MoonLake Immunotherapeutics develops medicines for immunologic diseases, including inflammatory skin and joint diseases. It focuses on enhancing its novel tri-specific Nanobody Sonelokimab (SLK) product, an inhibitor to treat multiple inflammatory diseases in dermatology and rheumatology where the pathophysiology is known to be driven by IL-17A and IL-17F. The company is conducting Phase II trials for hidradenitis suppurativa, psoriatic arthritis, ankylosing spondylitis, and radiographic axial spondyloarthritis. MoonLake Immunotherapeutics was founded in 2021 and is headquartered in Zug, Switzerland.