Exelixis Announces Initiation of Investigator-Sponsored Clinical Trial Combining Cabozantinib and Abiraterone in Men With Castration-Resistant Prostate Cancer
Exelixis Inc. (NASDAQ: EXEL) today announced the initiation of a phase 1 dose-finding trial of cabozantinib in combination with abiraterone in men with metastatic castration-resistant prostate cancer who have disease progression following treatment with up to two prior chemotherapy regimens. The study is designed to define the maximum tolerated dose (MTD) of cabozantinib in combination with abiraterone and prednisone. Abiraterone was approved by the FDA in April 2011 and is indicated in combination with prednisone for the second-line treatment of CRPC in men who have received prior chemotherapy containing docetaxel. The study is being led by Dr. Chris Sweeney at the Dana-Farber Cancer Institute. The Massachusetts General Hospital and Beth Israel Deaconess Medical Center will also participate in accrual to the study.
“The Exelixis clinical development strategy for cabozantinib in CRPC is designed to rationally exploit the compound's unique activity profile as both a single-agent and in combination with other therapies,” said Michael M. Morrissey, Ph.D., president and chief executive officer of Exelixis. “This investigator-sponsored trial is designed to provide important insight into the potential clinical utility of a combination of cabozantinib and abiraterone as a second-line regimen. Based on the extensive preclinical and clinical data generated to date for both compounds, we believe that a combination regimen of cabozantinib and abiraterone may provide CRPC patients with improved outcomes. Additional cabozantinib combination studies with other therapies are planned for the near future.”
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