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Lycopene in Treating Patients With Prostate Cancer or Benign Prostatic Hyperplasia

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University of Illinois

Status

Completed

Conditions

Nonmalignant Neoplasm
Prostate Cancer

Treatments

Other: laboratory biomarker analysis
Dietary Supplement: lycopene
Procedure: biopsy

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT00416390
CDR0000492778
UIC-1999-0489

Details and patient eligibility

About

RATIONALE: Chemoprevention is the use of certain substances to keep cancer from forming, growing, or coming back. Eating a diet high in lycopene, a substance found in tomatoes and tomato products, may keep cancer from forming or growing. Collecting and storing samples of blood from patients with cancer to study in the laboratory may help doctors learn more about changes that may occur in DNA and identify biomarkers related to cancer.

PURPOSE: This randomized clinical trial is studying how well lycopene works in treating patients with prostate cancer or benign prostatic hyperplasia.

Full description

OBJECTIVES:

  • Assess the ability of prostatic tissue to accumulate doses of lycopene in patients with prostate cancer or benign prostate hyperplasia.
  • Determine whether the steady state level of DNA oxidation in blood and prostate tissue is responsive to lycopene dosing.
  • Investigate the effect of lycopene dosing on the lipid peroxidation marker malondialdehyde in serum.
  • Assess the importance of measuring multiple DNA oxidation products as biomarkers of oxidative stress and its chemoprevention.
  • Determine the significance of DNA oxidation products in blood as an indicator of oxidative stress in the prostate.
  • Measure prostate and blood uptake of the chemoprevention agent lycopene.

OUTLINE: This is a randomized, double-blind, placebo-controlled study. Patients are randomized to 1 of 2 treatment arms.

  • Arm I: Patients receive oral lycopene once daily for 3 weeks.
  • Arm II: Patients receive oral placebo once daily for 3 weeks. In both arms, patients undergo biopsy to confirm diagnosis of prostate cancer or benign prostatic hyperplasia after 3 weeks of study therapy.

Blood samples are collected at baseline and before surgery for biomarker/laboratory studies.

PROJECTED ACCRUAL: A total of 120 patients will be accrued for this study.

Enrollment

120 estimated patients

Sex

Male

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

DISEASE CHARACTERISTICS:

  • Diagnosis of 1 of the following:

    • Prostate cancer
    • Benign prostate hyperplasia
  • High blood levels of prostate-specific antigen

  • Enlarged prostate

PATIENT CHARACTERISTICS:

  • Not specified

PRIOR CONCURRENT THERAPY:

  • Not specified

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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