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defined green tea catechin extract

DIETARY_SUPPLEMENT12 trials

Sponsors

University of Arizona, National Cancer Institute (NCI), British Columbia Cancer Agency, Barbara Ann Karmanos Cancer Institute, Case Comprehensive Cancer Center

Conditions

Adenocarcinoma of the ColonAdenocarcinoma of the ProstateAdvanced Colorectal AdenomasBarrett EsophagusCervical CancerCervical Intraepithelial Neoplasia Grade 1CirrhosisEstrogen Receptor-negative Breast Cancer

Phase 1

Green Tea Extract (Polyphenon E) in Preventing Cancer in Healthy Participants
CompletedNCT00091325
University of ArizonaUnspecified Adult Solid Tumor, Protocol Specific
Start: 2004-10-31Updated: 2010-01-20
Defined Green Tea Catechin Extract in Preventing Esophageal Cancer in Patients With Barrett's Esophagus
CompletedNCT00233935
National Cancer Institute (NCI)Barrett Esophagus
Start: 2005-11-30End: 2010-11-30Updated: 2014-09-11
Defined Green Tea Catechins in Treating Patients With Prostate Cancer Undergoing Surgery to Remove the Prostate
CompletedNCT00459407
National Cancer Institute (NCI)Adenocarcinoma of the Prostate, Stage II Prostate Cancer, Stage I Prostate Cancer
Start: 2007-03-31End: 2010-08-31Updated: 2014-10-08
Defined Green Tea Catechin Extract in Treating Women With Hormone Receptor Negative Stage I-III Breast Cancer
CompletedNCT00516243
National Cancer Institute (NCI)Estrogen Receptor-negative Breast Cancer, Progesterone Receptor-negative Breast Cancer, Stage I Breast Cancer +3
Start: 2007-07-31End: 2010-03-31Updated: 2014-09-12
Defined Green Tea Catechin Extract in Preventing Liver Cancer in Participants With Cirrhosis
Active, not recruitingNCT03278925
National Cancer Institute (NCI)Cirrhosis
Start: 2018-08-09End: 2024-12-31Updated: 2024-08-02

Phase 2

Green Tea Extract in Preventing Cervical Cancer in Patients With Human Papillomavirus and Low-Grade Cervical Intraepithelial Neoplasia
CompletedNCT00303823
National Cancer Institute (NCI)Cervical Cancer, Cervical Intraepithelial Neoplasia Grade 1, Human Papilloma Virus Infection
Start: 2005-09-30End: 2011-02-28Updated: 2015-05-05
Green Tea Extract in Preventing Cancer in Former and Current Heavy Smokers With Abnormal Sputum
CompletedNCT00573885
British Columbia Cancer AgencyLung Cancer, Tobacco Use Disorder
Start: 2008-01-31End: 2008-12-31Updated: 2012-03-09
Green Tea Extract in Treating Current or Former Smokers With Bronchial Dysplasia
TerminatedNCT00611650
British Columbia Cancer AgencyLung Cancer, Precancerous Condition, Tobacco Use Disorder
Start: 2006-10-31End: 2011-07-31Updated: 2012-03-09
Green Tea Extract in Treating Patients With Nonmetastatic Bladder Cancer
CompletedNCT00666562
National Cancer Institute (NCI)Stage I Bladder Cancer, Stage II Bladder Cancer, Stage III Bladder Cancer
Start: 2008-07-02End: 2017-06-09Updated: 2017-11-17
Green Tea Extract in Treating Patients With Monoclonal Gammopathy of Undetermined Significance and/or Smoldering Multiple Myeloma
TerminatedNCT00942422
Barbara Ann Karmanos Cancer InstituteMultiple Myeloma and Plasma Cell Neoplasm, Precancerous Condition
Start: 2009-11-30End: 2012-03-31Updated: 2015-03-27
Defined Green Tea Catechin Extract in Treating Patients With Localized Prostate Cancer Undergoing Surgery
TerminatedNCT01340599
Case Comprehensive Cancer CenterStage IIA Prostate Cancer, Stage IIB Prostate Cancer, Stage I Prostate Cancer
Start: 2006-10-31End: 2007-04-30Updated: 2012-03-15
Polyphenon E in Treating Patients With High-Risk of Colorectal Cancer
TerminatedNCT01606124
Mayo ClinicAdenocarcinoma of the Colon, Advanced Colorectal Adenomas, Stage I Colon Cancer +2
Start: 2012-06-30End: 2015-05-21Updated: 2017-10-27