Green Tea or Polyphenon E in Preventing Lung Cancer in Former Smokers With Chronic Obstructive Pulmonary Disease

Summary

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.

Timeline

Start

2004-05

Primary completion

2009-03

Completion

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Drugs

Indications