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FDA APPROVES LIBTAYO® (CEMIPLIMAB-RWLC) MONOTHERAPY FOR PATIENTS WITH FIRST-LINE ADVANCED NON-SMALL CELL LUNG CANCER WITH PD-L1 EXPRESSION OF ≥50%


LUNGevityKristin

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TARRYTOWN, N.Y. and PARIS, Feb. 22, 2021 

Libtayo was superior in extending overall survival compared to chemotherapy in a pivotal trial that allowed for certain disease characteristics frequently underrepresented in advanced NSCLC trials

This is the third approval for Libtayo in the U.S.

Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) and Sanofi today announced that the U.S. Food and Drug Administration (FDA) has approved the PD-1 inhibitor Libtayo® (cemiplimab-rwlc) for the first-line treatment of patients with advanced non-small cell lung cancer (NSCLC) whose tumors have high PD-L1 expression (tumor proportion score ≥50%), as determined by an FDA-approved test. Patients must either have metastatic or locally advanced tumors that are not candidates for surgical resection or definitive chemoradiation, and the tumors must not have EGFR, ALK or ROS1 aberrations.

"The approval of Libtayo to treat first-line advanced non-small cell lung cancer with high PD-L1 expression means physicians and patients have a potent new treatment option against this deadly disease," said Naiyer Rizvi, M.D., Price Family Professor of Medicine, Director of Thoracic Oncology and Co-director of Cancer Immunotherapy at Columbia University Irving Medical Center, as well as a steering committee member of the trial. "Notably, Libtayo was approved based on a pivotal trial where most chemotherapy patients crossed over to Libtayo following disease progression, and that allowed for frequently underrepresented patients who had pretreated and clinically stable brain metastases, or who had locally advanced disease and were not candidates for definitive chemoradiation. This gives doctors important new data when considering Libtayo for the varied patients and situations they treat in daily clinical practice."

This is the third approval for Libtayo and follows a Priority Review by the FDA, which is reserved for medicines that represent significant improvements in safety or efficacy in treating serious conditions. Earlier this month, Libtayo was approved as the first immunotherapy indicated for patients with advanced basal cell carcinoma (BCC) previously treated with a hedgehog pathway inhibitor (HHI) or for whom an HHI is not appropriate, with full approval granted for locally advanced disease and accelerated approval granted for metastatic disease. In 2018, Libtayo was the first systemic treatment approved for adults with advanced cutaneous squamous cell carcinoma (CSCC) that is locally advanced or metastatic and who are not candidates for curative surgery or curative radiation. Immune-mediated adverse reactions, which may be severe or fatal, can occur in any organ system or tissue during or after treatment with Libtayo.

"Libtayo has demonstrated an impressive level of efficacy in advanced NSCLC with at least 50% PD-L1 expression in its pivotal trial," said Ahmet Sezer, M.D., Professor in the Department of Medical Oncology at Başkent University in Adana, Turkey and a trial investigator. "As published in The Lancet, in a prespecified analysis in the subset of patients proven to have PD-L1 expression of at least 50%, Libtayo reduced the risk of death by 43% compared to chemotherapy. This was achieved with a greater than 70% crossover rate to Libtayo following disease progression on chemotherapy, as well as the largest population of patients with pretreated and clinically stable brain metastases among advanced NSCLC pivotal trials to date."

The data supporting the Libtayo approval are based on an analysis of 710 patients who were randomized to receive treatment in a Phase 3 trial; eligible patients were intended to have PD-L1 expression of ≥50%. In this patient population, Libtayo reduced the risk of death by 32% compared to chemotherapy...

Click to continue: https://investor.regeneron.com/news-releases/news-release-details/fda-approves-libtayor-cemiplimab-rwlc-monotherapy-patients-first?fbclid=IwAR0GtSls8skOVKtqNIKXv-YZNFAiVl0_Vr_wz9ruEmIPb_huYBFQCjHXy9E

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