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These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 7, 2026, 8:44 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 505–528 of 871 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: No diet Clear all

Conditions: Nonalcoholic Fatty Liver Disease, Hepatic Steatosis, Steatohepatitis
Interventions: Optifast 800; Dietary Supplement
Lead sponsor: Dartmouth-Hitchcock Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 65 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2016
U.S. locations: 3
States / cities: Worcester, Massachusetts • Lebanon, New Hampshire • Burlington, Vermont

Conditions: Kidney Transplant; Complications, Liver Transplant; Complications, Obesity
Interventions: Self-monitoring of physical activity with incentives, Usual care and self-monitoring of physical activity; Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older
Enrollment: 127 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2018
U.S. locations: 2
States / cities: Chicago, Illinois • Philadelphia, Pennsylvania

Conditions: Obesity, Sleep, Weight, Body, Eating Behavior, Blood Pressure, Quality of Life
Interventions: Sleep Extension; Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years to 50 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Hypoactive Sexual Desire Disorder (HSDD), Low Libido, Female Sexual Dysfunction (FSD)
Interventions: Acupuncture; Procedure
Lead sponsor: TriHealth Inc.; Other
Eligibility: 18 Years to 55 Years · Female only
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Healthy Lifestyle
Interventions: Red meat-based meal, No meat diet; Other
Lead sponsor: South Dakota State University; Other
Eligibility: 65 Years and older
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Brookings, South Dakota

Conditions: Dysbiosis
Interventions: Screening Criteria Review, Pre-Travel Questionnaire, Pre-Travel Stool Specimen Collection, Short-Term Post-Travel Questionnaire, Short-Term Post-Travel Stool Specimen Collection, Long-Term Post-Travel Questionnaire, Long-Term Post-Travel Stool Specimen Collection; Other
Lead sponsor: Emory University; Other
Eligibility: 18 Years and older
Enrollment: 10 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 2
States / cities: Atlanta, Georgia

Conditions: Chronic Kidney Disease
Interventions: Education, Daily weight measurement and monitoring, Universal Dietary education, Medication review, Focused advanced directive program, Countdown to fistula program; Other
Lead sponsor: Northwell Health; Other
Eligibility: 18 Years and older
Enrollment: 130 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2016
U.S. locations: 1
States / cities: Great Neck, New York

Conditions: Multiple Myeloma, Heart Disease Risk Factors
Interventions: Oncology-Embedded Cardiovascular Risk Assessment Pathway, Primary Care Provider-Directed Cardiovascular Risk Assessment Pathway; Other
Lead sponsor: University of Vermont Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 33 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2028
U.S. locations: 1
States / cities: Burlington, Vermont

Conditions: Obesity
Interventions: Blueberry Smoothie, Sham Smoothie; Other
Lead sponsor: Children's Hospital Medical Center, Cincinnati; Other
Eligibility: 12 Years to 17 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Crohn Disease
Interventions: DAIN; Other
Lead sponsor: University of Massachusetts, Worcester; Other
Eligibility: 21 Years to 65 Years
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2026
U.S. locations: 1
States / cities: Worcester, Massachusetts

Conditions: Diabetes, Overweight
Interventions: vegan instruction and food accessibility, control; Other
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years to 70 Years
Enrollment: 292 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 10
States / cities: Tucson, Arizona • San Diego, California • Lakeland, Florida + 7 more

Conditions: Pancreatic Cancer, Malnutrition
Interventions: Ensure Max Protein; Dietary Supplement
Lead sponsor: Thomas Jefferson University; Other
Eligibility: 18 Years and older
Enrollment: 22 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Frailty
Interventions: Habit Formation, Education; Behavioral
Lead sponsor: Wayne State University; Other
Eligibility: 55 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Detroit, Michigan

Conditions: Hereditary Breast Carcinoma, Hereditary Ovarian Carcinoma, Lynch Syndrome
Interventions: Behavioral Dietary Intervention, E-mail, Exercise Intervention, Health Promotion and Education, Internet-Based Intervention, Questionnaire Administration, Telephone-Based Intervention; Behavioral · Other
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 384 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2028
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Insulin Resistance, Metabolic Syndrome, Obesity, Diabetes, NAFLD, Inflammation
Interventions: Limited dairy diet, Low-fat dairy diet, Full-fat dairy diet; Other
Lead sponsor: Fred Hutchinson Cancer Center; Other
Eligibility: 18 Years to 75 Years
Enrollment: 72 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Mental Fatigue
Interventions: Caffeinated cocoa, Cocoa, Caffeine, Placebo; Other
Lead sponsor: University of Georgia; Other
Eligibility: 18 Years to 34 Years
Enrollment: 24 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Athens, Georgia

Conditions: Appetite, Weight Loss
Interventions: Higher Protein (HP), Lower Protein (LP); Other
Lead sponsor: Purdue University; Other
Eligibility: 21 Years and older · Female only
Healthy volunteers: Accepts healthy volunteers
U.S. locations: 1
States / cities: West Lafayette, Indiana

Conditions: Pancreatic Cancer
Interventions: medical chart review, questionnaire administration, study of socioeconomic and demographic variables, biopsy; Other · Procedure
Lead sponsor: University of Nebraska; Other
Eligibility: 19 Years to 100 Years
Enrollment: 379 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2003 – 2013
U.S. locations: 1
States / cities: Omaha, Nebraska

Conditions: Aging, Weight Loss, Treatment Adherence
Interventions: Dial Health Research Study; Other
Lead sponsor: Pennington Biomedical Research Center; Other
Eligibility: 25 Years to 45 Years
Enrollment: 90 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2025
U.S. locations: 2
States / cities: Birmingham, Alabama • Baton Rouge, Louisiana

Conditions: Overweight and Obesity
Interventions: Behavioral Intervention; Behavioral
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years to 60 Years
Enrollment: 254 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2011
U.S. locations: 2
States / cities: Oxnard, California • Watsonville, California

Conditions: Fetal Growth Restriction
Interventions: Left lateral recumbent positioning; Behavioral
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 18 Years to 65 Years · Female only
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 2
States / cities: Aurora, Colorado • Denver, Colorado

Conditions: Obesity
Interventions: High palmitate or high oleate diet.; Dietary Supplement
Lead sponsor: University of Vermont; Other
Eligibility: 18 Years to 40 Years
Enrollment: 70 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2015
U.S. locations: 1
States / cities: Burlington, Vermont

Conditions: Breast Cancer Survivor, Cancer Related Cognitive Difficulties, Sleep, Quality of Life
Interventions: Prolonged Nightly Fasting, Health Education Videos; Behavioral
Lead sponsor: Arizona State University; Other
Eligibility: 18 Years and older
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Phoenix, Arizona

Conditions: Phenylketonuria
Interventions: MRI; Other
Lead sponsor: Boston Children's Hospital; Other
Eligibility: 18 Years to 55 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Boston, Massachusetts

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A Phase II Study of the Effect of a Low Calorie Diet on Patients Undergoing Liver Resection

Project LIFT - Promoting Healthy Behavior Through a Wearable Fitness Device and Financial Incentives

A Sleep Extension Pilot Study in Adults With Obesity

Acupuncture for Sexual Dysfunction

Effect of Minimally Processed Animal Protein on Biomarkers for Cognitive Decline

A Pilot Study Assessing Intestinal Microbiota Diversification and Changes After Travel to South(East) Asia From the US

Healthy Transitions in Late Stage Kidney Disease

MM-CARE: Cardiovascular Risk Assessment in Adults With Multiple Myeloma

The Health Effects of a Blueberry Enriched Diet on Obese Children

A Culturally Tailored Dietary Intervention to Treat Crohn's Disease

Multicenter Worksite Nutrition Study

Whipple Protein Study

Supporting Habit Formation to Attenuate Prefrailty in Elders: Pilot Study

Weight Management and Health Behavior Intervention in Lowering Cancer Risk for BRCA Positive and Lynch Syndrome Families

The Impact of Low-fat and Full-fat Dairy Consumption on Glucose Homeostasis (DAIRY Study)

Effect of Phytochemicals From Theobroma Cacao on Mental Energy

Dietary Pork, Appetite and Weight Loss in Human

Pancreatic Cancer Collaborative Registry

DiAL Health Research Study

Assessment of an Intervention to Prevent Obesity and Diabetes in Latino Farm Workers

Maternal Left Lateral Position in Fetal Growth Restriction

Saturated Fat Versus Monounsaturated Fat and Insulin Action

The RolE of Prolonged Nightly faSTing to Improve Sleep and cOgnition in bREast Cancer Survivors

The Brain, Neurological Features and Neuropsychological Functioning in Adults With Phenylketonuria: A Pilot Study