Regeneron(US:REGN) Globenewswire·2025-07-02 15:00Core Viewpoint - The FDA has granted accelerated approval for Lynozyfic™ (linvoseltamab-gcpt) to treat adult patients with relapsed or refractory multiple myeloma who have undergone at least four prior lines of therapy, marking a significant advancement in treatment options for this patient population [1][5][6]. Group 1: FDA Approval and Clinical Trial Results - Lynozyfic is the first FDA-approved BCMAxCD3 bispecific antibody, allowing for a flexible dosing schedule that can adapt based on patient response [2][3]. - The approval is based on the LINKER-MM1 trial, where 70% of patients achieved an overall response rate, with 45% achieving a complete response or better [6][5]. - The median time to first response was 0.95 months, and the median duration of response was not reached, with an estimated 89% of responders maintaining their response at 9 months [6][12]. Group 2: Safety and Administration - Lynozyfic has a Boxed Warning for cytokine release syndrome (CRS) and neurologic toxicity, with common adverse reactions including musculoskeletal pain, cough, and fatigue [4][18]. - The treatment involves a step-up dosing regimen, requiring hospitalization for safety during the initial doses [10][20]. - Lynozyfic is available only through a restricted program called the Lynozyfic Risk Evaluation and Mitigation Strategy (REMS) due to the associated risks [4][22]. Group 3: Company Commitment and Future Development - Regeneron is committed to advancing the treatment landscape for multiple myeloma and has launched Lynozyfic Surround™, providing financial and educational resources for patients [5][6]. - The company is rapidly advancing its clinical development program for Lynozyfic, exploring its use in earlier lines of therapy and in combination with other treatments [5][13]. - Regeneron utilizes its proprietary VelocImmune technology to develop Lynozyfic, showcasing its expertise in creating fully human antibodies [9][17].