Nektar Therapeutics is a stage-clinical biopharmaceutical company. The Сompany develops new drug candidates by applying its proprietary PEGylation and advanced polymer conjugate technologies to modify the chemical structure of substances. It is a technology supplier to a number of pharmaceutical companies including Affymax, Amgen, Merck, Pfizer and UCB Pharma, etc. Nektar Therapeuticsэ R&D pipeline of new investigational drugs includes treatments for cancer, auto-immune disease, and chronic pain.