Completed PHASE1 INTERVENTIONAL 4-arm NCT00233935

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

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

Sponsor: National Cancer Institute (NCI)

Conditions Barrett Esophagus

Interventions defined green tea catechin extract placebo

Updated 6 times since 2017 Last updated: Sep 10, 2014 Started: Nov 30, 2005 Primary completion: Nov 30, 2010 Completion: Nov 30, 2010

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE1 clinical study on Barrett Esophagus, this trial is completed. The trial is conducted by National Cancer Institute (NCI) and has accumulated 6 data snapshots since 2005. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE1
Jul 2024 — Sep 2024 [monthly]

Completed PHASE1
Jan 2021 — Jul 2024 [monthly]

Completed PHASE1
Jun 2018 — Jan 2021 [monthly]

Completed PHASE1
Feb 2017 — Jun 2018 [monthly]

Completed PHASE1

▶ Show 1 earlier version

Jan 2017 — Feb 2017 [monthly]

Completed PHASE1

First recorded

Nov 2005

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

National Cancer Institute (NCI)

Data source: National Cancer Institute (NCI)

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Houston, United States
• New York, United States