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Brief Title: Fish Oil and Green Tea Extract in Preventing Prostate Cancer in Patients Who Are at Risk for Developing Prostate Cancer
Official Title: Catechins and Omega-3 Fatty Acids Impact on Fatty Acid Synthase Activity in the Prostate: A Randomized Controlled Trial
Study ID: NCT00253643
Brief Summary: RATIONALE: Chemoprevention is the use of certain drugs to keep cancer from forming, growing, or coming back. The use of fish oil and/or green tea may prevent prostate cancer. PURPOSE: This randomized clinical trial is studying how well a fish oil and/or green tea supplement works in preventing prostate cancer in patients with prostatic intraepithelial neoplasia or who are at risk for developing prostate cancer.
Detailed Description: OBJECTIVES: * Determine the cancer preventing effects of fish oil supplementation and green tea extract use on markers of alteration in lipid metabolism in prostate tissue samples. OUTLINE: This is a randomized, double-blind, placebo-controlled study. Patients are stratified according to age (under 65 vs 65 and over). Patients are randomized to 1 of 4 treatment arms. * Arm I: Patients receive oral fish oil three times daily and oral green tea extract twice daily. * Arm II: Patients receive an oil placebo three times daily and oral green tea extract twice daily. * Arm III: Patients receive oral fish oil three times daily and a placebo twice daily. * Arm IV: Patients receive an oil placebo three times daily and another placebo twice daily. Treatment in one of the above-listed arms continues for up to 20 weeks in the absence of disease progression or unacceptable toxicity. All patients undergo a prostate biopsy on the last day of study treatment. After completion of study treatment, patients receive a follow-up phone call at/around 30 days later. PROJECTED ACCRUAL: A total of 144 patients will be accrued for this study.
Minimum Age: 21 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: MALE
Healthy Volunteers: Yes
Kaiser Permanente Center for Health Research, Portland, Oregon, United States
OHSU Knight Cancer Institute, Portland, Oregon, United States
Veterans Affairs Medical Center - Portland, Portland, Oregon, United States
Name: Jackilen Shannon, PhD
Affiliation: OHSU Knight Cancer Institute
Role: PRINCIPAL_INVESTIGATOR