Pharmacyclics submits ibrutinib NDA to FDA for two B-cell malignancies

Published on July 10, 2013 at 7:37 AM · No Comments

Pharmacyclics, Inc. (Nasdaq: PCYC) today announced that it has submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for the investigational oral Bruton's tyrosine kinase (BTK) inhibitor, ibrutinib, for two relapsed/refractory B-cell malignancy indications: mantle cell lymphoma (MCL) and chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL). The submission was based on data from Phase II studies in patients with relapsed/refractory MCL and in patients with relapsed/refractory CLL/SLL. With this submission, Pharmacyclics is also requesting Priority Review. Pharmacyclics is jointly developing ibrutinib with Janssen.

The NDA submission follows the receipt of a Breakthrough Therapy Designation from the FDA in February 2013 for ibrutinib as a monotherapy for the treatment of patients with relapsed/refractory MCL, and receipt of a second Breakthrough Therapy Designation for the treatment of patients with CLL/SLL with deletion of the short arm of chromosome 17 (del 17p). Further information on the implications of this filing for potential commercialization will be provided subsequent to the FDA rendering a decision on the filing.

"We are very excited having achieved this major milestone. This first NDA for ibrutinib was made possible in record time because of the continuous support and consultations we received from the FDA," said Dr. Urte Gayko, Senior Vice President of Global Regulatory Affairs, Pharmacyclics. "We look forward to continuing to work with the FDA as they review the application for ibrutinib through the new Breakthrough Therapy Designation process."

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