Where is dendreon located? Dendreon also is evaluating the use of PROVENGE in early-stage prostate cancer, with the hope of curing more men of the disease. Dendreon is headquartered in Seal Beach, Calif. Union City, Georgia 30291, USIs dendreon still in business? In November 2014, Dendreon filed for Chapter 11 bankruptcy protection and shortly afterwards announced that it had reached agreements on the terms of a financial restructuring with certain bond holders. On February 20, 2015, Valeant Pharmaceuticals received approval to purchase all Dendreon assets.Is dendreon owned by valeant? Valeant Pharmaceuticals acquires Dendreon for $495 million. More than 20,000 men prescribed PROVENGE. Dendreon delivers first profitable year since its inception. Dendreon resumes operations as a standalone company following acquisition by Sanpower Group for $819.9 million.Why choose dendreon for immunotherapy? Founded on the belief that immunotherapy made from a patient’s own cells will transform cancer treatment, Dendreon is fighting for patients by making the battle against cancer personal. By harnessing the power of the body’s immune system, we help extend the lives of patients battling cancer.