Abbisko Cayman Limited, together with its subsidiaries, engages in the research, discovery, and development of pharmaceutical products in Mainland China and the European Union. The company develops Pimicotinib (ABSK021), a small molecule CSF-1R inhibitor, which is in NDA/commercial stage for the treatment of tenosynovial giant cell tumors and Phase Ib/II for the treatment of chronic graft versus host disease; and Irpagratin