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Bengaluru: Regeneron Pharmaceuticals said on Wednesday the U.S. Food and Drug Administration has approved its drug for a type of blood cancer called multiple myeloma that has recurred in patients who had received at least four other therapies earlier. Shares of the company rose 2% following the approval. The company said it is "working diligently" to make the therapy, branded Lynozyfic , commercially available as quickly as possible, and has set a wholesale acquisition cost of $470 per 5 mg vial and $18,800 per 200 mg vial. The accelerated approval was based on a mid-stage trial, in which 70 per cent of patients on Lynozyfic saw their cancer shrink or disappear, while 45 per cent achieved a complete disappearance of their cancer. Lynozyfic is a type of drug called monoclonal antibody that works by targeting two proteins - one found on myeloma cells known as BCMA and another one found on immune T-cells called CD3. These so-called " bispecific antibodies " are "paradigm shifting," Andres Sirulnik, Regeneron's clinical development head for hematology, said. Regeneron is exploring moving such drugs to earlier lines of therapy as they can replace many of the existing treatments used as a standard of care, Sirulnik added. Other bispecific antibodies approved for multiple myeloma are Johnson & Johnson's Tecvayli and Pfizer's Elrexfio. Like Elrexfio and Tecvayli, Lynozyfic comes with a boxed warning for neurologic toxicity and cytokine release syndrome, a condition where the immune system reacts more aggressively. Over 36,000 new cases of multiple myeloma are estimated to be diagnosed in the U.S. in 2025, according to the American Cancer Society. Regeneron estimates about 4,000 new cases will be among those who have received four or more lines of treatment. (Reporting by Puyaan Singh in Bengaluru; Editing by Sahal Muhammed and Leroy Leo)

Regeneron’s drug joins two fellow BCMAxCD3 bispecific antibodies already at market in the US. Credit: lev radin via Shutterstock. Regeneron has won US Food and Drug Administration (FDA) approval for Lynozyfic (linvoseltamab-gcpt), marking the entry of another BCMAxCD3 bispecific drug in the multiple myeloma (MM) treatment space. Via an accelerated approval, Lynozyfic is indicated to treat adult patients with relapsed or refractory multiple myeloma (r/r MM) who have received at least four prior lines of therapy, including a proteasome inhibitor, an immunomodulatory agent and an anti‑CD38 monoclonal antibody. Regeneron’s drug joins two fellow BCMAxCD3 bispecific antibodies already at market in the US – Johnson & Johnson’s (J&J) Tecvayli and Pfizer’s Elrexfio. Despite playing catch-up with its rivals, Regeneron’s product offers a dosing advantage. Lynozyfic, which stimulates T-cells to recognise and destroy cancer cells, can be administered monthly after 24 weeks of therapy, depending on how well the patient responds. Meanwhile, J&J’s Tecvayli can be given every two weeks in patients who show a good response after at least six months, and Elrexfio has the same dosing interval from week 25 onward. Lynozyfic also has a fortnightly dosing schedule for patients starting from week 14. Regeneron’s Phase I/II Linker-MM1 trial (NCT03761108) with Lynozyfic demonstrated an objective response rate of 70% in 80 patients with MM. Tecvayli and Elrexfio had response rates of 63% and 56% in their respective trials, though direct comparisons are difficult to draw without a head-to-head study. GlobalData Strategic Intelligence US Tariffs are shifting - will you react or anticipate? Don’t let policy changes catch you off guard. Stay proactive with real-time data and expert analysis. By GlobalData Learn more about Strategic Intelligence Boxed warnings are common for T-cell directing drugs, and Lynozyfic is no different. It comes with one for cytokine release syndrome (CRS) and neurologic toxicity – including immune effector cell-associated neurotoxicity syndrome – in addition to warnings and precautions for infections, neutropenia, hepatotoxicity and embryo-foetal toxicity. It is unclear how Regeneron will challenge J&J and Pfizer in MM, who both reached the market first but have less convenient dosing options. Justin Holko, Regeneron’s senior vice-president for global oncology/haematology commercial business, told Pharmaceutical Technology : “We don’t comment on sales figures or market share, but believe Lynozyfic has the potential to provide significant benefit to multiple myeloma patients, society and the healthcare system.” Tecvayli generated $549m in 2024 while Elrexfio secured $133m. MM is the second most common blood cancer, and revenue for these drugs is expected to skyrocket. Tecvayli, for example, is forecast to reach nearly $4.5bn in annual sales by 2031, according to GlobalData’s Pharma Intelligence Center. Similar analysis predicts Lynozyfic will generate $707m in sales by that year, a lower figure primarily due to Regeneron’s later market entry. International Myeloma Foundation’s interim CEO Diane Moran said: “[Lynozyfic] provides appropriate multiple myeloma patients and their care teams with a novel patient-centric treatment option that includes a dosing schedule that can be adapted based on patient response. We appreciate Regeneron’s continued research to further advance treatment for this community.” Pharmaceutical Technology Excellence Awards - Have you nominated? Nominations are now open for the prestigious Pharmaceutical Technology Excellence Awards - one of the industry's most recognised programmes celebrating innovation, leadership, and impact . This is your chance to showcase your achievements, highlight industry advancements , and gain global recognition . Don't miss the opportunity to be honoured among the best - submit your nomination today! Nominate Now