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Clinical Trial Summary

RATIONALE: Genistein may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth.

PURPOSE: This randomized phase II trial is studying how well genistein works in treating patients with prostate cancer.


Clinical Trial Description

PRIMARY OBJECTIVES:

I. Determine whether genistein treatment will decrease the number of circulating prostate cells (CPCs) in the peripheral blood as measured by qRT-PCR for PSA performed on RNA extracted from peripheral blood mononuclear cells (PBMNCs).

SECONDARY OBJECTIVES:

I. Determine the natural history of circulating prostate cells (CPCs) in a cohort of subjects prior to and post radical prostatectomy.

II. Compare the measurement of PSA between three separate methods: in CPCs by qRT-PCR, in serum by the standard clinical chemistry assay (i.e., ELISA), and in plasma and serum by the nano-PSA assay.

III. Measure the effect of genistein on gene and protein expression in prostate tissue by qRT-PCR and immunohistochemistry, respectively, for the following genes and their respective protein products: HSP27, MMP-2, ALK-2, BASP1, and HCF2.

OUTLINE:

Patients are randomized to 1 of 2 treatment arms.

ARM I: Patients receive oral genistein once daily for 3 months beginning at least 1 month prior to radical prostatectomy.

ARM II: Patients receive oral placebo once daily for 3 months beginning at least 1 month prior to radical prostatectomy.

All patients undergo radical prostatectomy at least 2 weeks, but not more than 3 months following the start of therapy.

After completion of study treatment, patients are followed at 1, 6, and 12 months. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT01126879
Study type Interventional
Source Northwestern University
Contact
Status Terminated
Phase Phase 2
Start date February 3, 2011
Completion date December 28, 2013

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