Evommune, Inc. is a clinical-stage biotechnology company. The company is headquartered in Palo Alto, California and currently employs 45 full-time employees. The company went IPO on 2025-11-06. Its initial clinical development programs are focusing on chronic spontaneous urticaria (CSU), atopic dermatitis (AD) and ulcerative colitis (UC). Its product candidates include EVO756 and EVO301. The firm's advanced clinical-stage product candidate, EVO756, is a potent and highly selective oral small molecule antagonist of MRGPRX2, a receptor predominantly found on mast cells and peripheral sensory neurons, which is initially being evaluated in Phase II trials for the treatment of CSU and AD. The firm's second clinical-stage product candidate, EVO301, is a long-acting fusion protein consisting of an IL-18 binding protein (BP) and an anti-serum albumin Fab-associated (SAFA) domain, which is being evaluated in Phase II trials for the treatment of AD and UC.