Globenewswire·2025-09-29 11:00Core Insights - Vor Bio is advancing telitacicept for the treatment of autoimmune diseases, with a focus on primary Sjögren's disease, and will present clinical data from a Phase 3 study at ACR Convergence 2025 [1][2] Company Overview - Vor Bio is a clinical-stage biotechnology company dedicated to transforming the treatment of autoimmune diseases, particularly through the development of telitacicept [3] - The company aims to rapidly advance telitacicept through Phase 3 clinical development and commercialization to address serious autoantibody-driven conditions globally [3] Product Information - Telitacicept is a novel investigational recombinant fusion protein that selectively inhibits BLyS (BAFF) and APRIL, two cytokines crucial for B cell and plasma cell survival, thereby reducing autoreactive B cells and autoantibody production [4] - The drug has shown a placebo-adjusted improvement of 4.83 points in the MG-ADL scale at 24 weeks in a Phase 3 trial for generalized myasthenia gravis [4] Regulatory Progress - RemeGen, a collaborator of Vor Bio, announced the acceptance of its Biologics License Application (BLA) for telitacicept for primary Sjögren's disease by the National Medical Products Administration (NMPA) in China, marking its fourth approved indication in the country [2][5] Disease Context - Sjögren's disease is a chronic autoimmune condition characterized by overactive B cells that lead to inflammation and damage to moisture-producing glands, with symptoms including dry eyes, dry mouth, fatigue, and systemic complications [6][7] - The disease is underdiagnosed, with approximately half of the cases unrecognized, and predominantly affects women [7]