- Conditions
- Aging
- Interventions
- Probiotic capsule and Fiber Sachet, Probiotic capsule and Placebo sachet, Placebo capsule and Fiber Sachet, Placebo capsule and Placebo sachet
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 65 Years and older · Female only
- Enrollment
- 29 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015
- U.S. locations
- 2
- States / cities
- Gainesville, Florida • Ocala, Florida
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 188
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Obesity, Normal Physiology, Healthy Volunteers
- Interventions
- +200% of dietary requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, fasting, -50% of energy balance requirements. 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +200% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein, -25% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein
- Dietary Supplement
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Phoenix, Arizona
- Conditions
- Overweight
- Interventions
- High protein, high fiber dietary supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Beachbody
- Industry
- Eligibility
- 25 Years to 50 Years
- Enrollment
- 206 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Primary Sclerosing Cholangitis
- Interventions
- Dietary Intervention
- Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Obesity
- Interventions
- Weight maintenance with normal protein intake, Weight maintenance with protein restriction
- Behavioral
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Osteoporosis, Sarcopenia
- Interventions
- potassium bicarbonate, Placebo (microcrystalline cellulose)
- Dietary Supplement
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Obesity, Women (Between 30 to 60 Years Old)
- Interventions
- Protein Rich Foods
- Behavioral
- Lead sponsor
- University of Texas at Austin
- Other
- Eligibility
- 30 Years to 60 Years · Female only
- Enrollment
- 75 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 2
- States / cities
- Austin, Texas
- Conditions
- Atherosclerosis
- Interventions
- Standard meal, High animal protein meal, High plant protein meal, High plant protein meal with additional leucine
- Other
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 45 Years to 75 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2028
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- Conditions
- Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Stage I Colorectal Cancer AJCC v8, Stage I Prostate Cancer AJCC v8, Stage II Colorectal Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage III Prostate Cancer AJCC v8
- Interventions
- Exercise Intervention, Informational Intervention, Nutritional Assessment, Physical Performance Testing, Quality-of-Life Assessment, Questionnaire Administration
- Other
- Lead sponsor
- Ohio State University Comprehensive Cancer Center
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 75 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Premature Infants
- Interventions
- Not listed
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 18 Months to 24 Months
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2027
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Weight Loss, Muscle Loss, Bone Loss
- Interventions
- Dietary Protein Intake
- Other
- Lead sponsor
- United States Army Research Institute of Environmental Medicine
- Federal
- Eligibility
- 18 Years to 42 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
- Conditions
- Hypercholesterolemia
- Interventions
- Diet: soybeans and products made thereof, Diet: soybean flour and products made thereof, Diet: soybean milk, Diet: Animal protein based diet
- Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2005
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts
- 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
- End-Stage Renal Disease, Malnutrition
- Interventions
- Plant based high protein food items
- Dietary Supplement
- Lead sponsor
- Ochsner Health System
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 2
- States / cities
- Baton Rouge, Louisiana
- Conditions
- Low Protein Dietary Intake, High Protein Dietary Intake
- Interventions
- Meal Patterning
- Other
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 21 Years and older · Male only
- Enrollment
- 13 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Metabolic Syndrome
- Interventions
- Higher protein, low glycemic load diet
- Dietary Supplement
- Lead sponsor
- University of Arkansas, Fayetteville
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2025
- U.S. locations
- 1
- States / cities
- Fayetteville, Arkansas
- Conditions
- Obesity
- Interventions
- High Protein Diet, Resistance Training
- Behavioral
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 89 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Muscle Protein Synthetic Response to Protein, Muscle Protein Synthesis, Muscle Health, Protein Metabolism, Recreational Activities, Isotope Labeling
- Interventions
- Resistance Exercise, Potato and Beef, Bread and Beef, Beef
- Behavioral · Dietary Supplement
- Lead sponsor
- University of Illinois at Urbana-Champaign
- Other
- Eligibility
- 19 Years to 40 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Urbana, Illinois
- Conditions
- Weight Loss, Starvation
- Interventions
- Caloric Restriction, Protein, Exercise, Calcium and Vitamin D, Maltodextrin
- Other · Dietary Supplement
- Lead sponsor
- University of Nebraska Lincoln
- Other
- Eligibility
- 19 Years to 30 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Lincoln, Nebraska
- Conditions
- Obesity, Inflammation
- Interventions
- high protein diet, high carbohydrate diet
- Dietary Supplement
- Lead sponsor
- University of Tennessee
- Other
- Eligibility
- 20 Years to 50 Years · Female only
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2013
- U.S. locations
- 1
- States / cities
- Memphis, Tennessee
- Conditions
- Prediabetes / Type 2 Diabetes
- Interventions
- Whey Protein Isolate Crossover, Placebo
- Dietary Supplement
- Lead sponsor
- University of Arkansas
- Other
- Eligibility
- 50 Years to 70 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Little Rock, Arkansas
- Conditions
- Healthy
- Interventions
- High-fiber, low-protein diet, Low-fiber, high-protein diet
- Other
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 2
- States / cities
- Rochester, Minnesota
- Conditions
- Dietary Proteins
- Interventions
- High Protein Diet, Low Protein Diet
- Behavioral
- Lead sponsor
- USDA Grand Forks Human Nutrition Research Center
- Federal
- Eligibility
- 50 Years to 80 Years · Female only
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2003 – 2005
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
- Conditions
- Aging
- Interventions
- Resistance Training Exercise, Beef Protein Consumption
- Behavioral
- Lead sponsor
- University of Illinois at Urbana-Champaign
- Other
- Eligibility
- 40 Years to 64 Years
- Enrollment
- 41 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Urbana, Illinois