Takeda Pharmaceutical Co. Ltd.’s anti-CD38 antibody, mezagitamab (TAK-079), sustained kidney function up to 18 months after treatment ended in patients with primary immunoglobulin A (IgA) nephropathy, showing early signs of disease modification in a phase Ib study presented at the American Society of Nephrology’s Kidney Week 2025 in Houston.

Celltrion Inc. scored a hat-trick of deals to license new antibody candidates, including a $744 million deal with Kaigene Inc. Nov. 3, and a near $500 million deal with Mustbio Co. Ltd. Oct. 31.

Qyuns Therapeutics Co. Ltd. signed a potential $1.07 billion license deal with Roche Holding AG, granting the latter exclusive rights to QX-031N – a human thymic stromal lymphopoietin and interleukin-33)-targeting bispecific antibody.

Boehringer Ingelheim GmbH has licensed an unnamed small-molecule preclinical candidate from Kyowa Kirin Co. Ltd. in the autoimmune disease space in a deal worth up to €640 million (US$739 million).

For 75 years, the standard tools for autoimmune disease have consisted of steroids, cytotoxics and broad biologics that tamp down the entire immune system. They can help, but they are rarely curative. “They’re blunt instruments,” Regcell Inc. CEO Mike McCullar told BioWorld. “They can’t distinguish good immune cells and bad immune cells,” which is why many carry black-box warnings and must be taken for years, sometimes for life.

Based on positive phase III study results, Metis Techbio is planning to file an NDA for its AI-derived orally disintegrating tablet drug candidate for pseudobulbar affect, MTS-004, in China next year.

Biopharma companies announced $73.38 billion in deals from 240 transactions during the third quarter (Q3) of 2025, bringing the year-to-date total to $212.44 billion, up from $149.87 billion in the same period of 2024. The total marks the highest deal value through Q3 ever recorded by BioWorld.

Dianthus Therapeutics Inc. has joined the recent trend of companies licensing therapies in development from China. The company will pay as much as $1 billion to Nanjing Leads Biolabs Co. Ltd. for DNTH-212, a bifunctional BDCA2 and BAFF/APRIL inhibitor to treat autoimmune disorders. The payment comprises $30 million up front and some near-term milestones, plus an $8 million milestone for getting a phase I study underway. Leads Biolabs is in line to bring in another $962 million in milestones and royalties.

Japan’s investor community is ramping up both inbound and outbound investment to create a cross-border fertile hub of innovation in Japan, investors said during a panel discussion at Bio Japan 2025 held in Yokohama Oct. 8 to 10.

Bio Japan 2025 was abuzz with the news that Japan has once again snagged the Nobel Prize in Physiology or Medicine, with Shimon Sakaguchi winning for his discovery of a subtype of CD4-expressing T cells that affect the immune response. Earlier today, Susumu Kitagawa snatched the second Nobel Prize for Japan, this time in chemistry. Both Nobel Prize winners were professors at Kyoto University.