- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00546039
Synthetic Genistein (BONISTEIN™) in Patients Who Are Undergoing Surgery for Prostate Cancer
September 29, 2008 updated by: University Hospital, Aker
Effects of Synthetic Genistein Supplementation on Blood and Tissue Biomarkers in Patients With Localized Prostate Cancer
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.
Study Overview
Status
Unknown
Conditions
Intervention / Treatment
Detailed Description
In Norway prostate cancer is the most frequently diagnosed cancer in the male and represents the second most common cause of cancer death among men.
Epidemiological studies have shown an association between decreased prostate cancer risk and increased soy consumption.
Genistein is the dominating plasma and tissue isoflavone in soybean products, and it has been attributed several anti-cancer effects.
BONISTEIN™ is a novel product, consisting of >99,5 % synthetic Genistein aglycone.
Chemoprevention is the ability of certain molecules to inhibit (partially or totally) induction or progression of the disease.
Our study population consists of men diagnosed with localized prostate cancer who have agreed to undergo radical prostatectomy.
This provides adequate amount of benign, premalignant and malignant tissue for studying the effects of potential chemopreventive agents on biomarkers of cell growth and differentiation in the prostatic tissues with immunohistochemistry. Prostatic tissue cells will also be selected with Lacer Capture Microdissection (LCM) before analysis with semi-quantitative RT-PCR.
Study Type
Interventional
Enrollment (Actual)
47
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
-
Oslo, Norway, 0514
- Aker University Hospital
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Male
Description
Inclusion Criteria:
- 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.
Exclusion Criteria:
- 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.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: 2
|
Capsule
|
Active Comparator: 1
|
Capsule, 30 mg, oral daily for 3 to 6 weeks
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
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.
Time Frame: 3 to 6 weeks
|
3 to 6 weeks
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
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™.
Time Frame: 3 to 6 weeks
|
3 to 6 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Director: Steinar J Karlsen, MD, PhD, Aker University Hospital, Oslo Urological Universityclinic
- Principal Investigator: Bato Lazarevic, MD, Aker University Hospital, Oslo Urological Universityclinic
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
April 1, 2007
Primary Completion (Actual)
August 1, 2008
Study Completion (Anticipated)
January 1, 2009
Study Registration Dates
First Submitted
October 17, 2007
First Submitted That Met QC Criteria
October 17, 2007
First Posted (Estimate)
October 18, 2007
Study Record Updates
Last Update Posted (Estimate)
September 30, 2008
Last Update Submitted That Met QC Criteria
September 29, 2008
Last Verified
September 1, 2008
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Genital Neoplasms, Male
- Prostatic Diseases
- Prostatic Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Protective Agents
- Estrogens, Non-Steroidal
- Estrogens
- Protein Kinase Inhibitors
- Anticarcinogenic Agents
- Phytoestrogens
- Genistein
Other Study ID Numbers
- P2BV10
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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