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BioSante Pharmaceuticals Reports Positive LibiGel Safety Data Review for Phase III Program
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BioSante Pharmaceuticals Reports Positive LibiGel Safety Data Review for Phase III Program

BioSante Pharmaceuticals Reports Positive LibiGel Safety Data Review for Phase III Program
News

BioSante Pharmaceuticals Reports Positive LibiGel Safety Data Review for Phase III Program

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Data Monitoring Committee (DMC) has completed the eighth unblinded review of the LibiGel Phase III cardiovascular and breast cancer safety study, which has completed enrollment of subjects.
The independent DMC has recommended that the LibiGel safety study should continue as per the FDA-agreed protocol, without modifications. LibiGel (testosterone gel) is in development for the treatment of female sexual dysfunction (FSD), specifically, hypoactive sexual desire disorder (HSDD) in menopausal women.

BioSante reported that with 3,656 women enrolled and over 5,800 women-years of exposure in its LibiGel Phase III cardiovascular and breast cancer safety study, there have been 31 adjudicated cardiovascular (CV) events, with a lower than anticipated event rate of approximately 0.53 percent. In the same population of subjects, there have been 19 breast cancers reported, a rate of approximately 0.33 percent, which is in line with the ages of the subjects enrolled in the study.

"The DMC once again has recommended that the safety study continue as per the FDA-agreed protocol, without modification, as there were no general or specific safety issues based on their unblinded review of adverse events. We are pleased with the low number of CV events to date and we believe it is consistent with the safety of testosterone in this population," stated Michael Snabes, M.D., Ph.D., the senior vice president of medical affairs for BioSante.

Subjects have been enrolled in this study for an average of 19.3 months. More than 2,500 subjects have been enrolled in the study for more than a year and over 830 subjects have been enrolled for more than two years. The periodic reviews by the DMC are based on their mandate in accordance with FDA agreement on protocol-defined study oversight.

"BioSante's LibiGel Phase III safety study continues," said Stephen M. Simes, BioSante president & chief executive officer. "We plan to meet with the FDA to determine the best path forward for the program, and will make a decision as to the conduct of the LibiGel safety study during the second quarter of this year. We have instituted appropriate cost savings in order to minimize the continuing cost of the safety study. Although LibiGel did not meet the co-primary or secondary endpoints in two Phase III efficacy studies, BioSante continues to investigate alternative strategies to utilize the continuing LibiGel cardiovascular event and breast cancer safety study."

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