Nektar Therapeutics, a biopharmaceutical company, researches and develops drug candidates for cancer and auto-immune disease in the United States. The company develops NKTR-181, a novel mu-opioid analgesic drug, which is in Phase III clinical trial for chronic low back pain; ONZEALD, a topoisomerase I inhibitor that is in Phase III clinical trial for advanced metastatic breast cancer in patients with brain metastases; and Bempegaldesleukin, a CD122-preferential interleukin-2 (IL-2) pathway agonist, which is in Phase I is designed to provide rapid activation and proliferation of cancer-killing CD8+ effector T cells and NK cells. It also develops NKTR-358, cytokine Treg stimulant, which is in Phase I to treat autoimmune diseases; NKTR-262, a toll-like receptor agonist that is in Phase I for oncology; and NKTR-255, which is in phase I for immuno-oncology. In addition, the is developing ADYNOVATE and ADYNOVI for hemophilia A; MOVANTIK for opioid-induced constipation in adult patients with chronic non-cancer pain; CIMZIA for crohn's disease, rheumatoid arthritis, and psoriasis/ankylosing spondylitis; and MIRCERA for anemia associated with chronic kidney disease. Further, it is developing Macugen for age-related macular degeneration; Somavert for acromegaly; Neulasta for neutropenia; Dapirolizumab Pegol for systemic lupus erythematosus; PEGPH20 for pancreatic, non-small cell lung cancer, and other tumor types; and longer-acting blood clotting proteins for hemophilia. The company has collaboration agreement with Takeda Pharmaceutical Company Ltd.; AstraZeneca AB; UCB Pharma S.A.; F. Hoffmann-La Roche Ltd; Bausch Health Companies Inc.; Pfizer Inc.; Amgen Inc.; UCB Pharma (Biogen); Halozyme Therapeutics, Inc.; Bristol-Myers Squibb Company; Baxalta Incorporated; and Eli Lilly and Company, as well as with Merck KGaA. Nektar Therapeutics was incorporated in 1990 and is headquartered in San Francisco, California.
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