Peregrine Researchers Report Data Showing Bavituximab's Potential to Shrink Human Prostate Tumors in Model of Relaps...( - Adding Bavituximab to Standard ...),Health

- Adding Bavituximab to Standard Regimen of Androgen Deprivation and Chemotherapy Reduced Size of Formerly Resistant Tumors by More than Half -

- Data Further Confirm Bavituximab's Potential to Enhance Multiple

Combination Regimens for Cancer Therapy -

ATLANTA, and TUSTIN, Calif., Sept. 7 /PRNewswire-FirstCall/ -- Peregrine Pharmaceuticals, Inc. (Nasdaq: PPHM), a clinical stage biopharmaceutical company developing targeted monoclonal antibodies for the treatment of cancer and hepatitis C virus (HCV) infection, today reported new preclinical studies showing an equivalent of its lead antibody bavituximab significantly shrank resistant human prostate tumors in mice when added to a standard regimen of androgen deprivation and docetaxel. The study findings will be presented today at the Innovative Minds in Prostate Cancer Today (IMPaCT) Conference in Atlanta by Dr. Yi Yin, a post-doctoral fellow in the laboratory of Dr. Philip Thorpe at UT Southwestern Medical Center in Dallas.

"These exciting results mimic the real life situation facing many prostate cancer patients whose disease is failing to respond to the standard combination of androgen deprivation and chemotherapy drugs such as docetaxel," said Dr. Thorpe. "In this study of human prostate tumors in mice, we have shown that administering a bavituximab equivalent significantly enhances the tumors' response to androgen deprivation and docetaxel, with the result that these large resistant tumors shrank by an average of more than 50% over the 13-week study. These findings further strengthen the rationale for use of bavituximab as part of combination therapy regimens for the treatment of prostate cancer."

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