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FDA approves Libtayo® as first immunotherapy indicated for patients with advanced basal cell carcinoma

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FDA approves Libtayo

The U.S. Food and Drug Administration (FDA) has approved the PD-1 inhibitor Libtayo® (cemiplimab-rwlc) 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. Full approval was granted for patients with locally advanced BCC and accelerated approval was granted for patients with metastatic BCC.

“Patients with advanced forms of basal cell carcinoma face a very difficult prognosis,” said Peter Adamson, Global Development Head, Oncology and Pediatric Innovation at Sanofi. “Thanks to the participation and support of researchers, clinicians, and patients around the world, we are proud to bring forward a new immunotherapy treatment option for appropriate patients in the U.S. affected by advanced BCC, another devastating non-melanoma skin cancer. Together with Regeneron, we continue to develop Libtayo in numerous clinical trials and settings, including as monotherapy and in combination with several other therapeutic approaches as part of our commitment to innovation towards meaningful treatment options for patients with significant unmet needs.”

Libtayo is the first treatment to show a clinical benefit in patients with advanced BCC after HHI therapy in a pivotal trial. The full approval in locally advanced BCC is based on the primary analysis from the trial, and the accelerated approval in metastatic BCC is based on an interim analysis showing the impact of Libtayo on tumor response rate and durability of response. Continued approval may be contingent on additional data from the trial verifying clinical benefit.

“Today’s FDA approval of Libtayo will change the treatment paradigm for patients with advanced basal cell carcinoma,” Karl Lewis, M.D., Professor in the Division of Medical Oncology at the University of Colorado and a trial investigator. “Advanced basal cell carcinoma is a persistent, painful and highly disfiguring cancer. While the primary systemic treatment options are hedgehog inhibitors, many patients will eventually progress on or become intolerant to this therapy. With Libtayo, these patients now have a new immunotherapy option that has demonstrated clinically meaningful and durable anti-tumor responses in locally advanced BCC.”


This marks the second U.S. approval for Libtayo, and is based on FDA Priority Review, which is reserved for medicines that, if approved, would represent significant improvements in safety or efficacy in treating serious conditions. In 2018, Libtayo was approved as the first systemic treatment for adults with metastatic cutaneous squamous cell carcinoma (CSCC) or locally advanced CSCC 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.

BCC is the most common type of skin cancer in the U.S., with approximately two million new cases diagnosed every year. While the vast majority of BCCs are caught early and cured with surgery and radiation, a small proportion of tumors can become advanced and penetrate deep into surrounding tissues (locally advanced) or spread to other parts of the body (metastatic), which is more difficult to treat.


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