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Showing 1–24 of 6,936 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Diet Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Safety and Biologic Effects of an Eicosapentaenoic (EPA)-Enriched Oil

NCT00988585
View directory record Official record
Conditions
Heart Disease
Interventions
EPA 600, EPA 1800, Olive Oil, DHA
Dietary Supplement
Lead sponsor
Cardiovascular Research Associates
Network
Eligibility
21 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Sep 1, 2026, 1:42 PM 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 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Effects of the Libido Lift Supplement on Libido and Sexual Desire in Men

NCT07564791
View directory record Official record
Conditions
Low Libido, Sexual; Desire Absent
Interventions
Dietary Supplement: Libido Lift, Placebo
Dietary Supplement
Lead sponsor
Bio Nature Health
Industry
Eligibility
35 Years to 75 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 1, 2026, 1:42 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Mood and Behavior Changes Among Overweight Adolescent Females

NCT00127374
View directory record Official record
Conditions
Obesity, Depression
Interventions
Dietary and physical activity modifications
Behavioral
Lead sponsor
University of Kentucky
Other
Eligibility
10 Years to 14 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 7, 2016 · Synced Sep 1, 2026, 1:42 PM EDT
Active, not recruiting Not applicable Interventional

Gluten Free Diet in Hashimoto's Hypothyroidism

NCT07060118
View directory record Official record
Conditions
Hypothyroidism, Hashimoto Disease
Interventions
Gluten Free Diet in Hashimoto's Hypothyroidism
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavior of Infants Fed Formula Supplemented With Prebiotics

NCT02757924
View directory record Official record
Conditions
Gastrointestinal Tolerance
Interventions
Infant formula supplemented with prebiotics
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
7 Days to 42 Days
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
11
States / cities
Dothan, Alabama • Pensacola, Florida • St. Petersburg, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2017 · Synced Sep 1, 2026, 1:42 PM EDT
Not listed Early Phase 1 Interventional

Lovaza's Effect on Clopidogrel in a Neuro Population

NCT01526824
View directory record Official record
Conditions
Ischemic Stroke, Transient Ischemic Attack
Interventions
omega-3 polyunsaturated fatty acids (Lovaza)
Dietary Supplement
Lead sponsor
Millard Fillmore Gates Hospital
Other
Eligibility
25 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2012 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional

Examining the Impact of an Online, Non-restrictive Diet Among Persons With Multiple Sclerosis

NCT05712408
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
800g Challenge
Behavioral
Lead sponsor
University of North Texas, Denton, TX
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Diabetes Self-Management Models to Reduce Health Disparities

NCT01221090
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
PDA, CDSMP, PDA/CDSMP
Behavioral
Lead sponsor
Scott and White Hospital & Clinic
Other
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Temple, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2013 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

LMN-101 in a Campylobacter Human Challenge Model

NCT04182490
View directory record Official record
Conditions
Campylobacter Infections
Interventions
LMN-101, Placebo
Biological · Drug
Lead sponsor
Lumen Bioscience, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Phase 4 Interventional Results available

Mechanism of Action Study for Psoriasis

NCT00932113
View directory record Official record
Conditions
Psoriasis
Interventions
Methotrexate, Adalimumab (Humira)
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 30, 2017 · Synced Sep 1, 2026, 1:42 PM EDT
Recruiting Not applicable Interventional

Endoscopic Sleeve Gastroplasty (ESG) for the Treatment of Obesity

NCT06339320
View directory record Official record
Conditions
Endoscopic Sleeve Gastroplasty, Obesity
Interventions
Endoscopic Sleeve Gastroplasty (ESG), Apollo OverStitch endoscopic suturing device
Procedure · Device
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
2
States / cities
Houston, Texas • Sugar Land, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2024 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional

Impact of a Personal Digital Assistant (PDA) - Based Dietary Adherence Intervention on Interdialytic Weight Gain and Blood Pressure in Hemodialysis Patients

NCT00447408
View directory record Official record
Conditions
End-Stage Renal Disease
Interventions
Standard hemodialysis dietary instruction, Behavioral counseling plus PDA-based self-monitoring of diet
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 27, 2010 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Citicoline, Creatine, and Omega-3 Effects in Middle Age Women

NCT01502813
View directory record Official record
Conditions
Cognitive Benefits
Interventions
Citicoline, Omega-3 Fatty Acids and Creatine
Drug
Lead sponsor
Deborah Yurgelun-Todd
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 21, 2021 · Synced Sep 1, 2026, 1:42 PM EDT
Completed No phase listed Observational

Enhanced Recovery After Surgery in Colorectal Surgery: A Large-Scale Quality Improvement Project

NCT03189550
View directory record Official record
Conditions
Colorectal Surgery, Quality Improvement, Perioperative Care, ERAS
Interventions
ERAS perioperative care, Standard perioperative care, Noninvasive hemodynamic monitoring
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional Results available

Impact of Omega-3 Fatty Acid Oral Therapy on Healing of Chronic Venous Leg Ulcers in Older Adults

NCT03576989
View directory record Official record
Conditions
Chronic Venous Leg Ulcers
Interventions
EPA+DHA, placebo
Dietary Supplement · Other
Lead sponsor
Ohio State University
Other
Eligibility
55 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Precision Public Health: Enhancing Connections to Develop Just-in-Time Adaptive Intervention Strategies

NCT03836391
View directory record Official record
Conditions
Overweight and Obesity, Overweight, Obesity
Interventions
Nudge
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing the Variety of Vegetables and Fruits Served to Preschool Children at a Snack

NCT01557218
View directory record Official record
Conditions
Obesity, Feeding Behaviors
Interventions
Cucumber snack, Pepper snack, Tomato snack, Vegetable variety snack, Apple snack, Peach snack, Pineapple snack, Fruit variety snack
Other
Lead sponsor
Penn State University
Other
Eligibility
3 Years to 6 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 14, 2013 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional

Women's Health Project for Women Wanting to Lose Weight

NCT01671397
View directory record Official record
Conditions
Obesity
Interventions
Diet and exercise counseling, Diet, exercise, sleep hygiene counseling
Behavioral
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2014 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Phase 2 Interventional

Diabetes Management in Low-Income Hispanic Patients

NCT00848315
View directory record Official record
Conditions
Type 2 Diabetes, Glycemic Control
Interventions
Cognitive Behavioral Intervention
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
5
States / cities
Springfield, Massachusetts • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 12, 2023 · Synced Sep 1, 2026, 1:42 PM EDT
Not yet recruiting Not applicable Interventional

Combined Circulatory and Dietary Interventions for Neuropathy

NCT07213843
View directory record Official record
Conditions
Diabete Type 2, Neuropathy, Painful
Interventions
INF® Therapy, NVIf
Other
Lead sponsor
Loma Linda University
Other
Eligibility
35 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional Results available

Aldosterone and Glucose Homeostasis

NCT00732160
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Aldosterone infusion (A), Vehicle Infusion (V), High Sodium Diet (HS), Low Sodium Diet (LS)
Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Sep 1, 2026, 1:42 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effects of Resveratrol Supplementation on Measurements of Health and Human Performance

NCT01244360
View directory record Official record
Conditions
Inflammation
Interventions
resveratrol, Placebo Comparator: Sugar Pill
Dietary Supplement · Other
Lead sponsor
Marywood University
Other
Eligibility
45 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Scranton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2011 · Synced Sep 1, 2026, 1:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Substituting Mushrooms for Meat to Control Body Weight

NCT01177085
View directory record Official record
Conditions
Obesity
Interventions
Weight-loss and weight-maintenance diets
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Sep 1, 2026, 1:42 PM EDT