AstraZeneca's Risky Lynparza Endpoint In Pancreatic Cancer Goes Before Advisory Cmte.
US FDA usually recommends using overall survival for pancreatic cancer drugs, but AstraZeneca chose progression-free survival; now ODAC will weigh in on whether the PARP inhibitor olaparib demonstrated a clinically meaningful impact. The firm cites enrollment and design challenges in the gBRCAm population as reasons for using PFS.
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AstraZeneca's PARP inhibitor Lynparza becomes first US FDA-approved drug for pancreatic cancer based on progression-free survival endpoint, providing regulatory precedent for other sponsors to use that development approach; all other pancreatic cancer drugs had been approved based on an overall survival benefit.
ODAC meetings are usually few and far between – and rarely come with good news for the sponsor. Below are some lessons learned from the bounty (three!) held this week.
Lynparza doubled PFS in metastatic patients with germline mutations in BRCA but the FDA usually wants to see OS data before approving drugs for pancreatic cancer. Its advisory committee narrowly voted in favor of approval of the PARP inhibitor but will the agency follow suit?