Windward Bio confirmed that data reinforce confidence in WIN378 and its potential to offer a new treatment option for severe asthma.

Windward Bio is a clinical-stage biotechnology company with deep discovery, development, and commercialization expertise committed to transforming the treatment of people living with advanced immunological conditions. Its lead program is WIN378, a potential best-in-disease, long-acting anti-TSLP monoclonal antibody currently in a Phase 2 trial for asthma. The pipeline also includes WIN027, a clinical-stage, long-acting anti-TSLPxIL-13 bispecific, which has broad therapeutic application across immunological diseases. The company is building a pipeline of long-acting bispecific antibodies, targeting validated biology in respiratory and dermatological conditions. Windward Bio launched in January 2025 with a $200M Series A led by top-tier investors.