Zelluna ASA, a clinical-stage biotechnology company, engages in the development of T-cell receptor guided natural killer cell therapies in Norway. It develops ZI-MA4-1 which is in Phase I clinical trial for the treatment of non-small cell lung cancer, ovarian, and head and neck synovial sarcoma; ZI-KL1-1 which is in preclinical trial for the treatment of breast, gastric, lung, pancreatic, and cervix cancers; and ZI-PR-1 which is in discovery stage for the treatment of solid tumors. The company was incorporated in 2016 and is headquartered in Oslo, Norway.