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ClinicalTrials.gov public records Last synced Oct 2, 2026, 2:51 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–44 of 44 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: non-protein placebo supplement Clear all

Conditions: Hyperglycemia
Interventions: Sitagliptin, Placebo, Regular Human Insulin, Insulin glargine, Supplemental insulin (Insulin lispro), Supplemental insulin (Insulin aspart); Drug
Lead sponsor: Emory University; Other
Eligibility: 18 Years to 80 Years
Enrollment: 202 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2018
U.S. locations: 3
States / cities: Atlanta, Georgia

Conditions: COVID-19
Interventions: chlorine dioxide, zinc acetate, Famotidine, placebo, lactoferrin, green tea extract; Other · Dietary Supplement · Drug
Lead sponsor: Profact, Inc.; Other
Eligibility: 20 Years to 70 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: Tempe, Arizona

Conditions: Ketosis Prone Diabetes
Interventions: Citrulline, Alanine; Dietary Supplement
Lead sponsor: Baylor College of Medicine; Other
Eligibility: 20 Years to 65 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2022
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Insomnia, Nocturnal Awakening, Irritability, Coping Behavior, Stress
Interventions: 5-Aminolevulinic Acid (5-ALA), Placebo; Dietary Supplement
Lead sponsor: University of Hawaii; Other
Eligibility: 40 Years to 70 Years
Enrollment: 85 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012
U.S. locations: 1
States / cities: Honolulu, Hawaii

Conditions: Coronary Artery Disease
Interventions: Sitagliptin, Placebo, Regular Human Insulin, Insulin glargine, Supplemental insulin (Insulin lispro), Supplemental insulin (Insulin aspart); Drug
Lead sponsor: Emory University; Other
Eligibility: 18 Years to 80 Years
Enrollment: 68 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016
U.S. locations: 4
States / cities: Atlanta, Georgia

Conditions: Covid19
Interventions: Essential amino acids, Maltodextrin; Drug · Dietary Supplement
Lead sponsor: University of Arkansas; Other
Eligibility: 55 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021
U.S. locations: 1
States / cities: Little Rock, Arkansas

Conditions: Parkinson Disease, Idiopathic
Interventions: Amino acid supplement, Whey Protein Supplement, Isonitrogenous Placebo Supplement; Drug · Dietary Supplement
Lead sponsor: UConn Health; Other
Eligibility: 55 Years and older
Enrollment: 3 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025
U.S. locations: 1
States / cities: Farmington, Connecticut

Conditions: Amyotrophic Lateral Sclerosis
Interventions: creatine, tamoxifen; Drug
Lead sponsor: Nazem Atassi; Other
Eligibility: 18 Years and older
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 9
States / cities: Kansas City, Kansas • Boston, Massachusetts • Worcester, Massachusetts + 6 more

Conditions: Type 2 Diabetes, Ketone Body Metabolism, Ketones, Metabolism
Interventions: Ketone Ester Acute, Placebo Acute; Dietary Supplement
Lead sponsor: Ohio State University; Other
Eligibility: 18 Years to 80 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2027
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Healthy
Interventions: Micellar Casein Protein, Resistance Exercise Training; Dietary Supplement · Other
Lead sponsor: Florida State University; Other
Eligibility: 18 Years to 35 Years · Female only
Enrollment: 13 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Tallahassee, Florida

Conditions: Healthy
Interventions: MitoQ, Placebo, MitoTempo, Tempol, L-NAME, SNP - Sodium Nitroprusside; Dietary Supplement · Drug
Lead sponsor: University of Georgia; Other
Eligibility: 18 Years to 75 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2030
U.S. locations: 1
States / cities: Athens, Georgia

Conditions: Cardiac Function and Hemodynamics
Interventions: Creatine Monohydrate, Maltodextrin; Dietary Supplement
Lead sponsor: Radford University; Other
Eligibility: 55 Years to 80 Years · Male only
Enrollment: 45 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2024
U.S. locations: 1
States / cities: Roanoke, Virginia

Conditions: Perimenopause
Interventions: Creatine Monohydrate, Placebo; Dietary Supplement
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 38 Years to 60 Years · Female only
Enrollment: 55 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Anaemia
Interventions: Daprodustat, Darbepoetin alfa, Placebo, Iron Therapy; Drug
Lead sponsor: GlaxoSmithKline; Industry
Eligibility: 18 Years to 99 Years
Enrollment: 3,872 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2021
U.S. locations: 161
States / cities: Andalusia, Alabama • Birmingham, Alabama • Huntsville, Alabama + 128 more

Conditions: Height, Cognitive Function, Weight Gain
Interventions: NuBest Tall Growth Protein Powder, Placebo Powder; Dietary Supplement
Lead sponsor: NuBest; Industry
Eligibility: 10 Years to 16 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Santa Monica, California

Conditions: Spinal Cord Injury, Tetraplegia
Interventions: Circuit Resistance Training (CRT); Other
Lead sponsor: University of Miami; Other
Eligibility: 18 Years to 55 Years
Enrollment: 18 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 1
States / cities: Miami, Florida

Conditions: Spinal Cord Injury
Interventions: Exercise; Other
Lead sponsor: University of Miami; Other
Eligibility: 18 Years to 65 Years
Enrollment: 32 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2012
U.S. locations: 1
States / cities: Miami, Florida

Conditions: Alcoholic Cirrhosis
Interventions: Placebo, SAMe 400 mg tablet; Drug
Lead sponsor: Indiana University; Other
Eligibility: 18 Years to 70 Years
Enrollment: 196 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2027
U.S. locations: 2
States / cities: Los Angeles, California • Indianapolis, Indiana

Conditions: Chronic Obstructive Pulmonary Disease
Interventions: Capsule + Powder supplementation, stable tracer infusion; Dietary Supplement · Other
Lead sponsor: Texas A&M University; Other
Eligibility: 45 Years to 100 Years
Enrollment: 54 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: College Station, Texas

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

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Sitagliptin for Hyperglycemia in Patients With T2DM Undergoing Cardiac Surgery

An Outpatient Study Investigating Non-prescription Treatments for COVID-19

Study of Arginine and Nitric Oxide in Patients With Diabetes

Use Of The Dietary Supplement 5-ALA And Its Relationship With Sleep And Mood

Sitagliptin in Non-Diabetic Patients Undergoing Cardiac Surgery

Essential Amino Acid Supplementation in Older Adult COVID-19 Patients

A Targeted Amino Acid Supplement for People With Parkinson's Disease

Safety and Efficacy Study of Creatine and Tamoxifen in Volunteers With Amyotrophic Lateral Sclerosis (ALS)

Effects of Ketone Ester Consumption on Exercise Tolerance and Cardiac Function

Effects of Protein Timing and Resistance Exercise on Fat Metabolism

Effects of an Antioxidant Supplement on Blood Vessel Health

Cardiac and Vascular Responses to Creatine Supplementation in Elderly Men

High Intensity Resistance Training + Creatine in Perimenopause

Anemia Studies in Chronic Kidney Disease: Erythropoiesis Via a Novel Prolyl Hydroxylase Inhibitor Daprodustat-Non-Dialysis (ASCEND-ND)

A Study to Evaluate the Effects of a Dietary Supplement on Children's Health and Development Outcomes.

Effects of Exercise in People With Tetraplegia

Effects of Exercise in People With Paraplegia

SAMe Trial for Patients With Alcoholic Cirrhosis

Fish Oil and HMB Supplementation in COPD

Anit-Inflammatory and Anti-Oxidative Nutrition in Dialysis Patients