Effects of GCP on Prostate Cancer.
- Conditions
- Prostate Cancer
- Registration Number
- NCT00269555
- Lead Sponsor
- University of California, Davis
- Brief Summary
Genistein Combined Polysaccharide (GCP) is derived from adding soy powder to shiitake mushrooms. This concentrated mixture is currently being sold in Japan and the United States and is thought to possibly contain properties that may be useful in treating certain types of cancer.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- Male
- Target Recruitment
- 62
Participants must be male and have a pathological diagnosis of prostate cancer.
No treatment (surgery [RRP], radiation, or hormones) prior to study entry.
The patient has decided, after consultation with his own doctor, to have no treatment intervention (surgery [RRP], radiation, or hormones) for the next six months.
PSA between 2.0 and 10.0 ng/ml.
If PSA is >10.0, patient must have been on Active Surveillance for 12 months prior to study initiation.
No known allergy to soy or soy products.
The patient is not currently taking more than 2 grams of genistein a day in nutritional or diet enhancing supplements (OTC supplements).
No pathological documentation of prostate cancer.
Allergy to soy or soy products
Prior history of treatment for prostate cancer.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- CROSSOVER
- Primary Outcome Measures
Name Time Method Reduction in PSA serum levels.
- Secondary Outcome Measures
Name Time Method Stabilization of PSA serum levels.
Trial Locations
- Locations (1)
University of California, Davis
🇺🇸Sacramento, California, United States