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Terminated Phase 2 Interventional

Green Tea Extract in Treating Patients With Actinic Keratosis

ClinicalTrials.gov ID: NCT00005097

Public ClinicalTrials.gov record NCT00005097. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 26, 2026, 10:30 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-Blind, Placebo-Controlled Phase II Clinical Trial of Polyphenon E Against Various Endpoints of Actinic Keratosis Pathobiology

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

RATIONALE: Green tea extract contains ingredients that may inhibit the growth of actinic keratosis. PURPOSE: Randomized phase II trial to determine the effectiveness of green tea extract in treating patients who have actinic keratosis.

Study identification

NCT ID
NCT00005097
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Frank Meyskens
Other
Enrollment
88 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 1999 (Type not available)
Primary completion
Aug 2002 (Actual)
Completion
Aug 2002 (Actual)
Last update posted
Apr 5, 2018

1999 – 2002

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Chao Family Comprehensive Cancer Center Orange California 92868 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00005097, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 5, 2018 · Synced Oct 26, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00005097 live on ClinicalTrials.gov.

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