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WKN: A41ESB | ISIN: CNE1000070H8 | Ticker-Symbol:
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Nanjing Leads Biolabs Co., Ltd.: First-in-Class Potential! FDA Clears IND Application for LBL-047, an Anti-BDCA2/TACI Bispecific Fusion Protein Developed by Leads Biolabs

NANJING, China, Sept. 22, 2025 /PRNewswire/ -- Nanjing Leads Biolabs Co., Ltd. ("Leads Biolabs" or the "Company", Stock Code: 9887.HK) announced that the U.S. Food and Drug Administration (FDA) has approved its first-in-human Investigational New Drug (IND) application for LBL-047 on September 19, 2025. LBL-047 is a bispecific fusion protein composed of a humanized anti-blood dendritic cell antigen 2 (BDCA2) antibody and an engineered transmembrane activator and CAML interactor (TACI) ectodomain independently developed by Leads Biolabs. There are currently no approved clinical trials of drugs targeting both BDCA2 and TACI worldwide. With this unique mechanism of action, LBL-047 holds strong first-in-class potential.

Dr. Charles Cai, Chief Medical Officer of Leads Biolabs, stated: "Autoimmune diseases often require lifelong management and represent the third most common chronic illness after cardiovascular diseases and cancer, underscoring the urgent need for safe and effective long-term therapies. LBL-047, our first autoimmune therapeutic candidate to enter the clinic, represents a major milestone in translating foundational immunology research into clinical development. This achievement also marks the expansion of our pipeline beyond oncology into autoimmune diseases."

Dr. Xiaoqiang Kang, Founder, Chairman and CEO of Leads Biolabs, added, "In addition to our leading focus on oncology, we are committed to leveraging our immunology expertise to address chronic, underserved diseases such as autoimmune disorders. Our approach to antibody-based therapeutics is guided by a deep understanding of disease pathogenesis and powered by our advanced engineering platforms. LBL-047, along with our other autoimmune candidate LBL-051, reflects our strategy of developing bi- and tri-specific antibody modalities to rapidly deliver meaningful clinical benefit to patients worldwide.".

About LBL-047

B cells and plasmacytoid dendritic cells (pDCs) are both central drivers of autoimmune disease pathogenesis. BAFF (B-cell activating factor) and APRIL (a proliferation-inducing ligand) are key cytokines that promote the differentiation, maturation, and function of B cells and plasma cells. An engineered TACI domain can be used to trap BAFF and APRIL, thereby inhibiting their signaling. pDCs can produce large amounts of type I interferons (IFN-I, including IFN-a/ß), activate T and B cells, and participate in autoimmune pathogenesis. BDCA2, a receptor uniquely expressed on pDCs, effectively inhibits IFN-I release and downstream effects upon activation.??

By targeting both BDCA2 and BAFF/APRIL, LBL-047 is designed to simultaneously inhibit pDC activity and B-cell maturation, providing a synergistic approach to treating autoimmune diseases such as systemic lupus erythematosus, dermatomyositis, IgA nephropathy and Sjögren's syndrome. LBL-047 is further optimized with glycosylation modifications to enhance antibody-dependent cellular cytotoxicity (ADCC) and Fc engineering for an extended half-life.

About Leads Biolabs

Founded in 2012, Leads Biolabs is a clinical-stage biotechnology company dedicated to the discovery, development, and commercialization of innovative therapies to address underserved medical needs in oncology, autoimmune, and other severe diseases both in China and globally.

We are a front-runner in next-generation immuno-oncology treatments with a differentiated pipeline of 14 innovative drug candidates, including six clinical-stage drug candidates, of which four lead products are among the top-tier clinically advanced candidates globally.

We adopt a science-driven R&D approach and have successfully established comprehensive R&D capabilities spanning antibody discovery and engineering, in vivo and in vitro efficacy evaluation, as well as druggability assessment. We have also developed multiple proprietary technology platforms, including LeadsBody platform (a CD3 T-cell engager platform), X-body platform (a 4-1BB engager platform), TOPiKinectics (ADC platform), which serve as the cornerstone for our continued innovation and have been validated by the clinical outcomes of our bispecific antibody portfolios.

We have established integrated capabilities across early discovery, translational medicine, clinical development, CMC and business development. The innovative nature and competitive strengths of our drug candidates, coupled with our global perspectives, proactive strategy, and efficient clinical validation, have made us an attractive partner for leading industry players and venture capitals. For more information, please visit https://en.leadsbiolabs.com/

SOURCE Leads Biolabs

© 2025 PR Newswire
Solarbranche vor dem Mega-Comeback?
Lange galten Solaraktien als Liebling der Börse, dann kam der herbe Absturz: Zinsschock, Überkapazitäten aus China und ein Preisverfall, der selbst Marktführer wie SMA Solar, Enphase Energy oder SolarEdge massiv unter Druck setzte. Viele Anleger haben der Branche längst den Rücken gekehrt.

Doch genau das könnte jetzt die Chance sein!
Die Kombination aus KI-Explosion und Energiewende bringt die Branche zurück ins Rampenlicht:
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