axial Spondyloarthritis (axSpA)

NCT06072859
View directory record Official record
Conditions
Axial Spondyloarthritis
Interventions
Humidified Forest Oils, Forest oils and audio-visual forest exposure
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Cold Water Immersion Modulates Reinforcing Effects of Nitrous Oxide - 2

NCT00000250
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
0% N2O, 40% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 32 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1993 – 1995
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional

Comparing the ADR With Air Insufflation, Water Immersion and Water Exchange During Two-endoscopist Colonoscopy

NCT02737514
View directory record Official record
Conditions
Adenoma
Interventions
Air insufflation, water immersion, water exchange
Procedure
Lead sponsor
Dalin Tzu Chi General Hospital
Other
Eligibility
20 Years to 80 Years
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
North Hills, California
Source: ClinicalTrials.gov public record
Updated May 28, 2020 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cooling Strategies for Older Adults in the Heat

NCT06349616
View directory record Official record
Conditions
Aging
Interventions
Intermittent cold-water hand and forearm immersion, No intermittent cold-water hand and forearm immersion
Other
Lead sponsor
Penn State University
Other
Eligibility
65 Years to 100 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional

U-POEM vs CO2-POEM

NCT06918730
View directory record Official record
Conditions
Esophageal Motility Disorders
Interventions
U-POEM, CO2-POEM
Procedure
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pain Effect on Attention Using an Ipad Game App

NCT03115788
View directory record Official record
Conditions
Cognitive Function
Interventions
Heat induced pain, Cold Induced Pain, iPad
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Sep 28, 2026, 8:15 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Puberty, Sex Hormones and Pain Sensitivity in Adolescents With Migraine

NCT05738213
View directory record Official record
Conditions
Migraine
Interventions
Thermal stimuli, Pressure stimuli, Pain ratings, Pressure pain thresholds (PPT), Conditioned pain modulation (CPM) response, PedMIDAS (Pediatric Migraine Disability Assessment), Hormonal assessment, Pubertal status
Device · Behavioral · Diagnostic Test + 1 more
Lead sponsor
Washington University School of Medicine
Other
Eligibility
11 Years to 15 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cold Water Exposure and Immune Function Study

NCT06667479
View directory record Official record
Conditions
Cold Water Immersion, Immune Function, Muscular Strength, Mental Health
Interventions
Cold Water Immersion (CWI) - Cold Tub Immersion (CI), Cold Water Immersion (CWI) - Cold Shower (CS), Control Group (CO)
Other
Lead sponsor
University of Northern Colorado
Other
Eligibility
18 Years to 45 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Greeley, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Prevention and Treatment of Immersion Pulmonary Edema

NCT00815646
View directory record Official record
Conditions
Immersion Pulmonary Edema (IPE), Swimming Induced Pulmonary Edema (SIPE)
Interventions
Sildenafil
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 25, 2016 · Synced Sep 28, 2026, 8:15 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Endometriosis and Migraine

NCT06785129
View directory record Official record
Conditions
Migraine, Endometriosis
Interventions
Thermal stimuli, Pressure stimuli, Pain ratings, Conditioned pain modulation (CPM) response, Hormonal assessment
Device · Behavioral · Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
12 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 28, 2026, 8:15 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Cold Water Exposure's Effects on Physical and Mental Health

NCT06667193
View directory record Official record
Conditions
Cold Exposure
Interventions
Cold Water Immersion (CWI) - Cold Tub Immersion (CI), Cold Water Immersion (CWI) - Cold Shower (CS)
Other
Lead sponsor
University of Northern Colorado
Other
Eligibility
18 Years to 45 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Greeley, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Twice Daily Versus Twice Weekly Soak-and-Seal Baths in Pediatric Atopic Dermatitis

NCT03397979
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Infrequent versus Frequent Soaking Baths
Behavioral
Lead sponsor
MaineHealth
Other
Eligibility
6 Months to 11 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Sep 28, 2026, 8:15 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Ultrasound for Healthy Aging

NCT07168525
View directory record Official record
Conditions
Aging
Interventions
Ultrasound spa, Sham ultrasound spa
Device · Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
70 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced Sep 28, 2026, 8:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

High-frequency-ultrasound Annular Arrays for Ophthalmic Imaging

NCT00633854
View directory record Official record
Conditions
Posterior Vitreous Detachment
Interventions
Ultrasound examination
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
60 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional

Comparison of Methods to Distend the Colon During Insertion: CO2, Air Insufflation, Water-aided Colonoscopy

NCT01954862
View directory record Official record
Conditions
Pain, Colorectal Adenomas, Colorectal Cancer
Interventions
Air Insufflation method., CO2 insufflation, Water Immersion/CO2, Water Exchange/CO2, Water Immersion/AI, Water Exchange/AI
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 85 Years
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2014 · Synced Sep 28, 2026, 8:15 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Thermodynamic Exposure and Sleep in Military Cadets

NCT07201935
View directory record Official record
Conditions
Cold-water Immersion, High Heat Sauna, Combination of Cold-water Immersion and High Heat Sauna
Interventions
Cold Water Immersion, High Heat Sauna
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of Water Immersion Colonoscopy Insertion Technique

NCT00671177
View directory record Official record
Conditions
Colonoscopy, Digestive System, Endoscopy, Gastrointestinal Disease
Interventions
water immersion colonoscopy, standard air colonoscopy
Procedure
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years and older · Male only
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2017 · Synced Sep 28, 2026, 8:15 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cardiovascular Function and Response to Stimulation Within the First Year After Spinal Cord Injury

NCT06841198
View directory record Official record
Conditions
Spinal Cord Injuries (SCI), Orthostatic Hypotension, Dysautonomic, Cardiovascular, Transcutaneous Spinal Stimulation
Interventions
spinal cord transcutaneous stimulation, Ice testing
Device · Procedure
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional

Study to Warm Up and Cool Down Recreationally Active Males Using Different Protocols.

NCT06874023
View directory record Official record
Conditions
Heat Acclimation and Thermotolerance
Interventions
Passive heating in hot conditions, Active heating + passive heating in hot conditions, Active heating in hot conditions, Active heating at room temperature, Cool vest, Damp neck towel combined with arm cool water immersion, Combination of cooling interventions, Control in thermoneutral room without cooling
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Sep 28, 2026, 8:15 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Exploring Pain Modulation With TMS and Repeated Pain Conditioning in Healthy Individuals

NCT06726018
View directory record Official record
Conditions
Healthy Adult
Interventions
Conditioned Pain Modulation (CPM)
Behavioral
Lead sponsor
Priyanka Rana, PT, MPT, PhD
Other
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pain Modulatory Profiles in Stretching

NCT05891353
View directory record Official record
Conditions
Healthy
Interventions
Cold Water Immersion, Pain Inducing Stretch, Pain Free Stretch
Other
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2024 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional

An Immersion Intervention for Symptoms of PTSD in Student Veterans

NCT05309031
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Water Immersion
Other
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 55 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated May 12, 2024 · Synced Sep 28, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Influence of Race and MitoQ Supplementation on Skin Blood Flow in the Cold

NCT06784531
View directory record Official record
Conditions
Cold Exposure
Interventions
Mitoquinone mesylate (MitoQ), Placebo, Cold Water Hand Immersion, Cold Air Exposure
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 40 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 28, 2026, 8:15 PM EDT