OSLO, Norway--(BUSINESS WIRE)--Affitech AS, the human antibody therapeutics company announced today that Peregrine Pharmaceuticals, Inc. reported positive in vivo test results of R3, a fully human monoclonal antibody developed by Affitech, in a pancreatic cancer model at the recently concluded Centennial Annual Meeting of the American Association for Cancer Research (AACR). R3 has been designed by the two companies for selective blocking of VEGF (vascular endothelial growth factor) binding to VEGF receptor 2, as opposed to other anti-angiogenic agents which block activity of both VEGF receptors.