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ClinicalTrials.gov public records Last synced Oct 19, 2026, 7:20 AM EDT

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Showing 1–24 of 57 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Tap water Clear all
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 5, 2018 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oral and Dermal Tolerability Clinical Study of an Experimental Denture Wipe

NCT03478644
View directory record Official record
Conditions
Denture Cleansers
Interventions
Experimental Denture Wipe, Tap Water
Device · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 15, 2018 · Synced Oct 19, 2026, 7:20 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 5, 2013 · Synced Oct 19, 2026, 7:20 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 3, 2024 · Synced Oct 19, 2026, 7:20 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 12, 2025 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Early Phase 1 Interventional

Effect of a High Citrate Beverage on Urine Chemistry in Urinary Stone Disease

NCT04697706
View directory record Official record
Conditions
Urinary Stone
Interventions
Moonstone, Water
Dietary Supplement · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Not applicable Interventional

Increasing Water Access and Appeal in Community Recreation Centers

NCT03637465
View directory record Official record
Conditions
Health Behavior
Interventions
Hydrate Philly
Behavioral
Lead sponsor
Philadelphia Department of Public Health
Government
Eligibility
3 Years to 100 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 2, 2019 · Synced Oct 19, 2026, 7:20 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 28, 2015 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of Tap Water Treatment in the Elderly

NCT00058942
View directory record Official record
Conditions
Diarrhea, Gastrointestinal Diseases
Interventions
home drinking water treatment device
Device
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years and older
Enrollment
810 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2009 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Not applicable Interventional

Evaluation of the Impact of Water Access and Promotion in Parks on Beverage Intake

NCT03889561
View directory record Official record
Conditions
Obesity
Interventions
Drink Tap
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
1,038 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Not applicable Interventional

The Effect of Coffee After Resection of Small Bowel

NCT03143621
View directory record Official record
Conditions
Postoperative Ileus
Interventions
Coffee, Water
Dietary Supplement · Other
Lead sponsor
Mount Carmel Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Oct 19, 2026, 7:20 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 2, 2018 · Synced Oct 19, 2026, 7:20 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 Nov 1, 2016 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Phase 2 Interventional Results available

Gulf War Illness Nasal Irrigation Study

NCT01700725
View directory record Official record
Conditions
Persian Gulf Syndrome, Chronic Sinusitis, Fatigue, Acute Sinusitis
Interventions
Nasal Irrigation - Saline, Nasal Irrigation - Xylitol
Other · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
35 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Not applicable Interventional

Non-Pharmaceutical Intervention for Cirrhotic Cramps Reduction: The NICCles Trial

NCT04650295
View directory record Official record
Conditions
Cirrhosis, Muscle Cramp, Ascites
Interventions
Household Remedy, Tap water
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 3, 2021 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic and Bioequivalence Comparison of Baclofen and Chlorzoxazone Administered Individually or Concurrently

NCT05257447
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Baclofen 20 mg Tablet, Chlorzoxazone 500 mg Tablet, Baclofen 20mg tablet and Chlorzoxazone 500 mg tablet
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2023 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Phase 4 Interventional

Probiotics to Prevent Severe Pneumonia and Endotracheal Colonization Trial

NCT02462590
View directory record Official record
Conditions
Ventilator Associated Pneumonia, Infections, C-Difficile, Antibiotic-associated Diarrhea, Diarrhea
Interventions
L. rhamnosus GG - Probiotic, Placebo - Microcrystalline Cellulose
Drug
Lead sponsor
McMaster University
Other
Eligibility
18 Years and older
Enrollment
2,650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
2
States / cities
Rochester, Minnesota • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 17, 2020 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

In Situ Erosion Study to Investigate the Effectiveness of an Experimental Toothpaste

NCT03296072
View directory record Official record
Conditions
Tooth Erosion
Interventions
0.254% w/w sodium fluoride and 5% KNO3, 0.454% w/w stannous fluoride, 5% KNO3
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 19, 2026, 7:20 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 17, 2023 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Not applicable Interventional

Tap Water Versus Normal Saline for Wound Irrigation

NCT01564342
View directory record Official record
Conditions
Wound Infection Rate
Interventions
wound irrigation with study fluid
Procedure
Lead sponsor
Stanford University
Other
Eligibility
12 Months and older
Enrollment
660 participants
Timeline
1994 – 1996
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2012 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Not applicable Interventional Results available

MediHoney for Radiation Dermatitis

NCT02234479
View directory record Official record
Conditions
Breast Cancer, Radiation Dermatitis
Interventions
Hydrophor (Group A), MediHoney (Group B)
Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Oct 19, 2026, 7:20 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 12, 2026 · Synced Oct 19, 2026, 7:20 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 13, 2017 · Synced Oct 19, 2026, 7:20 AM EDT
Completed Phase 1 Interventional

Treatment of Orthostatic Hypotension in Autonomic Failure

NCT00223691
View directory record Official record
Conditions
Autonomic Failure, Orthostatic Hypotension
Interventions
Atomoxetine, Acarbose, Pyridostigmine Bromide, Yohimbine, Midodrine HCl, placebo, Modafinil, Octreotide, water intake, Diphenhydramine Hydrochloride, Ranitidine HCL, Tranylcypromine, Ergotamine/ Caffeine, Celecoxib, Pseudoephedrine, Methylphenidate, Indomethacin, Ibuprofen, Oxymetazoline 0.05% nasal solution, Bovril, Acetazolamide, Rivastigmine tartrate, Carbidopa/levodopa, Inflatable abdominal binder, inflatable abdominal binder (sham)
Drug · Other · Dietary Supplement + 1 more
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 19, 2026, 7:20 AM EDT