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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Meals to Improve Absorption of Iron Supplements

NCT04793906
Conditions
Iron-deficiency, Iron Deficiency Anemia, Iron Deficiency Anemia Treatment
Interventions
Iron supplement with a lunch meal containing beef, Iron supplement with a lunch meal containing plant-based alternative
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers Results available

Interaction Between Cannabidiol, Meal Ingestion, and Liver Function

NCT04971837
Conditions
Metabolism, Liver Function, Pharmacokinetics
Interventions
Cannabidiol (CBD) powder formulation, Cannabidiol (CBD) Oil based tincture formulation, Cannabidiol (CBD) Gum Arabic, maltodextrin base formulation, Cannabidiol (CBD) Gum Arabic, sorbitol base formulation, Cannabidiol (CBD) Isolate in water formulation, CBD matching Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Metabolic Health, Elevated Liver Enzymes, Digestive Symptoms
Interventions
Plant-Based Liquid Supplement
Dietary Supplement
Lead sponsor
Biocol Labs
Industry
Eligibility
40 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Conditions
Obesity, Diabetes Mellitus, Type 2
Interventions
Meal replacement system, Intensive lifestyle Intervention
Dietary Supplement · Behavioral
Lead sponsor
Loma Linda University
Other
Eligibility
25 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Loma Linda, California
Conditions
Cancer, Inflammation, Microbiome, Immune Function
Interventions
Whole Foods Plant-Based Diet, Usual Firehouse Diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Prostate Cancer
Interventions
Whole-food, Plant-Based Diet, General Nutritional Counseling
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 99 Years · Male only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Baltimore, Maryland • New York, New York
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Complex Effects of Dietary Manipulation on Metabolic Function, Inflammation and Health

NCT02706262
Conditions
Obesity, Insulin Resistance
Interventions
Metabolically abnormal obese - Mediterranean diet, Metabolically abnormal obese - Low carbohydrate ketogenic diet, Metabolically abnormal obese - Plant-based, very-low-fat diet, Annual Follow-up Visits
Other · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Colorectal Cancer
Interventions
High taurine and saturated fat diet, Low in taurine and saturated fat diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
45 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Monoclonal Gammopathy of Undetermined Significance, Smoldering Multiple Myeloma
Interventions
Plant based meals
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Conditions
Healthy, Impaired Glucose Tolerance
Interventions
Dietary supplement regimen, Dietary supplement and intermittent fasting regimen
Dietary Supplement · Other
Lead sponsor
Unicity International, Inc.
Industry
Eligibility
30 Years to 69 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Nutritious Eating With Soul Dissemination and Implementation

NCT05659966
Conditions
Nutrition, Healthy, Eating Behavior
Interventions
Plant-based diet, Voucher only
Behavioral · Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, South Carolina
Conditions
Clonal Hematopoiesis
Interventions
high-fiber plant-based meals, fermented foods, supplements, surveys
Other · Dietary Supplement
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Impact of Dietary Intervention on Inflammation and Microbiome Composition Post-Colonoscopy

NCT06603519
Conditions
Colorectal Polyp, Inflammation, Dietary Intervention, Microbiota, Colorectal Neoplasms, Metabolomics
Interventions
Modified Plant-Based Mediterranean Diet
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Diego, California
Conditions
NAFLD (Nonalcoholic Fatty Liver Disease)
Interventions
Mediterranean diet (MED), high-fat/low carb diet (HF/LC), and low-fat diet (LF), The integrated sweat sensor and vascular sensor (wearable), continuous glucose monitor (CGM)
Dietary Supplement · Device
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Active, not recruiting Not applicable Interventional

Nutritional Intervention for Endometriosis

NCT05175248
Conditions
Endometriosis
Interventions
Plant-based Intervention Group
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Examining the Effects of Juice Fasting

NCT03647449
Conditions
Epigenetics, Microbiome
Interventions
Juice, Caloric restriction via Plant-based meals, Plant-based meal
Dietary Supplement · Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Meal Frequency, Dietary Habits, Muscle Protein Synthesis
Interventions
Animal-based Protein Foods, Skewed Protein Distribution, Plant-based Protein Foods, Balanced Protein Distribution
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Impact of a Plant-Based Diet for Diabetes Prevention

NCT06571279
Conditions
Prediabetes (Insulin Resistance, Impaired Glucose Tolerance)
Interventions
Plant-based diet
Other
Lead sponsor
Jean L. Fry
Other
Eligibility
30 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Health, Recreational Activities, Muscle Protein Synthetic Response to Protein, Muscle Protein Synthesis
Interventions
Resistance Exercise, Isolated Mixture, Rice and Beans
Behavioral · Dietary Supplement · Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 35 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Urbana, Illinois
Conditions
Obesity, Insulin Resistance
Interventions
Weight loss with very low fat plant-based diet and regular exercise
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Withdrawn Not applicable Interventional

HEART Kitchen Pilot

NCT07037121
Conditions
Cardiovascular Diseases, Type 2 Diabetes, Obesity and Obesity-related Medical Conditions
Interventions
Whole Food Plant Based Diet Jumpstart
Behavioral
Lead sponsor
Reya Andrews
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Chronic Kidney Disease Stage 3B, Chronic Kidney Disease, Stage 4, Proteinuria
Interventions
whole food, plant-based diet
Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, New York
Conditions
Physical Performance Parameters, Exercise Recovery, Cognition, Muscle Damage, Blood Biomarkers, Stress
Interventions
Beef-Based Protein Ready-to-Eat Meals, Plant-Based Protein Ready-to-Eat Meals
Other
Lead sponsor
Sam Houston State University
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
Fort Worth, Texas • Huntsville, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention and Varying Physical Activity in Seniors

NCT01893684
Conditions
Obesity
Interventions
Exercise, Higher Protein Diet, Conventional Carbohydrate Diet
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
65 Years to 80 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Athens, Georgia