Regeneron Pharmaceuticals announced that the FDA has accepted for priority review the supplemental Biologics License Application (sBLA) for PD-1 inhibitor Libtayo® (cemiplimab-rwlc) to treat patients with recurrent or metastatic cervical cancer whose disease progressed on or after chemotherapy. The target action date for the FDA decision is January 30, 2022. The sBLA is also being reviewed under the FDA's Project Orbis initiative, which will allow for concurrent review by participating health authorities in Australia, Brazil, Canada and Switzerland. Additional global regulatory submissions are planned, including in the European Union (EU) by the end of 2021.
The sBLA is supported by results from a Phase 3 trial that enrolled patients irrespective of PD-L1 expression status and is being conducted with The GOG Foundation, Inc. (GOG), the European Network for Gynaecological Oncological Trial groups (ENGOT) and NRG Oncology-Japan. Detailed results were first presented as part of a European Society for Medical Oncology (ESMO) Virtual Plenary in May 2021.
Cervical cancer is the fourth leading cause of cancer death in women worldwide and is most frequently diagnosed in those between the ages of 35 and 44. Almost all cases are caused by human papillomavirus (HPV) infection, with approximately 80% classified as squamous cell carcinoma (SCC; arising from cells lining the bottom of the cervix) and the remainder being largely adenocarcinomas (arising from glandular cells in the upper cervix). Cervical cancer is often curable when detected early and effectively managed, but treatment options are more limited in advanced stages.
It is estimated that approximately 570,000 people are diagnosed with cervical cancer worldwide each year, with deaths exceeding 250,000. In the U.S. there are 14,500 new cases diagnosed annually and approximately 4,000 die each year.
Libtayo, which was invented using Regeneron's proprietary VelocImmune® technology, is being jointly developed by Regeneron and Sanofi under a global collaboration agreement. The use of Libtayo in advanced cervical cancer is investigational, and its safety and efficacy have not been fully evaluated by any regulatory authority.
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