NCT00546039

Brief Summary

The purpose of this study is to evaluate safety and mechanisms of possible chemopreventive effects of synthetic genistein (BONISTEIN™) in patients with localized prostate cancer undergoing laparoscopic radical prostatectomy.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
47

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Apr 2007

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2007

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

October 17, 2007

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 18, 2007

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2008

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2009

Completed
Last Updated

September 30, 2008

Status Verified

September 1, 2008

Enrollment Period

1.3 years

First QC Date

October 17, 2007

Last Update Submit

September 29, 2008

Conditions

Keywords

Prostate cancerLocalized prostatectomyLaparoscopic prostatectomyChemopreventionGenisteinBONISTEIN™

Outcome Measures

Primary Outcomes (1)

  • Modulation of biomarkers: PSA, Testosterone, STAMP1, STAMP2, NKX3A and KLK4, p21, p27, p53, bcl-2, bax, Ki67, CgA and NSE in blood and/or prostate tissue.

    3 to 6 weeks

Secondary Outcomes (1)

  • Modulation of prostate cancer grade, volume and Gleason score. Safety parameters (blood, electrolytes, liver, pancreas, lipids, thyroid and sexual hormones). Plasma and tissue concentrations of BONISTEIN™.

    3 to 6 weeks

Study Arms (2)

1

ACTIVE COMPARATOR
Drug: Genistein

2

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Capsule, 30 mg, oral daily for 3 to 6 weeks

Also known as: BONISTEIN™
1

Capsule

2

Eligibility Criteria

Age18 Years+
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Histological proven prostate cancer clinical stage T1c or T2.
  • Are to be treated by radical prostatectomy 3 to 6 weeks after consent.
  • Have signed the informed consent form.

You may not qualify if:

  • Have been on previous or concurrent hormonal therapy or chemotherapy.
  • History of previous or other hormone dependent malignancies.
  • Concomitant thyroid disease or are currently taking thyroid hormone replacement medication.
  • On current high dose soy, micronutrient or herbal supplements.
  • On soy or vegetarian nutrition or have any other extreme dietary habits.
  • On oral anticoagulants.
  • History of liver or pancreas diseases.
  • History of hypersensitivity to Genistein or soy containing products.
  • Have a malabsorption condition which might interfere with absorption of the investigational product.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Aker University Hospital

Oslo, 0514, Norway

Location

Related Links

MeSH Terms

Conditions

Prostatic Neoplasms

Interventions

Genistein

Condition Hierarchy (Ancestors)

Genital Neoplasms, MaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsGenital Diseases, MaleGenital DiseasesUrogenital DiseasesProstatic DiseasesMale Urogenital Diseases

Intervention Hierarchy (Ancestors)

IsoflavonesFlavonoidsChromonesBenzopyransPyransHeterocyclic Compounds, 1-RingHeterocyclic CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Steinar J Karlsen, MD, PhD

    Aker University Hospital, Oslo Urological Universityclinic

    STUDY DIRECTOR
  • Bato Lazarevic, MD

    Aker University Hospital, Oslo Urological Universityclinic

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

October 17, 2007

First Posted

October 18, 2007

Study Start

April 1, 2007

Primary Completion

August 1, 2008

Study Completion

January 1, 2009

Last Updated

September 30, 2008

Record last verified: 2008-09

Locations