Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:00 PM EDT

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Showing 1–24 of 263 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Obesity, Morbid Obesity, Diabetes Mellitus, Type 2, Atrial Fibrillation
Interventions
Intermittent Fasting
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Amyotrophic Lateral Sclerosis ALS
Interventions
Astaxanthin, Protandim, Melatonin, MitoQ
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Durham, North Carolina • Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Investigational Test of a New Sleep Supplement

NCT03567343
Conditions
Sleep, Mood, Cognitive Performance
Interventions
Proprietary Spearmint Extract Blend, Control
Dietary Supplement · Other
Lead sponsor
University of Arizona
Other
Eligibility
22 Years to 50 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Becker Muscular Dystrophy
Interventions
(-)-epicatechin
Drug
Lead sponsor
Craig McDonald, MD
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Sacramento, California
Completed Phase 1Phase 2 Interventional Results available

Green Tea Lozenges for the Management of Dry Mouth

NCT01647737
Conditions
Xerostomia, Sjogren Syndrome, Dry Mouth
Interventions
MighTeaFlow, Xylitol
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Diabetes Mellitus
Interventions
Ginger Kombucha, Ginger Water
Dietary Supplement
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Over-the-counter Dietary Supplements on Kidney Stone Risk

NCT02404701
Conditions
Hyperoxaluria
Interventions
Aloe vera with cactus, Cranberry, Green tea extract, Bilberry, Cinnamon, Milk thistle, Turmeric, Aloe vera
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Leiomyoma
Interventions
EGCG ( Green Tea extract), Brown rice pills
Dietary Supplement
Lead sponsor
Meharry Medical College
Other
Eligibility
18 Years and older · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Chronic Pancreatitis
Interventions
Transcutaneous Electrical Acustimulation (TEA)
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers

Glucagon Like Peptide 1 (GLP-1) Booster™ RCT Study

NCT07141472
Conditions
Blood Sugar; High, Overweight and Obesity, Fat Loss, GLP-1, Glucagon
Interventions
GB, Placebo
Dietary Supplement
Lead sponsor
Lawry Han
Industry
Eligibility
18 Years to 65 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Blood Sugar; High, Blood Pressure, Dietary Habits
Interventions
Regular sweetened commercial foods, Allulose sweetened commercial foods, Whole and minimally processed and sweetened foods
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
20 Years to 99 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Conditions
Diabetes
Interventions
Extract of Green and Black Tea
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Lebanon, New Hampshire
Completed Not applicable Interventional Accepts healthy volunteers

Green Tea Anticancer Mechanisms in Smokers

NCT01162642
Conditions
Cancer
Interventions
Green Tea, Placebo
Dietary Supplement · Other
Lead sponsor
Philip Diaz
Other
Eligibility
23 Years to 40 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Patients Undergoing Thoracic Surgery, Patients Undergoing Upper Abdominal Surgery
Interventions
Fluoroscopic imaging
Procedure
Lead sponsor
Chicago Anesthesia Pain Specialists
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Chronic Hepatitis C, Oxidative Stress
Interventions
silymarin, green tea extract (EGCG)
Drug · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Liver Disease, Pain
Interventions
paravertebral blocks
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Glucagon Like Peptide 1 (GLP1) Booster in Healthy Humans

NCT06333496
Conditions
Blood Sugar; High, Overweight and Obesity, Fat Burn, Obesity, Heart Health Markers
Interventions
GLP-1 Booster (GB)
Dietary Supplement
Lead sponsor
Alpine Biotech LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Multiple Sclerosis
Interventions
95% Pure ECGC capsules 200mg, Placebo Comparator:
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Thoracic Injury, Rib Fracture, Sternal Fracture
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 2 Interventional Results available

Green Tea Extract and Prostate Cancer

NCT00676780
Conditions
Prostate Cancer
Interventions
Polyphenon E (EGCG)
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Shreveport, Louisiana
Conditions
Cirrhosis
Interventions
Transcutaneous Electrical Acustimulation (TEA), Sham Transcutaneous Electrical Acustimulation (TEA)
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Not yet recruiting Not applicable Interventional

Percepta for Cognitive Optimization

NCT07612449
Conditions
Mild Cognitive Impairment (MCI), Memory
Interventions
Percepta, Placebo
Dietary Supplement
Lead sponsor
Cerebrum DAO Association
Other
Eligibility
40 Years to 85 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Wilmington, Delaware
Conditions
Barrett Esophagus
Interventions
placebo, defined green tea catechin extract
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
3
States / cities
New York, New York • Houston, Texas
Conditions
Inflammation, Atherosclerosis, Cardiovascular Disease
Interventions
PolyResveratrol Supplementation, Curcumin Supplementation
Dietary Supplement
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Columbia, South Carolina