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维立志博-B就LBL-047与DIANTHUS签订全球独家许可协议
Zhi Tong Cai Jing·2025-10-16 13:04

Core Viewpoint - The company has entered into a global exclusive licensing agreement with Dianthus Therapeutics to advance the clinical asset LBL-047, a novel anti-BDCA2-TACI bispecific fusion protein, which has received IND approval in the US and acceptance in mainland China [1][2]. Group 1: Licensing Agreement Details - The agreement grants Dianthus exclusive rights to develop, manufacture, and commercialize LBL-047 outside of Greater China, which includes mainland China, Hong Kong, Macau, and Taiwan [1]. - The company will receive an upfront payment of up to $38 million, along with potential milestone payments totaling up to $1 billion related to clinical development, regulatory, and commercialization achievements [1]. - The company will also earn tiered royalties on net sales outside of Greater China, with rates ranging from single digits to low double digits [1]. Group 2: Strategic Importance - The collaboration with Dianthus, recognized for its leadership in developing transformative therapies for severe autoimmune diseases, is expected to enhance the company's commitment to advancing innovative drug candidates into clinical stages [2]. - The agreement aligns with the overall best interests of the company and its shareholders [2]. Group 3: Mechanism and Potential of LBL-047 - LBL-047 targets BAFF/APRIL and BDCA2, aiming to simultaneously inhibit the activity of plasmacytoid dendritic cells (pDC) and the differentiation and activation of B cells and plasma cells [3]. - The drug shows strong therapeutic potential for autoimmune diseases such as systemic lupus erythematosus (SLE), dermatomyositis, IgA nephropathy (IgAN), and Sjögren's syndrome [3]. - LBL-047 is designed with glycosylation modifications to enhance its efficacy and broaden its immunosuppressive effects, while Fc region modifications extend its half-life, reducing dosing frequency and improving patient compliance [3].