Effects of Soy Compounds on Breast Cancer, Prostate Cancer, and Bone Health

Not Recruiting

Trial ID: NCT00200824


This study will determine the effects of soy products on in vitro surrogate cancer markers as well as bone density markers and quality of life parameters in men and women. This study will also determine concentrations of isoflavones (naturally occurring plant compounds that act like estrogen in the body) in prostate tissue that has been removed during prostatectomy, as well as in the blood.

Official Title

Effects of Soy Isoflavones on the Prostate, Breast and Bone

Stanford Investigator(s)


Inclusion Criteria

* Scheduled for prostatectomy
* Willing and able to consume study tablets for at least 2 weeks prior to surgery
* Willing to accept random assignment
* Signed informed consent

Exclusion Criteria

* Unwilling to avoid soy intake during the study period
* Currently taking antibiotics


drug: Soy Isoflavone Nutritional Supplements

Not Recruiting

Contact Information

Stanford University
School of Medicine
300 Pasteur Drive
Stanford, CA 94305