ALACHUA, Fla.--(BUSINESS WIRE)--Altor BioScience and Florida Biologix team up to move an important interleukin-15 (IL-15)-based immunotherapeutic, ALT-803, to the clinic as a novel cancer therapy. ALT-803, a proprietary IL-15 super agonist/IL-15Ra-Fc fusion complex, has demonstrated impressive anti-tumor activities in various pre-clinical cancer models and could potentially make a life-changing difference for patients with solid and hematological tumors. Florida Biologix will manufacture ALT-803 for clinical studies planned for early 2012.