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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:10 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 2,647 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: controlled diet Clear all
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Comparing the Effects of Commercially Available Dietary Supplements on CoQ10 Concentrations

NCT06640465
View directory record Official record
Conditions
Wellness, Health
Interventions
Ubiquinol + geranylgeraniol, Geranylgeraniol, Ubiquinol, Ubiquinone, Placebo
Dietary Supplement · Other
Lead sponsor
OvationLab
Network
Eligibility
40 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
6
States / cities
El Dorado Hills, California • Centennial, Colorado • Palm Springs, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional

Lifestyle Interventions to Prevent Diabetes in U.S. Home Visiting Programs

NCT06988306
View directory record Official record
Conditions
Diabetes Mellitus, Gestational Diabetes Mellitus (GDM)
Interventions
GDM Enhanced, Meals
Behavioral
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years and older · Female only
Enrollment
978 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
3
States / cities
San Luis Obispo, California • Chicago, Illinois • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PilAm Go4Health Weight Loss Program to Prevent Heart Disease

NCT02290184
View directory record Official record
Conditions
Type2 Diabetes
Interventions
PilAm Go4Health Weight-loss Program, Active Control
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Oct 21, 2026, 5:10 PM EDT
Terminated Phase 2 Interventional

Atkins Diet and Prostate Cancer Clinical Trial

NCT00932672
View directory record Official record
Conditions
Prostate Cancer
Interventions
Atkins Diet
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
3
States / cities
Los Angeles, California • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 7, 2015 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pilot Study of Meat-Borne Carcinogens and Pancreatic Cancer

NCT01492907
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
MeIQx, Pancreatectomy
Radiation · Procedure
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Piloting Movement-to-Music With Arm-based Sprint-Intensity Interval Training Among Children With Physical Disabilities

NCT05619211
View directory record Official record
Conditions
Cerebral Palsy
Interventions
Sprint-Intensity Interval Training with Telecoaching
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
6 Years to 17 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Homewood, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Blueberry Intervention Study for Brain Aging

NCT05024916
View directory record Official record
Conditions
Brain Aging
Interventions
Intervention, Control
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years to 89 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Does Protein Restriction Inhibit Prostrate Cancer Growth

NCT01692587
View directory record Official record
Conditions
Prostate Cancer
Interventions
Protein restrictive diet
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Male only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 21, 2026, 5:10 PM EDT
Terminated Phase 4 Interventional Results available

Mothers' Own Milk Optimization for Preterm Infants Project (MoMO PIP) Pilot Study

NCT04629534
View directory record Official record
Conditions
Vitamin D Deficiency, Nutritional Deficiency
Interventions
High dose Cholecalciferol, Cholecalciferol
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
0 Days to 45 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Fatty Acid Modulation of Brain Function in Older Adults

NCT06192407
View directory record Official record
Conditions
Aging
Interventions
High Oleic Acid Diet, High Palmitic Acid Diet
Dietary Supplement
Lead sponsor
University of Vermont
Other
Eligibility
65 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Effects of Wolffia Globosa (Mankai) in Patients Undergoing Bariatric Surgery.

NCT03999632
View directory record Official record
Conditions
Bariatric Surgery Candidate, Diet Modification
Interventions
Dietary modification with introduction of Mankai
Other
Lead sponsor
Cleveland Clinic Florida
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Oct 21, 2026, 5:10 PM EDT
Terminated Not applicable Interventional

Prolonged Nightly Fasting in Fibromyalgia

NCT05581849
View directory record Official record
Conditions
Fibromyalgia
Interventions
Prolonged Nightly Fasting, Health Education Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 6, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Developing a Text-Message Enhanced Physical Activity Intervention for Latino Men

NCT02512419
View directory record Official record
Conditions
Inactivity
Interventions
Text-Enhanced Physical Activity Intervention Arm, Health Education Control Arm, Actigraph GT3X
Behavioral · Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Consuming Red Meat on the Gut Microbiota in Young Adults

NCT03885544
View directory record Official record
Conditions
Diet Modification
Interventions
Controlled Lacto-ovo vegetarian diet, Controlled Unprocessed red meat diet, Controlled processed red meat diet
Other
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Parent-Based Intervention to Reduce Sexual Risk Behavior in Adolescents

NCT00461487
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
Active control on hygiene and nutrition, Families Talking Together
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
11 Years to 14 Years
Enrollment
530 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 11, 2013 · Synced Oct 21, 2026, 5:10 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of Flavored on!® Nicotine Pouch Products on Smoking Behaviors: a SMART Study

NCT06072547
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Access to all varieties of on! 4mg nicotine pouches (Berry, Citrus, Cinnamon, Wintergreen, Mint, Coffee, and Original), Access to Original on! 4mg nicotine pouches, Non-Flavored then complete flavor on! nicotine pouches
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Dietary Intervention in Type-2 Diabetes and Pre-Diabetes

NCT02519309
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Pre-diabetes, Metabolic Syndrome
Interventions
Virta Program
Other
Lead sponsor
Virta Health
Industry
Eligibility
21 Years to 65 Years
Enrollment
465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 21, 2026, 5:10 PM EDT
Withdrawn No phase listed Observational

Omega-3 Fatty Acid Status in Morbid Obesity Before and After Surgical Treatment

NCT00558532
View directory record Official record
Conditions
Morbid Obesity, Cardiovascular Disease, Fatty Acid Levels
Interventions
Bariatric Surgery
Procedure
Lead sponsor
University of Cincinnati
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 13, 2016 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of RSB11-HI Postbiotic Supplementation for Supporting Weight Management, Metabolic Wellness, and Quality of Life in Healthy Adults

NCT07788833
View directory record Official record
Conditions
Healthy Adults
Interventions
RSB11-HI Heat-Inactivated Postbiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Able Biolabs, LLC
Other
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Using Signos mHealth Platform in Adults for Weight Management

NCT06214221
View directory record Official record
Conditions
Overweight and Obesity, Metabolic Syndrome, Weight Loss
Interventions
Signos System, Standard Lifestyle Education
Device · Other
Lead sponsor
Signos Inc
Industry
Eligibility
22 Years and older
Enrollment
380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
5
States / cities
Phoenix, Arizona • Walnut Creek, California • North Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Education and Supportive Partners Improving Self-Care (ENSPIRE)

NCT00166049
View directory record Official record
Conditions
Heart Failure
Interventions
Family Partnership Intervention (FPI), Patient and Family Education, Usual care with educational material
Behavioral
Lead sponsor
Emory University
Other
Eligibility
21 Years to 79 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
4
States / cities
Atlanta, Georgia • Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 11, 2015 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

The Influence of Tai Chi Practice on Blood Pressure and Brain Health Among Older Adults With Hypertension (ACTION)

NCT04384263
View directory record Official record
Conditions
Hypertension, Cognitive Decline
Interventions
Tai Chi
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
55 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Steps to Effective Problem Solving in Group Homes

NCT02855008
View directory record Official record
Conditions
Problem Behavior
Interventions
STEPS, Food for Life
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 21, 2026, 5:10 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Acute Effects on Stem Cell Surveillance

NCT07341178
View directory record Official record
Conditions
Stem Cell Surveillance
Interventions
Anthocyanin-rich berry extract, Anthocyanin-rich flower/leaf extract, Berry /leaf blend, Placebo
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 21, 2026, 5:10 PM EDT