Lycopene in Preventing Prostate Cancer in Healthy Participants

You may be eligible if

• DISEASE CHARACTERISTICS:
• Healthy participants in good medical condition
• * No chronic medical conditions
• * No regular use of prescription medications
• * No evidence of psychiatric disorder
• * Non-smoker
• * Former smokers allowed provided they have not smoked within the past 3 months
• * No history of alcohol abuse
• Serum lycopene concentration \< 700 nM
• PATIENT CHARACTERISTICS:
• Age
• 18 to 45
• Performance status
• Karnofsky 100%
• Life expectancy
• Not specified
• Hematopoietic
• Hemoglobin ≥ 13.0 g/dL
• WBC ≥ 4,000/mm\^3
• Platelet count 150,000-400,000/mm\^3
• Hepatic
• AST and ALT ≤ 75 U/L
• Bilirubin ≤ 2.0 mg/dL
• No liver disease
• Renal
• Creatinine ≤ 1.5 mg/dL
• No renal disease
• Cardiovascular
• No cardiovascular disease
• No abnormal EKG
• Other
• Within 15% of ideal body weight
• No history of gastrointestinal malabsorption or other condition that would preclude drug absorption
• No alcohol consumption within the past 72 hours
• No allergy to tomato-based products
• No history of cancer
• No diabetes mellitus
• No other illness that would preclude study participation
• PRIOR CONCURRENT THERAPY:
• Biologic therapy
• Not specified
• Chemotherapy
• Not specified
• Endocrine therapy
• Not specified
• Radiotherapy
• Not specified
• Surgery
• Not specified
• Other
• At least 4 weeks since prior experimental drugs
• More than 14 days since prior prescription drugs
• No concurrent participation in another experimental trial
• No concurrent prescription drugs