- Conditions
- Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- defined green tea catechin extract
- Dietary Supplement
- Lead sponsor
- University of Arizona
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2004
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
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 28
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Prostate Carcinoma
- Interventions
- Placebo Administration, Quality-of-Life Assessment, Questionnaire Administration, Sinecatechins
- Drug · Other
- Lead sponsor
- ECOG-ACRIN Cancer Research Group
- Network
- Eligibility
- 21 Years and older
- Enrollment
- 360 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 345
- States / cities
- Fairbanks, Alaska • Phoenix, Arizona • Fayetteville, Arkansas + 224 more
- Conditions
- Overweight, Obesity
- Interventions
- online lifestyle counseling and a fortified diet beverage
- Behavioral
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 572 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 2
- States / cities
- Philadelphia, Pennsylvania • Houston, Texas
- Conditions
- Neuropathic Pain, Cancer Treatment
- Interventions
- Green Tea Leaf Extract Decaffeinated, Placebo Control
- Dietary Supplement · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2029
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- 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
- 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
- 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
- HIV Infection
- Interventions
- Polyphenon E, Placebo
- Drug
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 2
- States / cities
- Houston, Texas
- Conditions
- Dysbiosis, Endotoxemia, Metabolic Syndrome, Inflammation
- Interventions
- Green Tea Extract, Placebo
- Dietary Supplement
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 46 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Memory Deficits, Cognitive Change, Stress
- Interventions
- The Daily Supplement
- Dietary Supplement
- Lead sponsor
- Parable
- Industry
- Eligibility
- 30 Years to 60 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Multiple Sclerosis
- Interventions
- Polyphenon E, Placebo
- Drug · Other
- Lead sponsor
- Louisiana State University Health Sciences Center in New Orleans
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- New Orleans, Louisiana
- Conditions
- Adenocarcinoma of the Prostate, Stage I Prostate Cancer, Stage II Prostate Cancer
- Interventions
- defined green tea catechin extract, placebo, immunohistochemistry staining method, immunoenzyme technique, laboratory biomarker analysis, biopsy, mass spectrometry, high performance liquid chromatography
- Dietary Supplement · Drug · Other + 1 more
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- 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
- Advanced Colorectal Adenomas, Adenocarcinoma of the Colon, Stage I Colon Cancer, Stage II Colon Cancer, Stage III Colon Cancer
- Interventions
- defined green tea catechin extract, placebo, questionnaire administration, laboratory biomarker analysis
- Drug · Other
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 3
- States / cities
- Chicago, Illinois • Hines, Illinois • Rochester, Minnesota
- Conditions
- Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
- Interventions
- defined green tea catechin extract, placebo, immunohistochemistry staining method, immunoenzyme technique, questionnaire administration, therapeutic conventional surgery, high performance liquid chromatography, mass spectrometry
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- 45 Years to 75 Years · Male only
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Sub-optimal Cognitive Function, Sub-optimal Immune Function
- Interventions
- Ginkgo Synergy® and Choline, OPC Synergy® and Catalyn, Placebo
- Dietary Supplement
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 97 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011
- U.S. locations
- 1
- States / cities
- Miami, Florida
- 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
- 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
- Colon Cancer
- Interventions
- Epigallocatechin gallate (EGCG)
- Drug
- Lead sponsor
- The University of Texas Health Science Center at San Antonio
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 51 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2025
- U.S. locations
- 1
- States / cities
- San Antonio, Texas
- Conditions
- Precancerous Condition, Prostate Cancer
- Interventions
- green tea catechin extract, fish oil, placebo
- Dietary Supplement · Other
- Lead sponsor
- OHSU Knight Cancer Institute
- Other
- Eligibility
- 21 Years to 120 Years · Male only
- Enrollment
- 89 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2013
- U.S. locations
- 3
- States / cities
- Portland, Oregon
- Conditions
- Breast Cancer
- Interventions
- Green tea extract supplement, Placebo
- Drug · Other
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 50 Years to 70 Years · Female only
- Enrollment
- 1,075 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2014
- U.S. locations
- 5
- States / cities
- Edina, Minnesota • Maple Grove, Minnesota • Minneapolis, Minnesota + 2 more
- Conditions
- Cervical Cancer, Cervical Intraepithelial Neoplasia Grade 1, Human Papilloma Virus Infection
- Interventions
- placebo, defined green tea catechin extract, laboratory biomarker analysis
- Drug · Dietary Supplement · Other
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 98 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2011
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- 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
- Conditions
- Caffeine, Diet, Healthy, Fat Burn, Cognitive Change, Fatigue
- Interventions
- Fitness Drink Formula
- Dietary Supplement
- Lead sponsor
- University of Central Florida
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 56 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Orlando, Florida