Group 1 - The global market for Multiple Sclerosis (MS) products is approximately $20 billion, with a significant focus on Relapsing Multiple Sclerosis (RMS) treatments [1][2] - The existing approved products primarily target RMS, while there is a notable unmet clinical need in the Progressive Multiple Sclerosis (PMS) area, with only one product, Ocrelizumab, approved for Primary Progressive Multiple Sclerosis (PPMS) [2][3] - The patient base for MS is substantial, with projections indicating that the number of MS patients globally will reach 3.71 million by 2030 [1] Group 2 - BTK inhibitors are expected to address the treatment gap in PMS, with their ability to penetrate the blood-brain barrier and modulate key immune cells [3] - Sanofi's Tolebrutinib and Roche's Fenebrutinib are anticipated to release Phase III clinical trial data in the second half of 2025, which could enhance the value of BTK inhibitors in PMS [3][4] - Tolebrutinib has received priority review from the FDA for the treatment of non-relapsing Secondary Progressive Multiple Sclerosis (nrSPMS), with a PDUFA date set for September 28, 2025 [4]
开源证券：MS全球存量患者基数较大 BTKi发展前景广阔