- Conditions
- Biological Markers, Diet, Healthy, Metabolomics, Nutrition, Healthy
- Interventions
- Pharmacokinetic (PK)- Controlled Feeding Diet, Dose Response (DR)- Controlled Feeding Diet
- Other
- Lead sponsor
- Harvard School of Public Health (HSPH)
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 115 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 84
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Healthy
- Interventions
- TMAO dietary precursors, Control (or active comparator)
- Other
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 21 Years to 50 Years · Male only
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2016
- U.S. locations
- 2
- States / cities
- Ithaca, New York
- Conditions
- Inflammation
- Interventions
- vegetarian burger, beef burger
- Other
- Lead sponsor
- Loma Linda University
- Other
- Eligibility
- 21 Years to 55 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Loma Linda, California
- Conditions
- Laceration of Hand, Laceration of Forearm
- Interventions
- Absorbable Surgical Gut Suture material, Non-absorbable Nylon Suture Material
- Device
- Lead sponsor
- Kenneth Taylor, M.D.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Hershey, Pennsylvania
- Conditions
- Inflammatory Bowel Diseases, Ulcerative Colitis, Crohn Disease
- Interventions
- Serum bovine immunoglobulin, Placebo
- Dietary Supplement
- Lead sponsor
- Monisha Hitesh Shah
- Other
- Eligibility
- 6 Years to 30 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2025
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Influenza
- Interventions
- High-Fiber Diet (HFD), Prebiotic Food-Enriched Diet (PreFED)
- Dietary Supplement
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 31 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2029
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Testosterone
- Interventions
- Heart and Soil's Whole Package
- Dietary Supplement
- Lead sponsor
- Efforia, Inc
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Healthy
- Interventions
- High Meat - High Potential Renal Acid Load (PRAL) diet, Low Protein - Low Potential Renal Acid Load (PRAL) diet
- Other
- Lead sponsor
- USDA Grand Forks Human Nutrition Research Center
- Federal
- Eligibility
- 40 Years to 75 Years · Female only
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
- Conditions
- Diet Intervention
- Interventions
- Lean (≥90%) Grass-Fed Beef, Lean (≥90%) Grain-Fed Beef, Plant-Based Meat
- Other
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- Conditions
- Metabolic Syndrome, Cardiovascular Disease
- Interventions
- BOLD Diet, BOLD-X Diet, Modified DASH Diet
- Dietary Supplement
- Lead sponsor
- Penn State University
- Other
- Eligibility
- 30 Years to 60 Years
- Enrollment
- 63 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- University Park, Pennsylvania
- Conditions
- Diet Modification, Lung Cancer
- Interventions
- Special Diet Therapy (low-carb), Special Diet Therapy (low-fat), Special Diet Therapy (USDA control)
- Behavioral
- Lead sponsor
- Fred Hutchinson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Microbiome, Immune Function, Cardiovascular Diseases
- Interventions
- Meat products, Plant Alternative products
- Behavioral
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 38 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Healthy, Cardiovascular Disease, Atherogenic Dyslipidemia
- Interventions
- High Carbohydrate, High Saturated Fat Diet, Low Carbohydrate, High Saturated Fat Diet, Low Carbohydrate, Low Saturated Fat Diet
- Other
- Lead sponsor
- UCSF Benioff Children's Hospital Oakland
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 67 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Berkeley, California
- Conditions
- Cardiovascular Disease, Diabetes, Dyslipidemia
- Interventions
- Man-made Trans FA, Natural Trans FA, Oleic Acid
- Dietary Supplement
- Lead sponsor
- UCSF Benioff Children's Hospital Oakland
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2006
- U.S. locations
- 1
- States / cities
- Oakland, California
- Conditions
- Protein Metabolism
- Interventions
- Beef, Tofu, Placebo
- Other
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 65 Years to 95 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- College Station, Texas
- Conditions
- Type 2 Diabetes Mellitus in Obese
- Interventions
- NDPR diet, USDA healthy eating diet
- Other
- Lead sponsor
- Beth Israel Deaconess Medical Center
- Other
- Eligibility
- 18 Years to 75 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Healthy
- Interventions
- C-13 labeled Lysine, Normal saline
- Drug
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 2 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Omega 3 Fatty Acids
- Interventions
- Pastured Livestock Diet, Conventional Livestock Diet
- Dietary Supplement
- Lead sponsor
- Utah State University
- Other
- Eligibility
- 30 Years to 65 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Logan, Utah
- Conditions
- Diet Modification
- Interventions
- Controlled Lacto-ovo vegetarian diet, Controlled Unprocessed red meat diet, Controlled processed red meat diet
- Other
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 20 Years to 35 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Eosinophilic Esophagitis
- Interventions
- Allergy Patch Testing
- Device
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- 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
- Conditions
- Protein, Diet, Skeletal Muscle
- Interventions
- PRO-A, PRO-B, PRO-C
- Other
- Lead sponsor
- The University of Texas Medical Branch, Galveston
- Other
- Eligibility
- 45 Years to 60 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Galveston, Texas
- Conditions
- Rheumatoid Arthritis (RA), Crohn's Disease (CD), Ulcerative Colitis (UC)
- Interventions
- Ketogenic diet, Carnivore (Lion) Diet
- Behavioral
- Lead sponsor
- Fuller Research Foundation
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 160 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Charlottesville, Virginia
- Conditions
- Protein Metabolism
- Interventions
- Red kidney bean intake, Eggs intake, Peanut butter intake, Ground beef intake, Intact beef intake
- Other
- Lead sponsor
- University of Arkansas
- Other
- Eligibility
- 20 Years to 40 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Little Rock, Arkansas