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Note: This record shows only the 20 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 4 March 2013
Main ID:  NCT00459407
Date of registration: 09/04/2007
Primary sponsor: National Cancer Institute (NCI)
Public title: Defined Green Tea Catechins in Treating Patients With Prostate Cancer Undergoing Surgery to Remove the Prostate
Scientific title: Phase Ib Study of Polyphenon E in a Pre-prostatectomy Prostate Cancer Cohort
Date of first enrolment: March 2007
Target sample size: 50
Recruitment status: Completed
URL:  http://clinicaltrials.gov/show/NCT00459407
Study type:  Interventional
Study design:  Allocation: Randomized, Endpoint Classification: Bio-availability Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Prevention  
Countries of recruitment
United States
Contacts
Name:   Frederick Ahmann
Address: 
Telephone:
Email:
Affiliation:  Arizona Cancer Center - Tucson
Key inclusion & exclusion criteria

Criteria:

- Biopsy-proven adenocarcinoma of the prostate meeting the following criteria:
organ-confined disease; treatable by prostatectomy

- PSA < 50 ng/mL

- ECOG performance status (PS) 0-1 or Karnofsky PS 70-100%

- Bilirubin normal

- AST and ALT normal

- Creatinine normal

- Fertile patients must use effective contraception

- No uncontrolled intercurrent illness including, but not limited to, any of the
following: ongoing or active infection; symptomatic congestive heart failure;
unstable angina pectoris; cardiac arrhythmia; psychiatric illness or social
situations that would limit study compliance

- No history of allergic reactions attributed to compounds of similar chemical or
biologic composition to green tea extract

- No prior therapy for prostate cancer (i.e., hormone therapy, radiation therapy, or
surgery)

- No systemic treatment (chemotherapy) and/or radiation therapy for any malignancy
within the past 5 years (excluding nonmelanoma skin cancer or cancer confined to
organs with surgical removal as the only treatment)

- No regular tea consumption (> 6 servings of hot tea or 12 servings of iced tea or
equivalent combination per week) within the past month

- No other concurrent investigational agents

- No other concurrent consumption of tea or tea-derived products from green, black, or
oolong tea



Age minimum: 18 Years
Age maximum: N/A
Gender: Male
Health Condition(s) or Problem(s) studied
Adenocarcinoma of the Prostate
Stage I Prostate Cancer
Stage II Prostate Cancer
Intervention(s)
Dietary Supplement: defined green tea catechin extract
Drug: placebo
Other: high performance liquid chromatography
Other: immunoenzyme technique
Other: immunohistochemistry staining method
Other: laboratory biomarker analysis
Other: mass spectrometry
Procedure: biopsy
Primary Outcome(s)
Post-treatment green tea catechin concentration levels in prostate tissue [Time Frame: Up to 6 weeks]
Secondary Outcome(s)
Change in plasma levels of EGCG [Time Frame: Baseline to post-treatment]
Change in ratio of 8OHdG:dG [Time Frame: Baseline to post-treatment]
Changes in clusterin, matrix metalloproteinase (MMP)-2, and MMP-9 levels [Time Frame: Baseline to post-treatment]
Changes in Serum levels of insulin-like growth factor (IGF)-1 and IGF binding protein-3 [Time Frame: Baseline to post-treatment]
Secondary ID(s)
CDR0000538554
HSC # 06-0695-04
N01CN35158
NCI-2009-00894
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
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