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ClinicalTrials.gov public records Last synced Nov 7, 2026, 2:47 PM 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 721–744 of 871 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: No diet Clear all

Conditions: Healthy
Interventions: Cricket Protein Powder, Placebo control; Dietary Supplement · Other
Lead sponsor: Colorado State University; Other
Eligibility: 18 Years to 65 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017
U.S. locations: 1
States / cities: Fort Collins, Colorado

Conditions: Pulmonary Aspiration
Interventions: GLP-1 RA users with prolonged fasting instructions, GLP-1 RA users with standard NPO instructions; Other
Lead sponsor: The University of Texas Health Science Center, Houston; Other
Eligibility: 18 Years and older
Enrollment: 136 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Healthy
Interventions: No intervention; Other
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 30 Years to 44 Years · Female only
Enrollment: 843 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2016
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Obesity, Mental Disorders, Severe
Interventions: ACHIEVE; Behavioral
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years and older
Enrollment: 17 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Diabetes
Interventions: Intermittent Fasting, Free-Living Diet, Left Arm Exercise, Right Arm Exercise; Other
Lead sponsor: University of the Pacific; Other
Eligibility: 18 Years to 65 Years
Enrollment: 46 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019
U.S. locations: 1
States / cities: Stockton, California

Conditions: Shwachman-Diamond Syndrome
Interventions: Oral Glucose Tolerance Test, Modified Oral Glucose Tolerance Test, Modified Mixed Meal Tolerance Test, Continuous Glucose Monitor, Food Diary, Medical History Questionnaires; Diagnostic Test · Other · Device
Lead sponsor: Washington University School of Medicine; Other
Eligibility: 3 Years and older
Enrollment: 11 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: St Louis, Missouri

Conditions: Obesity
Interventions: High Protein, Low Protein; Behavioral
Lead sponsor: University of Missouri-Columbia; Other
Eligibility: 13 Years to 19 Years
Enrollment: 37 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Columbia, Missouri

Conditions: Diabetic Neuropathy
Interventions: Vegan diet and vitamin B12 supplement, Vitamin B12 supplement; Other · Dietary Supplement
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years to 65 Years
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Obesity, Blood Glucose, High
Interventions: Micronutrient-dense plant-rich Intervention; Behavioral
Lead sponsor: Northern Arizona University; Other
Eligibility: 18 Years and older
Enrollment: 146 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Flagstaff, Arizona

Conditions: HIV Infections, HIV Wasting Syndrome
Interventions: Multivitamin and mineral supplements, Peptamen, NuBasics; Dietary Supplement
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Eligibility: 13 Years and older
Enrollment: 536 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1996 – 1998
U.S. locations: 17
States / cities: San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 11 more

Conditions: Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm
Interventions: omega-3 fatty acid; Dietary Supplement
Lead sponsor: Alliance for Clinical Trials in Oncology; Other
Eligibility: 18 Years to 120 Years
Enrollment: 63 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1995 – 2004
U.S. locations: 5
States / cities: Wilmington, Delaware • Iowa City, Iowa • Manhasset, New York + 2 more

Conditions: Cancer, Skin Fibroblasts, Muscle Weakness
Interventions: Nicotinamide Riboside (NR); Dietary Supplement
Lead sponsor: National Heart, Lung, and Blood Institute (NHLBI); NIH
Eligibility: 18 Years to 70 Years
Enrollment: 1 participant
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Stage 2 Cardiovascular-Kidney-Metabolic Syndrome, Cardiovascular Disease Other
Interventions: Dietary changes via Instacart vouchers, Dietary changes via access to Mid-Ohio Farmacy, Behavior changes via access to Health Impact Ohio Hub, Behavioral nutrition counseling, Cooking classes, Dietary changes to Delivery fees; Other
Lead sponsor: Ohio State University; Other
Eligibility: 18 Years and older
Enrollment: 106 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Obesity, Insulin Resistance
Interventions: Mediterranean diet, Low-carbohydrate, ketogenic diet, Low-fat diet, Annual follow-up testing for 5 years; Behavioral · Other
Lead sponsor: Washington University School of Medicine; Other
Eligibility: 18 Years to 55 Years
Enrollment: 300 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2029
U.S. locations: 1
States / cities: St Louis, Missouri

Conditions: Cortical Dysplasia
Interventions: Classical ketogenic diet; Dietary Supplement
Lead sponsor: University College, London; Other
Eligibility: 3 Years to 15 Years
Enrollment: 3 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2017
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Vitamin D Deficiency
Interventions: Vitamin D-enriched mushrooms, Study Powder; Other
Lead sponsor: Purdue University; Other
Eligibility: 30 Years to 69 Years
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2024
U.S. locations: 1
States / cities: West Lafayette, Indiana

Conditions: Waist, Hypertriglyceridemic
Interventions: Dietary Lentil Intake, No Dietary Lentil CONTROL; Behavioral
Lead sponsor: Montana State University; Other
Eligibility: 18 Years to 70 Years
Enrollment: 35 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019
U.S. locations: 1
States / cities: Bozeman, Montana

Conditions: Obesity
Interventions: Internet-based weight loss program, Brief phone coaching, Extended phone coaching; Behavioral
Lead sponsor: The Miriam Hospital; Other
Eligibility: 18 Years to 70 Years
Enrollment: 452 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2023
U.S. locations: 1
States / cities: Providence, Rhode Island

Conditions: Anorexia Nervosa
Interventions: Metabolic Diet; Dietary Supplement
Lead sponsor: Icahn School of Medicine at Mount Sinai; Other
Eligibility: 18 Years to 40 Years · Female only
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2026
U.S. locations: 1
States / cities: New York, New York

Conditions: Metabolic Syndrome
Interventions: Professional nutrition counseling, No professional nutrition counseling; Other
Lead sponsor: Madigan Army Medical Center; Federal
Eligibility: 18 Years to 45 Years
Enrollment: 138 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: Tacoma, Washington

Conditions: Kidney Replacement
Interventions: Exercise and diet, No Intervention: Usual Care; Behavioral · Other
Lead sponsor: University of New Mexico; Other
Eligibility: 18 Years and older
Enrollment: 23 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2023
U.S. locations: 1
States / cities: Albuquerque, New Mexico

Conditions: Celiac Disease
Interventions: No Intervention; Other
Lead sponsor: Takeda; Industry
Eligibility: 12 Years and older
Enrollment: 480 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: Lexington, Massachusetts

Conditions: Mild Cognitive Impairment
Interventions: [11C]Acetoacetate[18F]Fluorodeoxyglucose positron emission tomography scan; Other
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 50 Years to 85 Years
Enrollment: 42 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2024
U.S. locations: 1
States / cities: Winston-Salem, North Carolina

Conditions: Fatigue, Physical Activity, Lupus Erythematosus, Systemic
Interventions: Experimental, Control; Behavioral · Other
Lead sponsor: Northwestern University; Other
Eligibility: 18 Years to 80 Years
Enrollment: 200 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2027
U.S. locations: 2
States / cities: Chicago, Illinois

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What's Hopping? Cricket Protein and Human Gut Microbiota

Protective Benefits of a Clear Liquid Diet on Residual Gastric Content in Patients Taking Glucagon Like Peptide-1 Receptor (GLP-1 RA) Agonist Prior to Anesthesia

Time to Conceive: A Study of Fertility

Adapted ACHIEVE Curriculum for Community Mental Health Settings

Blood Glucose Differences Between Left Arm and Right Arm Using a Continuous Glucose Monitor

Diabetes/ Endocrine Surveillance in SDS

The Beneficial Effects of Healthy Snacks on Appetite Control, Satiety, and Reward-driven Eating Behavior in Young People

A Nutritional Intervention for Diabetic Neuropathy

A Culturally-relevant Micronutrient-dense Plant-rich (mNDPR) Dietary Intervention for Native Americans

A Comparison of Two Caloric Supplements in the Prevention of Weight Loss in Patients With AIDS Who Take Daily Multivitamin and Mineral Supplements

Omega-3 Fatty Acids in Treating Patients With Advanced Cancer Who Have Significant Weight Loss

Nicotinamide Riboside on Mitochondrial Function in Li-Fraumeni Syndrome

SUSTAIN: Behavior Change and Nutrition Security for CKMS

Precision Nutrition and Metabolic Function

Evaluating Dietary Intervention Before surgicaL Treatment for Epilepsy

Effects of Vitamin D-Enriched Mushrooms on Vitamin D Status and Immune Function and Inflammatory Status in Adults

Dietary Incorporation of Lentils to Improve Metabolic Health

Phone Coaching and Internet-delivered Weight Loss

Metabolic Diet for Relapse Prevention in Anorexia Nervosa

Precision Nutrition Impact on Health-Related Behavior Change

Pilot of IMPACT Intervention at the University of New Mexico

Virtual Celiac Symptoms Study in Adults and Teenagers

Biodistribution of [11C]Acetoacetate/[18F]Fluorodeoxyglucose in Subjects With Risk Factors for Alzheimer's Disease

Lupus Intervention for Fatigue Trial