Green Tea or Polyphenon E in Preventing Lung Cancer in Former Smokers With Chronic Obstructive Pulmonary Disease
Public ClinicalTrials.gov record NCT00363805. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Chemoprevention of Lung Carcinogenesis Using Green Tea: Phase IIb Randomized, Double-Blinded, Placebo Controlled Trial of Green Tea and Polyphenon E in Former Smokers With Chronic Obstructive Lung Disease (COPD)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
RATIONALE: Chemoprevention is the use of certain substances to keep cancer from forming, growing, or coming back. The use of green tea or polyphenon E may prevent cancer from forming in former smokers with chronic obstructive pulmonary disease. PURPOSE: This randomized phase II trial is studying how well green tea or polyphenon E work in preventing lung cancer in former smokers with chronic obstructive pulmonary disease.
Study identification
- NCT ID
- NCT00363805
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 178 participants
Conditions and interventions
Conditions
Interventions
- green tea Dietary Supplement
- Polyphenon E Drug
- placebo Other
Dietary Supplement · Drug · Other
Eligibility (public fields only)
- Age range
- 40 Years to 80 Years
- 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
- Apr 30, 2004
- Primary completion
- Feb 28, 2009
- Completion
- Not listed
- Last update posted
- Nov 27, 2013
Started 2004
United States locations
- U.S. sites
- 3
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Virginia G. Piper Cancer Center at Scottsdale Healthcare - Shea | Tucson | Arizona | 85258 | — |
| Veterans Affairs Medical Center - Tucson | Tucson | Arizona | 85723 | — |
| Arizona Cancer Center at University of Arizona Health Sciences Center | Tucson | Arizona | 85724-5024 | — |
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 NCT00363805, 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 Nov 27, 2013 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00363805 live on ClinicalTrials.gov.