Neuralstem, Inc., (NASDAQ:CUR) a clinical stage biopharmaceutical company focused on nervous system therapies based on its proprietary human neuronal stem cells and small molecule compounds. The company's stem cell based technology enables the isolation and expansion of human neural stem cells from various areas of the developing human brain and spinal cord enabling the generation of physiologically relevant human neurons of various types. The firm's lead product candidate is NSI-189, a chemical entity, which has completed Phase II clinical trial for the treatment of major depressive disorder, as well as is in preclinical study for the treatment-refractory depression, Angelman Syndrome, Alzheimer's disease, ischemic stroke, diabetic neuropathy, irradiation-induced cognitive deficit, and long-term potentiation enhancement. The company also develops NSI-566, which has completed Phase II clinical trial for treating amyotrophic lateral sclerosis disease; Phase II clinical trial for the treatment of chronic ischemic stroke; and Phase I clinical trials for the treatment of chronic spinal cord injury, as well as is in preclinical study for the traumatic brain injury. In addition, it develops NSI-532, which is in preclinical study for treatment of Alzheimer's disease; and NSI-777 that is in preclinical study for treatment of human demyelinating diseases. Somewhat reduced in personnel count despite some significant money raising activity in 2016-17, the firm is once again active in SBIR (2019) after a decade of non-participation.