Ge Long Hui·2025-08-29 10:25Core Insights - BeiGene announced positive results from the Phase 1/2 clinical trial of its next-generation BCL2 inhibitor, Sotorasib, for treating adult patients with mantle cell lymphoma (MCL) who have previously received BTK inhibitors and anti-CD20 therapy [1][2] - The trial demonstrated significant and durable responses, indicating the potential of Sotorasib to provide the first BCL2 inhibitor treatment option for MCL patients if approved [1][2] Company Developments - The clinical study (BGB-11417-201) enrolled 125 adult patients with MCL, with 22 patients in the first part receiving daily doses of 160 mg or 320 mg of Sotorasib to assess safety and tolerability [1] - In the second part, 103 patients received the recommended daily dose of 320 mg to evaluate efficacy and safety [1] - The study achieved the primary endpoint of overall response rate (ORR) and showed positive results in secondary endpoints, including complete response rate (CRR), duration of response (DOR), and progression-free survival (PFS) [2] Regulatory Progress - BeiGene is submitting data to the FDA and global regulatory agencies to seek potential approval for Sotorasib in MCL indications [2] - The new drug application for Sotorasib for treating MCL and CLL/SLL patients has been accepted by the National Medical Products Administration (NMPA) in China and is under priority review [2] - A confirmatory Phase 3 study (BGB-11417-302) is ongoing, with the first patient enrolled earlier this year [2]