MEI Pharma, Inc., a clinical-stage pharmaceutical company, focuses on the development of various therapies for the treatment of cancer. It develops ME-344, an intravenous small molecule inhibitor mitochondrial oxidative phosphorylation to treat human epidermal growth factor receptor 2 negative breast cancer, colorectal cancer, and solid tumors. The company was formerly known as Marshall Edwards, Inc. and changed its name to MEI Pharma, Inc.