Nektar Therapeutics, a research-based biopharmaceutical company, discovers and develops drug candidates for cancer, auto-immune disease, and chronic pain based on its PEGylation and polymer conjugate technology platforms in the United States. The company offers ONZEALD, a topoisomerase I inhibitor that is in Phase III clinical trial for advanced metastatic breast cancer in patients with brain metastases; NKTR-181, an orally-available mu-opioid analgesic molecule, which is in Phase III clinical trial for moderate to severe chronic pain; NKTR-214, a cytokine immunostimulatory therapy that is in Phase I/II to treat cancer; NKTR-358, which is in Phase I to treat autoimmune diseases; and NKTR-262 for solid tumors, as well as NKTR-255 that is under research/preclinical stage for immuno-oncology. It is also developing MOVANTIK for opioid-induced constipation in adult patients with chronic non-cancer pain, and who have an inadequate response to laxatives; ADYNOVATE for hemophilia A; Somavert to treat acromegaly; and Neulasta for treating neutropenia. In addition, the company develops PEG-INTRON for the treatment of hepatitis-C; Macugen for age-related macular degeneration; CIMZIA to treat rheumatoid arthritis, Crohn's disease, and psoriasis/ankylosing spondylitis; and MIRCERA for anemia related to chronic kidney disease in patients on and not on dialysis. Further, it is developing SEMPRANA to treat migraine; dapirolizumab pegol for systemic lupus erythematosus; PEGPH20 for ancreatic, non-small cell lung cancer, and other tumor types; and longer-acting blood clotting proteins for hemophilia. The company has collaboration agreements with AstraZeneca AB, Shire plc, Pfizer Inc., Amgen Inc., Merck & Co., Inc., Valeant Pharmaceuticals International, Inc., UCB Pharma S.A., F. Hoffmann-La Roche Ltd, Allergan, Inc., Halozyme Therapeutics, Inc., Baxalta Incorporated, and Bristol-Myers Squibb Company. The company was founded in 1990 and is headquartered in San Francisco, California.
