The U.S. FDA approval of Johnson & Johnson’s Imaavy (nipocalimab-aahu) for myasthenia gravis brings the monoclonal antibody into a treatment space that teems with competition, both approved and in-development candidates. The human Fc receptor inhibitor was approved to treat generalized myasthenia gravis in patients who are 12 years and older. Patients must be anti-acetylcholine receptor [AChR] or anti-muscle-specific kinase [MuSK] antibody positive. Anti-AChR and anti-MuSK antibody-positive individuals make up more than 90% of all antibody-positive gMG patients.
Jiangsu Hengrui Pharmaceuticals Co. Ltd. is the latest mainland China pharmaceutical company to seek a capital raise on the Hong Kong stock exchange, winning clearance April 28 from the China Securities Regulatory Commission to float new H-shares.
China’s National Medical Products Administration has given the thumbs up to Akeso Pharmaceuticals Inc.’s ebdarokimab for treating moderate to severe plaque psoriasis in adults. An interleukin (IL)-12/IL-23 dual-targeted monoclonal antibody, ebdarokimab (also known as AK-101) is the company's first class 1 new drug approved for autoimmune diseases.
Watchers of the percolating myasthenia gravis space are waiting eagerly for data from Dianthus Therapeutics Inc.’s phase II Magic study testing DNTH-103, an active C1s inhibitor, compared to placebo in patients with anti-AChR-positive generalized disease.
Earendil Labs will collaborate with Sanofi SA in a $1.8 billion license deal. Earendil, which specializes in artificial intelligence-based R&D for biologics, is getting $125 million up front and $50 million as a near-term payment. In return, Sanofi gets the exclusive global rights to the bispecific antibodies HXN-1002 and HXN-1003.
After more than three years of discussion, the World Health Organization’s Intergovernmental Negotiating Body (INB) has agreed on a proposal to prevent, prepare and respond to a pandemic. The plan is born, the INB proposal said, out of inequities around the world that slowed timely and equitable access to health products to respond to the COVID-19 pandemic.
Remegen Co. Ltd. emerged as a surprise challenger in the generalized myasthenia gravis space, unveiling positive phase III data of its China-approved lupus drug, telitacicept (RCT-18; Tai’ai), in the rare autoimmune neuromuscular disorder at the 2025 American Academy of Neurology conference.
When an autoimmune disease disrupted the life of someone close to scientist Dario Gutierrez, an idea emerged for a new company called Merida Biosciences focused on removing misdirected antibodies and their negative effects using Fc biotherapeutics.
Cartesian Therapeutics Inc. followed up December’s phase IIb data with more good news regarding Descartes-08, offering 12-month efficacy and safety results that whetted Wall Street’s appetite for the phase III Aurora effort ahead. Milos Miljkovic, chief medical officer, told BioWorld that minimum symptom expression – among the areas where Descartes-08 shone, providing relief for “months and months after the last dose of treatment” – is especially important to patients.
Otsuka Pharmaceutical Development & Commercialization Inc. filed its BLA with the U.S. FDA for sibeprenlimab to treat immunoglobulin A nephropathy (IgAN). The company’s first BLA, sibeprenlimab is a monoclonal antibody (MAb) that selectively inhibits the activity of APRIL (A PRoliferation-Inducing Ligand) in adults with IgAN.
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