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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Calorie protein supplement Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gastrointestinal Hormonal Regulation of Obesity

NCT01146704
View directory record Official record
Conditions
Obesity
Interventions
Protein powder supplement, standard dosage based on 0.5 gram protein per pound of subject's lean body mass, Protein powder supplement, High Level Protein, based on 1 gram of protein per pound of lean body mass: 25% protein and 45% carbohydrate
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Sep 27, 2026, 12:56 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Prehabilitation for EOC, Fallopian Tube, Primary Peritoneal Carcinoma and Pancreatic Cancer w/ NACT

NCT06412510
View directory record Official record
Conditions
Ovarian Cancer, Epithelial Ovarian Cancer, Pancreatic Adenocarcinoma
Interventions
Prehabilitation
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
65 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Calorie Restriction, Protein Supplementation and Metabolic Health

NCT01538836
View directory record Official record
Conditions
Obesity, Menopause, Osteoporosis, Sarcopenia
Interventions
Weight loss with normal protein intake, Weight loss with protein supplementation
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 65 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 26, 2017 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Skeletal Muscle Response to Amino Acids and Load Carriage Exercise

NCT01714479
View directory record Official record
Conditions
Muscle Loss, Muscle Anabolism, Muscle Performance
Interventions
Leucine-enriched nutritional supplement, Placebo
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutritional Supplements for Exercise Recovery

NCT03510806
View directory record Official record
Conditions
Post-exercise Muscle Soreness
Interventions
Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Catherine Mikus
Industry
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
El Segundo, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional

OPTIMIzing muScle Preservation in paTients wIth Cirrhosis

NCT05367596
View directory record Official record
Conditions
Obesity, Compensated Cirrhosis, Sarcopenia
Interventions
Continuous Energy Restriction (CER), Alternate Day Modified Fasting (ADMF), Group Health Education Sessions, Late Evening Snack, Physical activity, Self-monitoring, Remotely Supervised Exercise Sessions
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 27, 2026, 12:56 AM EDT
Terminated Phase 2 Interventional

Assessment of Metabolic Response in Critically Ill Patients With Acute Renal Failure

NCT00179166
View directory record Official record
Conditions
Acute Renal Failure
Interventions
TPN nutritional supplement
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 26, 2010 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional

Effect of Protein Intake on Preterm Infant Body Composition

NCT02353013
View directory record Official record
Conditions
Premature; Infant, Light-for-dates
Interventions
Protein supplementation, Standard fortification
Dietary Supplement
Lead sponsor
University of Oklahoma
Other
Eligibility
1 Minute to 1 Year
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition Interventions for Cognitive Enhancement

NCT03841539
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Mediterranean Diet, Study Supplement, Low-fat Diet
Behavioral · Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years and older
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Results available

Utilizing Protein During Weight Loss to Impact Physical Function

NCT03074643
View directory record Official record
Conditions
Obesity, Weight Loss, Diet Modification, Aging, Weight Change, Body, Dietary Habits
Interventions
Weight loss intervention months 0-6, Exercise intervention months 0-6, Carbohydrate supplement for months 0-6, Protein supplement for months 0-6, Protein supplement for follow-up months 7-18
Behavioral · Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Results available

Utilizing Protein During Weight Loss to Impact Physical Function and Bone

NCT03819478
View directory record Official record
Conditions
Obesity, Weight Loss, Diet Modification, Aging, Weight Change, Body, Dietary Habits, Osteopenia, Osteoporosis, Bone Loss, Fractures, Bone
Interventions
Weight loss intervention months 0-6, Exercise intervention months 0-6, NutraBio™ CarboMax Supplement, 6-month NutraBio™ 100% Whey Protein Isolate Supplement, 18-month NutraBio™ 100% Whey Protein Isolate Supplement
Behavioral · Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional

The Effects of Perioperative Nutritional Optimization on Blood Markers

NCT04464161
View directory record Official record
Conditions
Intervertebral Disc Disorders With Radiculopathy, Lumbar Region
Interventions
Ensure
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Sep 27, 2026, 12:56 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Acute Ketone Supplementation on the Brain

NCT07711990
View directory record Official record
Conditions
Brain Health
Interventions
Ketone Ester Drink, Placebo
Dietary Supplement
Lead sponsor
Christopher Crabtree
Other
Eligibility
45 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 27, 2026, 12:56 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Supplements on Muscle Mass and Function While Using GLP-1 Medication

NCT07806838
View directory record Official record
Conditions
Obesity & Overweight, Muscle Mass and Strength, Muscle Function
Interventions
Whey Protein Supplementation, Maltodextrin Placebo Capsules, Mixed Spice Capsules
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional

Noninferiority Trial of Liquid Human Milk Fortifier (HMF) Hydrolyzed Protein Versus Liquid HMF With Supplemental Liquid Protein

NCT03001479
View directory record Official record
Conditions
Human Milk, Premature Birth of Newborn
Interventions
Similac Human Milk Fortifier Hydrolyzed Protein Concentrated Liquid
Dietary Supplement
Lead sponsor
St. Louis University
Other
Eligibility
Up to 2 Weeks
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Phase 2 Interventional

The Effects of Protein Supplementation and Resistance Exercise in Hemodialysis Patients

NCT00179140
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
nutritional supplementation, exercise
Drug · Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 24, 2015 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Caloric Restriction and Protein Intake on Metabolism and Anabolic Sensitivity

NCT02945410
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 18, 2019 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

NCT03515889
View directory record Official record
Conditions
Weight Loss
Interventions
Ideal Protein Weight Loss Method, Standard Weight Loss
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
22 Years to 79 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bogalusa, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Phase 3 Interventional

Anit-Inflammatory and Anti-Oxidative Nutrition in Dialysis Patients

NCT00561093
View directory record Official record
Conditions
Hypoalbuminemia, Protein-energy Malnutrition, Inflammation, Oxidative Stress, Chronic Kidney Disease (CKD) Hemodialysis
Interventions
pentoxiphylline, Nepro, anti-inflammatory module (similar to Oxepa), Placebo pill imitating pentoxiphylline, Placebo to imitate Nepro, Placebo to imitate anti-inflammatory module (similar to Oxepa)
Drug · Dietary Supplement
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Irvine, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated May 20, 2015 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Time-Restricted Feeding Plus Resistance Training in Active Females

NCT03404271
View directory record Official record
Conditions
Healthy Active Females
Interventions
Beta-hydroxy beta-methylbutyrate, Resistance Training, Protein Supplementation, Time-Restricted Feeding
Dietary Supplement · Other · Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Sep 27, 2026, 12:56 AM EDT
Recruiting Not applicable Interventional

Effect of Nicotinamide Riboside on Ketosis, Fat Oxidation & Metabolic Rate

NCT06044935
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Standard Diet, Ketogenic Diet, Placebo, Nicotinamide Riboside
Other · Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 27, 2026, 12:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Targeted Nutrition for Moderate to Late Preterm Infants

NCT05515614
View directory record Official record
Conditions
Premature Birth, Breastmilk Collection, Postnatal Growth Restriction
Interventions
Targeted Fortification, Enfamil Liquid Human Milk Fortifier
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
Not listed
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Sep 27, 2026, 12:56 AM EDT
Terminated Phase 2 Interventional

Complementary Intradialytic Nutritional Supplementation in Dialysis Patients

NCT00179205
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Nepro nutritional supplement, placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 5, 2008 · Synced Sep 27, 2026, 12:56 AM EDT
Terminated Not applicable Interventional

Surgical vs. Lifestyle in Obese Older Adults

NCT03137329
View directory record Official record
Conditions
Obesity
Interventions
Exercise program, Nutrition, WLS
Behavioral · Dietary Supplement · Procedure
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
55 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Sep 27, 2026, 12:56 AM EDT