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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Water Intake Clear all
Recruiting Not applicable Interventional

The Influence of Water Intake on Food Intake at Meals Varying in Moisture

NCT07439198
View directory record Official record
Conditions
Eating Behaviors
Interventions
No water, Water, Low Moisture, High moisture
Other
Lead sponsor
Cornell University
Other
Eligibility
20 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Water Intervention for Thinking in Kids (WITiKids ) Study

NCT02816450
View directory record Official record
Conditions
Low Fluid Intake, Chronic
Interventions
Water Intake
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
9 Years to 10 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Sep 2, 2026, 3:22 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Effect of Low Water Intake on Glucose Regulation Measured Using Continuous Glucose Monitoring

NCT06645431
View directory record Official record
Conditions
Blood Glucose Concentration, Blood Glucose Self Monitoring
Interventions
Water Intake
Behavioral
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Luis Obispo, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Sep 2, 2026, 3:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Thirst for Knowledge

NCT07670767
View directory record Official record
Conditions
Geriatric Population
Interventions
Education with a regular hydration opportunity
Behavioral
Lead sponsor
Duquesne University
Other
Eligibility
60 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Cornwall, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effect of and Energy Drink vs. Water Consumption on MAP, HR, and Energy Metabolism

NCT06330649
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension, Diet
Interventions
Energy Drink, Water Control
Dietary Supplement · Other
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 30 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Vegetable Intake Using Monosodium Glutamate: A Reduced-Effort Intervention

NCT05591612
View directory record Official record
Conditions
Healthy Nutrition, Culinary Medicine, Sodium Excess
Interventions
Salt replacement seasoning (50% salt and 50% MSG) mix, Salt replacement seasoning (70% salt and 30% MSG) mix, NaCl (sodium chloride/table salt)
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

INDIGO-2: The Effect of High Water Intake on Glucose Regulation in Low-drinkers

NCT04076995
View directory record Official record
Conditions
Dehydration, Diabetes Mellitus, Type 2
Interventions
Water Intake
Other
Lead sponsor
Arizona State University
Other
Eligibility
30 Years to 55 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Adequate Water Intake on Exercise Performance and Mood in Women and Men

NCT05033665
View directory record Official record
Conditions
Dehydration, Mood
Interventions
Increase water consumption, Maintain adequate water consumption
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 35 Years
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Sep 2, 2026, 3:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Water Intake and Weight Control in Older Adults

NCT05843318
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Water intake and weight control in older adults - Premeal Water + hypocaloric diet, Water intake and weight control in older adults - Total Daily Water + hypocaloric diet, Water Intake and weight control in older adults - hypocaloric diet alone
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
50 Years and older
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Phase 2 Interventional Results available

Alkaline Water in Reducing Skin Toxicity in Women With Breast Cancer Undergoing Radiation Therapy

NCT01487954
View directory record Official record
Conditions
Radiation Toxicity, Recurrent Breast Cancer, Stage I Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
alkaline water, distilled water, external beam radiation therapy (EBRT)
Dietary Supplement · Radiation
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Westlake, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 17, 2015 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Results available

Childcare Healthy Beverage Access, Food and Beverage Intake, and Obesity

NCT05112185
View directory record Official record
Conditions
Obesity
Interventions
Healthy Drinks, Healthy Futures
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
2 Years to 105 Years
Enrollment
1,034 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Diet as a Potential Treatment for Autosomal Dominant Polycystic Kidney Disease

NCT02225860
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Interventions
Diet and water adjustment
Behavioral
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Sep 2, 2026, 3:22 PM 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 26, 2023 · Synced Sep 2, 2026, 3:22 PM 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 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oral Water Hydration to Prevent Post-Vaccination Presyncope

NCT02353390
View directory record Official record
Conditions
Presyncope, Syncope
Interventions
Oral Water Hydration
Other
Lead sponsor
Duke University
Other
Eligibility
11 Years to 21 Years
Enrollment
1,820 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 6, 2016 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Community-based Study to Target Childhood Obesity

NCT02890056
View directory record Official record
Conditions
Obesity
Interventions
H2GO!
Behavioral
Lead sponsor
Boston University
Other
Eligibility
9 Years to 12 Years
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Sep 2, 2026, 3:22 PM EDT
Terminated Not applicable Interventional Results available

Unsweetened Sparkling Water and Changes in Sweetness Perception in Adolescents

NCT05966870
View directory record Official record
Conditions
Obesity, Adolescent, PreDiabetes
Interventions
Unsweetened flavored sparkling water
Other
Lead sponsor
Indiana University
Other
Eligibility
10 Years to 21 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Three-Group Study to Examine the Efficacy of the Air up® Drinking System at Improving Hydration and Associated Health Outcomes

NCT06290479
View directory record Official record
Conditions
Water Intake
Interventions
Air Up® Peach Pod, Air Up® Orangeade Pod
Dietary Supplement
Lead sponsor
air up GmbH
Industry
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 18, 2024 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fluid Balance During Exercise in the Heat With Water, Flavored Placebo, or a Carbohydrate-electrolyte Beverage Intake (The APEX Study)

NCT01893853
View directory record Official record
Conditions
Dehydration
Interventions
Exercise Intervention
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Sep 2, 2026, 3:22 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Cluster Randomized Trial of the H2GO! Program

NCT04265794
View directory record Official record
Conditions
Childhood Obesity
Interventions
H2GO!
Behavioral
Lead sponsor
Boston University
Other
Eligibility
9 Years and older
Enrollment
824 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Hydration on Gut Health and Thinking

NCT05315531
View directory record Official record
Conditions
Dehydration, Cognitive Change, Gastrointestinal Microbiota
Interventions
Water Intake
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
19 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Water Consumption Study of ALKS 5461 in Healthy Volunteers

NCT02521857
View directory record Official record
Conditions
Healthy
Interventions
ALKS 5461
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 9, 2015 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Sodium Intake on Calcium Retention in Girls

NCT01564238
View directory record Official record
Conditions
Osteoporosis
Interventions
Low Na diet (1.3 g/d), High sodium diet (3.8 g/d)
Other
Lead sponsor
Purdue University
Other
Eligibility
11 Years to 15 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2000
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Sep 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

High Water Intake to Slow Progression of Polycystic Kidney Disease

NCT00784030
View directory record Official record
Conditions
Kidney, Polycystic, Autosomal Dominant
Interventions
Water
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Sep 2, 2026, 3:22 PM EDT