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The PC SPES Story
Archived coverage 1998-2003
Dec 18 2003. by Jacqueline Strax and Sterling Greenwood
UCSF, Dana Farber Halt Trial of Prostate Cancer Herbal Therapy, Traces of Artificial Estrogen Feb 2. 2002
BotanicLab HOTLINE: phone 1-800-458-5854 (click for details) (no longer operational)
BotanicLab Hires Agency to Check PC SPES Samples for "Packaging Integrity" Sept 7 2001
BotanicLab Recalls Samples of Herbal Supplement After Second Lab Finds Diethylstilbestrol (DES) Sept 7, 2001

Second PC SPES Lab Report Released: "No Question Diethylstilbestrol DES) Is Present" Read .pdf files:
Rocky Mountain Instrumental Laboratories Incorporated, Fort Collins, Colorado Report | Letter 1 | Letter 2 |

BotanicLab, Inc. posts Copy of FDA Test That Found No DES in PC SPES: "Recently, allegation has been made that PC SPES contains DES (diethylstilbestrol and diethylstilbestrol dipropionates). We have consistently stated that ..." (Statement on BotanicLab website) Aug 23 2001
Second Lab Finds Artificial Estrogen Profile in Samples of Herbal Supplement for Prostate Cancer August 22, 2001
PC SPES,
One Man's Story BY BOB ANDERSON © Raleigh, N.C. July 19, 2001
PC SPES Puzzle July 16, 2001 - includes discussion of
Botaniclab CEO "Stands Firm" Against PC SPES Allegations: July 14 2001
Synthetic Estrogen (DES) Reported in 2 Samples of "Natural" Herbal Compound PC SPES July 14, 2001
No DES in Prostate Cancer Herbal Supplement, BotanicLab VouchesJuly 10, 2001
Turmoil Over Prostate Cancer Supplement -- Estrogen Added or Missing?
July 9, 2001
Prostate Cancer Herbal Mix Alleged
to Contain Synthetic Estrogen (DES),
Samples Testing DES-Free Claimed
Less Effective July 8, 2001
Prostate Cancer Herbal Mixture
Avoids Osteoporosis of Chemical Hormonal Blockade May 13, 2001
PC SPES, Herbal Compound, Lowers
PSA in Men With Advanced Prostate Cancer, UCSF Study Finds: October 28, 2000
PC-SPES Effects on Patients With
Androgen Dependent Prostate Cancer: May 20, 2000
PC-SPES Update
The Herbal Therapy Lowers PSA in Men With Advanced Prostate
Cancer, UCSF Study Shows: May 6 - July 9, 1999.
PC-SPES Contains Estrogen, Lowers
Testosterone and PSA: November 26, 1998
Test Report, DiPaolo (1998)
Figure 3. Results of High-Performance Liquid Chromatography, Gas Chromatography, and Mass Spectrometry of PC-SPES and the Estrogens Estrone, Estradiol, and Diethylstilbestrol (DES).
Page last updated June 20, 2006.
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