Defined Green Tea Catechin Extract in Preventing Esophageal Cancer in Patients With Barrett's Esophagus

ClinicalTrials.gov ID: NCT00233935

Public ClinicalTrials.gov record NCT00233935. 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.

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ClinicalTrials.gov public records Last synced Jul 21, 2026, 9:40 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

Phase Ib Randomized, Double-Blinded, Placebo-Controlled, Dose Escalation Study of Polyphenon E in Patients With Barrett's Esophagus

Study identification

NCT ID: NCT00233935
Recruitment status: Completed
Study type: Interventional
Phase: Phase 1
Lead sponsor: National Cancer Institute (NCI); NIH
Enrollment: 55 participants

Conditions and interventions

Conditions

Barrett Esophagus

Interventions

placebo Other
defined green tea catechin extract Drug

Other · Drug

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: Oct 31, 2005
Primary completion: Oct 31, 2010
Completion: Oct 31, 2010
Last update posted: Sep 10, 2014

2005 – 2010

United States locations

U.S. sites: 3
U.S. states: 2
U.S. cities: 2

Facility	City	State	ZIP	Site status
Columbia University Medical Center	New York	New York	10032	—
Weill Medical College of Cornell University	New York	New York	10065	—
M D Anderson Cancer Center	Houston	Texas	77030	—

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 NCT00233935, 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 Sep 10, 2014 · Synced Jul 21, 2026

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The complete protocol, eligibility criteria, and contact information for NCT00233935 live on ClinicalTrials.gov.

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