Bionomics Limited is a clinical-stage biopharmaceutical company that develops drug candidates for central nervous system disorders and cancers in Australia and the United States. It has several lead drug candidates that are undergoing different phases of clinical trials for the treatment of social anxiety disorder, post-traumatic stress disorder, cognitive impairment in Alzheimer's disease, cancer stem cells, refractory colorectal cancer, and relapsed/refractory chronic lymphocytic leukemia. The company has a licensing agreement with Merck & Co., Inc.