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Astellas Discontinues Development of its Late-Stage Non-Small Cell Lung Cancer Candidate

TOKYO, May 10, 2017 /PRNewswire/ — Astellas Pharma Inc. (TSE: 4503, President and CEO: Yoshihiko Hatanaka, “Astellas”) announced today the discontinuation of ASP8273 treatment arm in the the late-stage SOLAR trial evaluating the efficacy and safety of ASP8273 versus erlotinib/gefitinib for the 1st line treatment metastatic or advanced unresectable non-small cell lung cancer (NSCLC) harboring sensitizing epidermal growth factor receptor (EGFR) mutation. Following a recommendation by the trial’s Independent Data Monitoring Committee (IDMC), Astellas is voluntarily closing study randomization and is informing investigators that ASP8273 treatment must be discontinued. Astellas is also planning to terminate future development programs for ASP8273 in NSCLC following its governance process.

“We are disappointed to be discontinuing the ASP8273 program and want to thank the patients and physicians involved in the program for their commitment to seeking new treatments for patients with non-small cell lung cancer,” said Steven Benner, M.D., senior vice president and global therapeutic area head, oncology development, Astellas.

No new patients are being enrolled in ASP8273 trials and all patients currently receiving ASP8273 are encouraged to speak with their physician about their treatment.

About Astellas
Astellas Pharma Inc., based in Tokyo, Japan, is a company dedicated to improving the health of people around the world through the provision of innovative and reliable pharmaceutical products. We focus on Urology, Oncology, Immunology, Nephrology and Neuroscience as prioritized therapeutic areas while advancing new therapeutic areas and discovery research leveraging new technologies/modalities. We are also creating new value by combining internal capabilities and external expertise in the medical/healthcare business. Astellas is on the forefront of healthcare change to turn innovative science into value for patients. For more information, please visit our website at

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