Zenas Biopharma Inc.’s positive data from the phase III Indigo trial with obexelimab in immunoglobulin G4-related disease (IgG4-RD) set investigators to speculating about the bifunctional antibody’s odds in the marketplace, as the Waltham, Mass.-based firm plans a BLA submission the U.S. FDA in the second quarter of this year.

December 2025 was a big month for announcements from Psithera Inc. The Watertown, Mass.-based newco announced its name change from Psivant Therapeutics, having come out from under the Roivant Sciences Ltd. umbrella – thus the dropping of the “-vant” name. The company also announced a $47.5 million series A financing and disclosed that Eric Shaff had started as the company’s new president and CEO.

Excessive production of pro-inflammatory cytokines or aging-related chronic inflammation disrupts immunity and diminishes the efficacy of vaccines, although the underlying mechanisms remain unknown. Moreover, these pro-inflammatory cytokines are linked to adverse vaccine reactions. These two issues can lead to vaccine hesitancy, resulting in lower vaccination rates.

A review of 2025's noteworthy advances in medical research, including GLP-1 receptor agonists as anti-aging drugs, tumor-agnostic therapies and xenotransplants.

A review of 2025's noteworthy advances in medical research, including GLP-1 receptor agonists as anti-aging drugs, tumor-agnostic therapies and xenotransplants.

Multiple sclerosis (MS) is a chronic immune-mediated disease characterized by the destruction of myelin sheaths, neuroaxonal damage, glial cell activation and formation of demyelinated plaques in the CNS. Since MS is considered a prototypic antigen-specific autoimmune disease, restoring immune tolerance to self-antigens is being explored as a therapeutic strategy.