Clinical trialNCT00459407CompletedPhase 1Interventional

Defined Green Tea Catechins in Treating Patients With Prostate Cancer Undergoing Surgery to Remove the Prostate

SponsorNational Cancer Institute (NCI)Enrollment50Adenocarcinoma of the ProstateStage I Prostate CancerStage II Prostate Cancer

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Green tea extract contains ingredients that may prevent or slow the growth of prostate cancer. This phase I trial is studying how well green tea extract works in treating patients with prostate cancer undergoing surgery to remove the prostate

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Frederick Ahmann
Arizona Cancer Center - Tucson
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Arizona Cancer Center - Tucson
Tucson, Arizona, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Placebo

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 Mar 2007
Primary completion: 31 Aug 2010
Completion: 31 Aug 2010
Last update posted: 8 Oct 2014
Registered enrollment: 50
Registry id: NCT00459407

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.