CEL-SCI Corporation, a clinical-stage biotechnology company, engages in the research, development, and manufacturing of immune systems for the treatment of cancer and other diseases. The company's lead investigational immunotherapy is Multikine, a Leukocyte Interleukin injection, which has completed a pivotal Phase 3 clinical trial for patients, who are diagnosed with locally advanced primary squamous cell carcinoma of the head and neck. It is also developing Ligand Epitope Antigen Presentation System (LEAPS) technology, a patented T-cell modulation process that stimulates the human immune system to fight bacterial, viral, parasitic infections, autoimmune conditions, allergies, transplantation rejections, and cancer. In addition, the company is developing CEL-2000 and CEL-4000 which are LEAPS based product candidates for the treatment of rheumatoid arthritis disease. CEL-SCI Corporation was incorporated in 1983 and is headquartered in Vienna, Virginia.