Allakos Inc., a clinical stage biotechnology company, develops therapeutics that target immunomodulatory receptors present on immune effector cells in allergy, inflammatory, and proliferative diseases in the United States. The company's lead product candidate is AK006, which in a Phase I clinical trial for the treatment of chronic spontaneous urticaria (CSU) and other indications. The company was incorporated in 2012 and is headquartered in San Carlos, California.