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

Kefir Versus Milk on Time-Trial Performance in Masters Athletes

NCT06165523
View directory record Official record
Conditions
Gastrointestinal Complication, Exercise Performance, Aerobic Endurance
Interventions
Water, Flavored Kefir, Flavored Milk
Other
Lead sponsor
Lindenwood University
Other
Eligibility
40 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 10, 2023 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate Pharmacokinetics of Single Oral Doses of Formulated and Non-Formulated CC-122, and Food Effect Study

NCT02049528
View directory record Official record
Conditions
Clinical Pharmacology, Healthy Male Volunteer Study
Interventions
CC-122
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Nov 11, 2019 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Food Effect Study on the Bioavailability and PK of PA-824 Tablets in Healthy Adult Subjects

NCT01828827
View directory record Official record
Conditions
Tuberculosis
Interventions
PA-824 1000 mg
Drug
Lead sponsor
Global Alliance for TB Drug Development
Other
Eligibility
19 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Water Up@ At Home: An Intervention to Replace Sugary Drinks With Water

NCT05159622
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Water Up! at Home
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Sep 26, 2026, 1:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

weSIPsmarter: Evaluating a Digital Health Intervention Aimed at Reducing Sugary Drinks Among Rural Head Start Preschoolers and Their Parents

NCT07046351
View directory record Official record
Conditions
Sugary Beverages
Interventions
weSIPsmarter, weLearn2Read
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
2 Years and older
Enrollment
744 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Christiansburg, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Study to Investigate Salivary Flow and Potential of Hydrogen (pH) Following Use of Essential-Oil Containing Mouthwashes

NCT06136455
View directory record Official record
Conditions
Healthy
Interventions
Listerine Clinical Solutions Teeth Strength, Listerine Total Care Zero Alcohol Mouthwash, Listerine Cool Mint Zero Alcohol Mouthwash, Colgate Cavity Protection Toothpaste
Drug · Other
Lead sponsor
Johnson & Johnson Consumer Inc. (J&JCI)
Industry
Eligibility
18 Years and older
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Sep 26, 2026, 1:22 AM EDT
Completed No phase listed Observational

Tap Water Intake and Perceptions in US Latinx Adults

NCT04997031
View directory record Official record
Conditions
Dehydration
Interventions
Not listed
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
492 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 8, 2022 · Synced Sep 26, 2026, 1:22 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Evaluation of the Tap Trust Intervention on Water Security Experiences and Beverage Intake

NCT07197216
View directory record Official record
Conditions
Beverage Intake, Child Health and Nutrition
Interventions
Tap Trust
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pharmacokinetics of Melatonin Administered in Oral, Lotion, and Bubble Bath Formulations

NCT06382610
View directory record Official record
Conditions
Sleep
Interventions
Melatonin
Dietary Supplement
Lead sponsor
University of Redlands
Other
Eligibility
18 Years to 21 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Redlands, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 3 Interventional Results available

Comparison of the Safety and Efficacy of Intravenous Iron Versus Oral Iron in Subjects Who Display Postpartum Anemia

NCT00396292
View directory record Official record
Conditions
Anemia
Interventions
Oral iron tablets, VIT-45
Drug
Lead sponsor
American Regent, Inc.
Industry
Eligibility
Female only
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Norristown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2018 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Saliva Insulin as Biomarker of Risk Factors for Metabolic Dysregulation and Caries

NCT05211843
View directory record Official record
Conditions
Caries, Metabolomic Profile
Interventions
Drinking water, Apple juice
Other
Lead sponsor
Jodi Stookey
Government
Eligibility
5 Years to 10 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study of the Safety of QRH-882260 Heptapeptide

NCT02574858
View directory record Official record
Conditions
Healthy Adults
Interventions
QRH-882260
Drug
Lead sponsor
University of Michigan
Other
Eligibility
25 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 1, 2018 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Safety of KSP Heptapeptide (KSP-910638G)

NCT03161418
View directory record Official record
Conditions
Healthy Adults
Interventions
KSP-910638G, 0.4 mg, KSP-910638G, 1.2 mg
Drug
Lead sponsor
University of Michigan
Other
Eligibility
25 Years to 100 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Fluoride in Saliva After Use of Fluoride Toothpastes Followed by Fluoride Mouthrinses

NCT05601154
View directory record Official record
Conditions
Dental Caries
Interventions
Crest Cavity Protection toothpaste, Crest Cavity Protection toothpaste followed by Act Mint Fluoride Rinse, Colgate PreviDent 5000+ toothpaste, Colgate PreviDent 5000+ toothpaste followed by Act Mint Fluoride Rinse
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 26, 2026, 1:22 AM EDT
Terminated Phase 2 Interventional Results available

Prediction of Severity of Liver Disease by a 13C Octanoate Breath Test (OBT)

NCT01244503
View directory record Official record
Conditions
Metabolic Syndrome, Nonalcoholic Fatty Liver Disease
Interventions
Sodium Octanoate Breath Test
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Houston, Texas • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 27, 2015 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 2 Interventional Results available

Smell Changes & Efficacy of Nasal Theophylline

NCT03990766
View directory record Official record
Conditions
Olfactory Disorder, Anosmia, Viral Infection, Theophylline Causing Adverse Effects in Therapeutic Use, Smell Disorder
Interventions
Theophylline, Saline Nasal
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 1 Interventional

A Study to Assess the Effect of Abiraterone Acetate in Male Participants With Mild or Moderate Hepatic Impairment Compared to Matched Control Participants With Normal Hepatic Function

NCT02001571
View directory record Official record
Conditions
Prostate Cancer
Interventions
Abiraterone acetate
Drug
Lead sponsor
Cougar Biotechnology, Inc.
Industry
Eligibility
40 Years to 80 Years · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enema Use and Acceptability in HIV Negative Men Who Have Sex With Men

NCT00696618
View directory record Official record
Conditions
HIV Infections
Interventions
Fleet Enema, tap water enema, Normosol-R enema
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Safety Study of Orally Administered BPM31510 in Healthy Subjects

NCT02486055
View directory record Official record
Conditions
Healthy
Interventions
BPM31510 Oral Nanosuspension 4%
Drug
Lead sponsor
BPGbio
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Eatontown, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 21, 2016 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of Three Toothpastes Using an in Situ Caries Model

NCT02751320
View directory record Official record
Conditions
Dental Caries
Interventions
0.425 % w/w phytate,1150ppm F, 0.85 % w/w phytate,1150ppm F, 0.85 % w/w phytate,0.3%ZnCl2 0.5% sodium citrate, 1150ppm F, 0 ppm F, 1150ppm F, 0.3%ZnCl2, 0.5% sodium citrate, 1150ppm F
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 26, 2026, 1:22 AM EDT
Recruiting Not applicable Interventional

Transcranial Alternating Current Stimulation (tACS) for the Treatment of Anxiety in Veterans: An Open-Label Pilot Study

NCT07288008
View directory record Official record
Conditions
Anxiety
Interventions
Transcranial alternating current stimulator
Device
Lead sponsor
Birmingham VA Health Care System
Federal
Eligibility
19 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Sep 26, 2026, 1:22 AM 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 26, 2026, 1:22 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Alkaline Ionized Water: Sports Recovery and Inflammation Management

NCT02748655
View directory record Official record
Conditions
Sports Recovery
Interventions
Alkaline ionized water, Tap water
Other
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
25 Years to 40 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced Sep 26, 2026, 1:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating Distribution of a Tenofovir Douche With Tap Water Douching and Simulated Receptive Anal Intercourse

NCT04195776
View directory record Official record
Conditions
HIV/AIDS, HIV Prevention
Interventions
Tenofovir Douche
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 16, 2023 · Synced Sep 26, 2026, 1:22 AM EDT