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ClinicalTrials.gov public records Last synced Nov 15, 2026, 3:13 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 741 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Dietary Intervention Clear all

Conditions: Physical Inactivity, Poor Diet
Interventions: Brief Motivational Intervention, Educational information; Behavioral
Lead sponsor: University of Missouri-Columbia; Other
Eligibility: 18 Years and older
Enrollment: 70 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2009
U.S. locations: 1
States / cities: Memphis, Tennessee

Conditions: Weight Loss, Diet Modification, Obesity
Interventions: Observation Group participants, Lifestyle group participants; Behavioral
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 18 Years to 50 Years · Female only
Enrollment: 42 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 2
States / cities: Aurora, Colorado

Conditions: Diabetes Mellitus, Type 2
Interventions: Dietary intervention; Behavioral
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Excessive Gestational Weight Gain, Pregnancy, INTUITIVE EATING, Perceived Stress, Prenatal Depression, Anxiety, Diet Quality, Physical Activity, Body Awareness
Interventions: Intuitive Eating Intervention; Other
Lead sponsor: San Diego State University; Other
Eligibility: 18 Years and older · Female only
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 2
States / cities: San Diego, California

Conditions: Food Selection
Interventions: Intervention Food Pantries, Control Food Pantries; Behavioral · Other
Lead sponsor: University of Connecticut; Other
Eligibility: 18 Years to 99 Years
Enrollment: 504 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Minneapolis, Minnesota

Conditions: Obesity & Overweight, Cardiometabolic Risk Factors
Interventions: Mediterranean eating style, Physical activity, Mindful Eating, Body Appreciation, Enjoyable Exercise; Behavioral
Lead sponsor: The Miriam Hospital; Other
Eligibility: 18 Years and older
Enrollment: 50 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Providence, Rhode Island

Conditions: Colon Inflammation, Iron Malabsorption, Obesity, Diet Modification
Interventions: High heme iron diet, Low iron diet, Plant-based high non-heme iron diet; Other
Lead sponsor: University of Illinois Chicago; Other
Eligibility: 55 Years to 70 Years · Female only
Enrollment: 17 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2019
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Cachexia, Neoplasms
Interventions: standard care, nutritional supplements and advice, home-based self-assisted exercise program, Ibuprofen; Other · Dietary Supplement · Behavioral + 1 more
Lead sponsor: Norwegian University of Science and Technology; Other
Eligibility: 18 Years and older
Enrollment: 221 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2023
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Hypertriglyceridemia
Interventions: Diet intervention, Control group; Other
Lead sponsor: Nemours Children's Clinic; Other
Eligibility: 10 Years to 17 Years
Enrollment: 19 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2023
U.S. locations: 1
States / cities: Wilmington, Delaware

Conditions: Healthy Adults
Interventions: Dietary; Other
Lead sponsor: United States Department of Agriculture (USDA); Federal
Eligibility: 50 Years to 69 Years
Enrollment: 24 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011
U.S. locations: 1
States / cities: Beltsville, Maryland

Conditions: Dietary Modification
Interventions: Carnitine, Choline, Antibiotics, Choline and Aspirin, Carnitine and Aspirin; Dietary Supplement · Drug
Lead sponsor: The Cleveland Clinic; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2029
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Rectal Carcinoma, Rectosigmoid Carcinoma
Interventions: Best Practice, Dietary Intervention, Message, Quality-of-Life Assessment, Questionnaire Administration; Other · Dietary Supplement
Lead sponsor: SWOG Cancer Research Network; Network
Eligibility: 18 Years and older
Enrollment: 95 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2023
U.S. locations: 225
States / cities: Tucson, Arizona • Costa Mesa, California • Duarte, California + 144 more

Conditions: Dyspepsia, Dietary Modification
Interventions: Low FODMAP Diet, Choose My Plate Diet; Behavioral
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: Park Ridge, Illinois

Conditions: Glucose Intolerance, Diabetes Mellitus, Type 2
Interventions: exercise and diet; Behavioral
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 40 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1994 – 1999
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Bone Alteration, Dietary Modification
Interventions: Calcium/Vitamin D, Placebo; Dietary Supplement
Lead sponsor: United States Army Research Institute of Environmental Medicine; Federal
Eligibility: 17 Years to 42 Years
Enrollment: 175 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015
U.S. locations: 1
States / cities: Columbia, South Carolina

Conditions: Cancer, Breast, Cancer, Uterus, Cancer, Ovary, Obesity, Activity, Motor, Diet, Healthy
Interventions: With Love, Grandma ("Con Cariño, Abuelita"); Behavioral
Lead sponsor: University of Miami Sylvester Comprehensive Cancer Center; Other
Eligibility: 21 Years and older · Female only
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Miami, Florida

Conditions: Chronic Kidney Disease
Interventions: Diet counseling, Phosphorus binder; Other · Drug
Lead sponsor: Salem Veterans Affairs Medical Center; Federal
Eligibility: 18 Years and older
Enrollment: 120 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2014
U.S. locations: 1
States / cities: Salem, Virginia

Conditions: Rheumatoid Arthritis, Inflammation, Obesity, Ketogenic Dieting, Metabolic Syndrome
Interventions: Ketogenic diet; Behavioral
Lead sponsor: University of Oklahoma; Other
Eligibility: 18 Years to 65 Years
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2029
U.S. locations: 1
States / cities: Oklahoma City, Oklahoma

Conditions: Heart Failure, Heart Failure NYHA Class I, Heart Failure NYHA Class II, Heart Failure NYHA Class III
Interventions: PP-MI Intervention, MI-alone Intervention; Behavioral
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years and older
Enrollment: 280 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2027
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Breastfeeding, Dietary Intervention, Milk Expression, Breast
Interventions: Lactation Support and ABME, Lactation Support and meal plan, Lactation Support; Other
Lead sponsor: Arkansas Children's Hospital Research Institute; Other
Eligibility: 18 Years and older · Female only
Enrollment: 240 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2029
U.S. locations: 1
States / cities: Little Rock, Arkansas

Conditions: Obesity, Physical Inactivity, Diabetes
Interventions: One on one counseling, Group/team - based health education, PACE physician counseling; Behavioral
Lead sponsor: Oregon Health and Science University; Other
Eligibility: 30 Years to 65 Years
Enrollment: 103 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2009
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Blood Pressure, High Blood Pressure, Dietary Modification, Overweight and Obesity
Interventions: Self-Guided Approach, Dietitian-led Approach; Behavioral
Lead sponsor: Geisinger Clinic; Other
Eligibility: 18 Years and older
Enrollment: 187 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2021
U.S. locations: 2
States / cities: Danville, Pennsylvania • Wilkes-Barre, Pennsylvania

Conditions: Heart Disease
Interventions: DAiLY; Behavioral
Lead sponsor: Oregon Health and Science University; Other
Eligibility: 18 Years and older
Enrollment: 368 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2029
U.S. locations: 2
States / cities: Bethel, Alaska • Portland, Oregon

Conditions: Weight, Body, Diet Habit
Interventions: Healthy Start to Feeding; Behavioral
Lead sponsor: University of Cincinnati; Other
Eligibility: 3 Months to 10 Months
Enrollment: 34 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Cincinnati, Ohio

Search by objective public record fields.

Brief Motivational Intervention to Increase Physical Activity and Fruit/Vegetable Intake

Helping Moms to be Healthy After Baby

Effect of a Dietary Intervention on Intracellular Lipid Levels, Insulin Sensitivity, and Glycemic Control in Type 2 Diabetes

An Online Intuitive Eating Program for Pregnant Women With Obesity to Support Well-Being

A Multilevel Intervention in the Hunger Relief Network to Improve Diet Among Adults Experiencing Food Insecurity

Pilot Test of Five Weight Neutral Interventions to Improve Health Among Adults of Higher Body Weight

Obesity, Iron Regulation and Colorectal Cancer Risk

Multimodal Intervention for Cachexia in Advanced Cancer Patients Undergoing Chemotherapy

Omega-3 Fatty Acid Dietary Intervention (O3DI)

Pilot Study of a Dietary Intervention Based Upon Advanced Glycation End Products

CARNIVAL Study: Gut Flora Dependent Metabolism of Dietary CARNItine and Phosphatidylcholine and cardioVAscuLar Disease

Testing Diet Intervention Versus Non-Diet Intervention for Management of Bowel Symptoms in Rectal Cancer Survivors

Study to Evaluate Dietary Modification in Patients With Functional Dyspepsia.

Lifestyle Interventions to Reduce Diabetes Risk

Efficacy of a Once Daily Calcium and Vitamin D Fortified Food Product to Improve Bone Microarchitecture

With Love, Grandma ("Con Cariño, Abuelita") Pilot Study

Study Comparing Effects of Lanthanum Carbonate Versus Calcium Acetate Versus Dietary Phosphorus Restriction

Ketogenic Diet in Rheumatoid Arthritis (RA)

Promoting Well-being and Health in Heart Failure

Effect of Prenatal and Postnatal Intervention Strategies on Breastfeeding Outcomes in Women With Excessive Weight (Ready, Set, Nourish Study)

Changing Healthy Outcomes In Clinic Environments

Remote Dietary Counseling to Promote Healthy Diet and Blood Pressure

Diet and Active Lifestyle - Yuuyaraq (The Yup'ik Way of Life)

Healthy Start to Feeding Intervention