IR BioSciences Holdings, Inc. operates as a development stage biotechnology company in the United States. The company, through its subsidiary, ImmuneRegen BioSciences, Inc., engages in the research and development of therapies in the areas of pulmonary fibrosis, influenza infection, and radiation-induced Neutropenia. It is involved in the development of Homspera, and its derivates Radilex and Viprovex, for human stem cell stimulation, immune system stimulation and anti-infective activity, vaccine adjuvancy, and wound healing. IR BioSciences Holdings, Inc. was founded in 1999 and is headquartered in Scottsdale, Arizona.