TESARO Announces $18-Million Milestone Payments
TESARO, Inc. recently announced the achievement of development milestones that trigger an $18-million payment from Janssen Biotech Inc. The milestones are related to Janssen’s ongoing GALAHAD trial, which is assessing niraparib monotherapy for the treatment of men with metastatic castration-resistant prostate cancer (mCRPC) and DNA-repair anomalies. Data from the trial are anticipated to support global regulatory filings in 2019.
In addition, data from the Phase 1b BEDIVERE trial were recently presented at the European Society of Clinical Oncology (ESMO) and demonstrated the safety and tolerability of combining niraparib with abiraterone acetate + prednisone (AA-P) in men with mCRPC. Data from the BEDIVERE trial will be used to inform the dosing regimen in a future Phase 3 trial that will assess the clinical benefit of niraparib in combination with AA-P in mCRPC patients.
TESARO entered into a global prostate collaboration and license agreement with Janssen in 2016, through which Janssen received rights to develop and commercialize niraparib for patients with prostate cancer worldwide, except Japan. Under the terms of the agreement, TESARO is eligible to receive development, regulatory, and commercial milestones, in addition to royalty payments.
GALAHAD is an ongoing Phase 2, open-label, single arm trial designed to evaluate the safety and efficacy of niraparib monotherapy (300 mg daily) in men with metastatic castration-resistant prostate cancer (mCRPC) and DNA-repair anomalies progressing on/after taxane-based chemotherapy and androgen receptor targeted therapy. Patients are enrolled in the study based on their DNA-repair deficiency status.
BEDIVERE is an ongoing Phase 1b, open-label, dose-selection study with dose expansion designed to evaluate the safety of niraparib in combination with AA-P in men with metastatic castration-resistant prostate cancer (mCRPC) who may or may not have had DNA-repair anomalies.
Niraparib is marketed in the United States and Europe under trade name ZEJULA. ZEJULA (niraparib) is a poly(ADP-ribose) polymerase (PARP) inhibitor indicated for the maintenance treatment of adult patients with recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer who are in a complete or partial response to platinum-based chemotherapy. In preclinical studies, ZEJULA concentrates in the tumor relative to plasma, delivering greater than 90% durable inhibition of PARP 1/2 and a persistent antitumor effect.
TESARO is an oncology-focused biopharmaceutical company dedicated to improving the lives of cancer patients by acquiring, developing and commercializing safer and more effective therapeutics. For more information, visit www.tesarobio.com.
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