OSAKA, Japan--Takeda Pharmaceutical Company Limited (TSE:4502) announced today that it has voluntarily decided to end the development program for orteronel (TAK-700) for prostate cancer. The decision follows the results of two Phase 3 clinical trials in metastatic, castration resistant prostate cancer (mCRPC). The studies found while orteronel plus prednisone could extend the time patients lived before their cancer progressed, it did not extend overall survival in these patients. After careful consideration of the data from these trials, the company has determined that the drug has not demonstrated a clinical profile sufficient to move forward in mCRPC, given the availability of other therapies.
On May 14, 2014, Takeda announced results from ELM-PC4, a pivotal, international, double blind, randomized Phase 3 trial in men with mCRPC who had not received chemotherapy, which showed that orteronel plus prednisone improved radiographic progression free survival (rPFS) compared to prednisone alone, one of the study's two primary endpoints, but did not show a statistically significant improvement in the study's second primary endpoint of overall survival (OS). A previously reported Phase 3 trial, ELM-PC5, in men with mCRPC that had progressed during or following chemotherapy, was unblinded in 2013 after a pre-specified interim analysis indicated that orteronel plus prednisone would likely not meet the primary endpoint of improved overall survival when compared to the control arm. The interim analysis did show an advantage for orteronel plus prednisone for the secondary endpoint, radiographic progression-free survival over the control arm. There were no significant safety concerns in either study.
Takeda is in communication with trial investigators and the relevant regulatory authorities, to provide them with updated and current information in compliance with local regulations. Takeda is working with trial investigators and local regulatory authorities to ensure that patients who participated in the orteronel (TAK-700) trials are transitioned to appropriate therapies so that trial participants receive appropriate care. Patients enrolled in the orteronel (TAK-700) clinical trials are urged to consult their study investigators to address any questions, and before making any changes to their medication. For additional information, please visit www.takeda.com.
Takeda remains committed to oncology and to the treatment of prostate cancer.
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About Takeda Pharmaceutical Company Limited
Located in Osaka, Japan, Takeda is a research-based global company with its main focus on pharmaceuticals. As the largest pharmaceutical company in Japan and one of the global leaders of the industry, Takeda is committed to strive towards better health for people worldwide through leading innovation in medicine. Additional information about Takeda is available through its corporate website, www.takeda.com.
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Takeda Pharmaceutical Company Limited
Corporate Communications Department, +81-3-3278-2037
Elizabeth Pingpank, 617-444-1495