AEOL-10150 is a small-molecule antioxidant developed by Aeolus (formerly Incara) for potential subcutaneous treatment for amyotrophic lateral sclerosis (ALS), stroke, spinal cord injury, lung inflammation, and mucositis. Structurally, AEOL-10150 functions as a superoxide-dismutase mimic and contains metalloporphyrin moiety. AEOL-10150 possess high superoxide-dismutase activity as well as catalase-like activity and has the capacity to scavenge peroxynitrite and lipid peroxides. In 2017 Aeolus Pharmaceuticals has announced that the FDA has granted Fast Track designation to AEOL 10150 for the prevention of fatal respiratory failure among patients at risk for radiation pneumonitis following a radiological/nuclear incident sufficient to cause the Acute Radiation Syndrome.