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ClinicalTrials.gov public records Last synced Nov 15, 2026, 6:37 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 121–144 of 741 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Dietary Intervention Clear all

Conditions: Obesity
Interventions: Bifidobacterium spp plus bimuno- galacto-oligosaccharides, Placebo; Dietary Supplement
Lead sponsor: South Dakota State University; Other
Eligibility: 18 Years to 80 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017
U.S. locations: 1
States / cities: Brookings, South Dakota

Conditions: Obesity
Interventions: Endoscopic Sleeve Gastroplasty, Diet and Exercise; Procedure · Behavioral
Lead sponsor: Weill Medical College of Cornell University; Other
Eligibility: 18 Years to 65 Years
Enrollment: 2 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: New York, New York

Conditions: Allergic Rhinitis, Asthma, Allergy
Interventions: Broccoli Sprouts, Placebo; Drug
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 50 Years
Enrollment: 51 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Gestational Diabetes, Gestational Hypertension, High Risk Pregnancy, Preeclampsia
Interventions: Maternal Health Management Program; Behavioral
Lead sponsor: Medical College of Wisconsin; Other
Eligibility: 18 Years to 50 Years · Female only
Enrollment: 69 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Milwaukee, Wisconsin

Conditions: Gestational Diabetes Mellitus (GDM), Pregnancy
Interventions: Fermented Poi; Other
Lead sponsor: University of Hawaii; Other
Eligibility: 18 Years and older · Female only
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 3
States / cities: Honolulu, Hawaii • Waimanalo, Hawaii

Conditions: Dietary Intervention, Gut Microbiota, Insulin Sensitivity/Resistance, Obesity & Overweight
Interventions: Whole grain sumac sorghum, Whole grain white sorghum, White rice; Other
Lead sponsor: University of Nebraska Lincoln; Other
Eligibility: 19 Years to 64 Years
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2029
U.S. locations: 1
States / cities: Lincoln, Nebraska

Conditions: Neoplams, Prostate Cancer (Adenocarcinoma), Cancer Survivors, Caregiver Burden, Nutrition Therapy
Interventions: Cooking Healthy - Engaging Families (CHEF), Control; Behavioral
Lead sponsor: University of Arizona; Other
Eligibility: 18 Years to 90 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2027 – 2028
U.S. locations: 1
States / cities: Tucson, Arizona

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

Conditions: Dietary Intervention, Dietary Proteins, Dietary Assessment, Cognitive Ability, General
Interventions: Ready-to-eat beef in frozen, 5-oz packages, Ready-to-eat beef in frozen, 1-oz packages; Dietary Supplement
Lead sponsor: University of Nebraska Lincoln; Other
Eligibility: 19 Years to 24 Years
Enrollment: 240 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Lincoln, Nebraska

Conditions: Prostate Adenocarcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage IIA Prostate Cancer AJCC v8, Stage IIB Prostate Cancer AJCC v8, Stage IIC Prostate Cancer AJCC v8, Stage IIIA Prostate Cancer AJCC v8
Interventions: Dietary Intervention, Radical Prostatectomy; Other · Procedure
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 30 Years to 75 Years · Male only
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2026
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Ulcerative Colitis, Dietary Modification
Interventions: semi-vegetarian diet, Vedolizumab Injection; Dietary Supplement · Drug
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Jacksonville, Florida

Conditions: Gastrointestinal Discomfort, Digestive Well Being, Gut-related Symptoms
Interventions: Food ingredient of oyster mushroom mycelium (Pleurotus pulmonarius) and microalgae (Chlorella vulgaris); Dietary Supplement
Lead sponsor: Koralo GmbH; Industry
Eligibility: 18 Years and older
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Weight Loss, Weight Change, Body, Obesity, Diet Modification
Interventions: Weight Watchers Freestyle (Flex), DIY Personal Plan; Behavioral
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 18 Years to 75 Years
Enrollment: 373 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Diet Modification
Interventions: Controlled diet with beef raised without antibiotics, Controlled diet with beef produced in conventional systems; Other
Lead sponsor: Purdue University; Other
Eligibility: 21 Years to 69 Years
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: West Lafayette, Indiana

Conditions: Diet, Healthy, Obesity, Cardiometabolic Syndrome
Interventions: FEAST Perinatal Support Program; Behavioral
Lead sponsor: University of Southern California; Other
Eligibility: 18 Years and older · Female only
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Diabetes Type 2, Obesity, Diet Modification
Interventions: High Protein Diet, Standard Protein Diet; Behavioral
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 18 Years and older
Enrollment: 117 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2022
U.S. locations: 2
States / cities: Birmingham, Alabama • Aurora, Colorado

Conditions: Obesity
Interventions: Dietary Tracking Prescription; Behavioral
Lead sponsor: University of Connecticut; Other
Eligibility: 18 Years to 65 Years
Enrollment: 108 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024
U.S. locations: 1
States / cities: Storrs, Connecticut

Conditions: Fecal Incontinence
Interventions: low fodmap diet, Psyllium; Other · Dietary Supplement
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years to 90 Years
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2019
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Obesity
Interventions: Parenting Program; Behavioral
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: Not listed
Enrollment: 324 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2012
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Diabete Type 2, Neuropathy, Painful
Interventions: INF® Therapy, NVIf; Other
Lead sponsor: Loma Linda University; Other
Eligibility: 35 Years to 85 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Loma Linda, California

Conditions: Pediatric Cancer, Nutrition Related Cancer, Nutrition Aspect of Cancer, Muscle Loss, Malnutrition, Child
Interventions: Oral Nutrition Supplement, Tube Feed, Cyproheptadine, Olanzapine, Standard of Care; Dietary Supplement · Drug · Other
Lead sponsor: Corey Hawes; Other
Eligibility: 2 Years to 19 Years
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Lexington, Kentucky

Conditions: Overweight, Metabolic Syndrome X
Interventions: Placebo, Cr-400, Cr-800, PE-500, PE-1000; Dietary Supplement
Lead sponsor: Kerry Group P.L.C; Industry
Eligibility: 30 Years to 65 Years
Enrollment: 112 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2024
U.S. locations: 1
States / cities: College Station, Texas

Conditions: Type 2 Diabetes
Interventions: Breakfast; Behavioral
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years to 80 Years
Enrollment: 119 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Diet, Healthy, Inactivity, Physical, Obesity
Interventions: Lifestyle change; Behavioral
Lead sponsor: California Polytechnic State University-San Luis Obispo; Other
Eligibility: 18 Years and older · Female only
Enrollment: 15 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 2
States / cities: San Luis Obispo, California • Providence, Rhode Island

Search by objective public record fields.

Effect of a Synbiotic Supplement on a High-protein Diet

Safety, Tolerability, and Sustained Weight Loss of Endoscopic Sleeve Gastroplasty With Diet Modification and Exercise

Effects of Whole Sprouts on Airway Allergic Inflammation

Preventing Obstetric Complications With Dietary Intervention

Poi for Mama: a Pilot to Improve Maternal Microbiome and Gestational Diabetes Risk

Phenolic Dependent And Independent Effects Of Whole Grain Sorghum On Immunometabolism

Pilot Feasibility Study of a Dyadic Culinary Nutrition Intervention

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

Investigating the Effects of Beef Consumption on Cognitive and Brain Health

Neoadjuvant Dietary Intervention in Intermediate Risk Prostate Cancer

Evaluating the Combined Effect of Vedolizumab and Semi-Vegetarian Diet on Ulcerative Colitis.

Evaluation of Gut-Related Well-Being and Mood Effects of a Daily Nutritional Food Ingredient From the Co-Fermentation of Fungal Mycelium (Pleurotus Pulmonarius) and Microalgae (Chlorella Vulgaris)

Study of an International Commercial Program on Weight Loss and Health Outcomes

Antimicrobial-free Production of Beef Cattle's Affect on Gut Microbiome

FEAST Perinatal Support Program Intervention

Comparing High and Normal Protein Diets for the Dietary Remission of Type 2 Diabetes

Diet Tracking Prescriptions for Weight Loss

Comparing the Effectiveness of Two Dietary Interventions for Fecal Incontinence

Study of Parenting Intervention to Prevent Child Obesity

Combined Circulatory and Dietary Interventions for Neuropathy

Pediatric Oncology Nutrition Intervention Trial

Impact of Chromium, Phyllanthus Emblica, and Shilajit on Cardiovascular Health, Fitness, and Weight Loss During Exercise and Diet Programs

The Breakfast Study

Feasibility of Cardiovascular Health Intervention Within Evidence-based Home Visiting