StemCells Inc. is engaged in the research and development of cell-based therapeutics. The company's proprietary HuCNS-SC cells (purified human neural stem cells) are currently in development as a potential treatment for a broad range of central nervous system disorders. The company is currently conducting phase 1/2 clinical trials in chronic spinal cord injury and dry age-related macular degeneration. StemCells Inc. is also pursuing preclinical studies in Alzheimer's disease, with support from the California Institute for Regenerative Medicine. The company markets stem cell research products, including media and reagents, under the SC Proven brand.