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ClinicalTrials.gov public records Last synced Sep 5, 2026, 12:39 PM EDT

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Showing 1–24 of 234 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cirrhosis
Interventions
Biopsy, Biospecimen Collection, Computed Tomography, Defined Green Tea Catechin Extract, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Pharmacological Study, Questionnaire Administration, Ultrasound
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Antioxidants on Human Macular Pigments

NCT00718653
Conditions
Eye Health
Interventions
Lutein, Lutein plus green tea extract
Dietary Supplement
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
50 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Prostatic Hyperplasia
Interventions
Polyphenon E, Placebo
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
30 Years to 80 Years · Male only
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
10
States / cities
Gainesville, Florida • Jacksonville, Florida • Lakeland, Florida + 5 more
Conditions
Surgery, Analgesia
Interventions
Liposomal bupivacaine, Thoracic epidural analgesia (bupivacaine)
Drug · Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Recruiting Phase 2 Interventional Accepts healthy volunteers

Povidone Iodine Efficacy Study

NCT05272254
Conditions
Early Childhood Caries
Interventions
10% povidone iodine + FV, Placebo +FV
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
24 Months to 71 Months
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Rochester, New York
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
Conditions
Stage I Bladder Cancer, Stage II Bladder Cancer, Stage III Bladder Cancer
Interventions
Defined Green Tea Catechin Extract, Laboratory Biomarker Analysis, Pharmacological Study, Placebo, Therapeutic Conventional Surgery
Dietary Supplement · Other · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
6
States / cities
Birmingham, Alabama • Burlington, Massachusetts • Minneapolis, Minnesota + 3 more
Conditions
Multiple Myeloma and Plasma Cell Neoplasm, Precancerous Condition
Interventions
defined green tea catechin extract, gene expression analysis, protein analysis, laboratory biomarker analysis
Dietary Supplement · Genetic · Other
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Detroit, Michigan
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scavenging of Reactive Carbonyl Species by Dietary Flavonoids in Humans

NCT05773794
Conditions
Human Health, Reactive Carbonyl Species, Polyphenols
Interventions
Soymilk, green tea, or blueberry, Control group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Conditions
AML (Acute Myeloid Leukemia), Multiple Myeloma Refractory
Interventions
Soursop tea
Biological
Lead sponsor
Roger Strair
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Camden, New Jersey
Conditions
Liver Cancer, Pancreatic Cancer
Interventions
Intravenous Patient-Controlled Analgesia (IVPCA), Thoracic Epidural Analgesia (TEA), Questionnaires, Pain Assessment
Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Houston, Texas
Conditions
Healthy
Interventions
Controlled diet
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
25 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Beltsville, Maryland
Conditions
Center-involved Diabetic Macular Edema (CI-DME)
Interventions
Diabetes Visual Function Study (DiVFuSS) softgels, canola oil placebo softgels, 2 per day
Dietary Supplement · Other
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Olympia, Washington • Tacoma, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Chamomile Intake on Blood Coagulation Tests in Healthy Volunteers

NCT05006378
Conditions
Coagulation Disorder
Interventions
Chamomile Tea, Chamomile Extract Capsule, Placebo Capsule
Dietary Supplement
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Stony Brook, New York
Conditions
Type 2 Diabetes
Interventions
Intermittent energy restriction (IER), Time Restricted Eating (TRE)
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Kansas City, Kansas
Active, not recruiting Not applicable Interventional

A Study of Time Restricted Eating in Obese Adults

NCT05660291
Conditions
Overweight
Interventions
Early time-restricted eating, Late time-restricted eating
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
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
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

A Comparison Trial Between PCA and Epidural Analgesia for Pectus Excavatum Repair

NCT02056301
Conditions
Pectus Excavatum
Interventions
Hydromorphone, Morphine
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
8 Years to 18 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional

Green Tea in Breast Cancer Patients

NCT00949923
Conditions
Incident Breast Cancer
Interventions
tea capsule
Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Cognitive Change
Interventions
Placebo, AmaTea Guayusa Extract, Lion's Mane
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Canfield, Ohio
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
Conditions
Acute Myeloid Leukemia
Interventions
ASTX727, Venetoclax
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
2 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 1 Interventional Accepts healthy volunteers

LEAN Project: Weight Loss and Appetite Suppression

NCT00153790
Conditions
Weight Loss
Interventions
PhosphoLean
Drug
Lead sponsor
The Cooper Institute
Other
Eligibility
30 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Respiratory Viral Infection
Interventions
zinc-green tea extract-ascorbic acid, Placebo
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Missouri