Celltrion, Inc., together with its subsidiaries, develops and produces therapeutics based on proteins including oncology treatment drugs in South Korea. The company markets bio pharmaceuticals; generic pharmaceuticals; covid-19 test kits. Its antibody biosimilar pipeline includes CT-P39 for the treatment of asthma and urticaria that is in phase 3 clinical trial; CT-P17 for the treatment of autoimmune diseases which is in phase 3 clinical trial; CT-P16 for the treatment of non-small cell lung cancer and colon cancer that is in phase 3 clinical trial; CT-P41 for the treatment of osteoporosis and bone loss, which is in phase 3 clinical trial; CT-P43 for the treatment of psoriasis, crohn's disease, and ulcerative colitis that is in phase 3 clinical trial; CT-P42 for the treatment of diabetic macular edema, which is in phase 3 clinical trial; CT-P47 for the treatment of rheumatoid arthritis, which is in phase 3 clinical trial; CT-P27 for the treatment of pandemic/seasonal influenza that is in phase 2 clinical trial; and CT-G20 for the treatment of Cardiomyopathy that is in phase 1 clinical trial. The company was founded in 2002 and is headquartered in Incheon, South Korea.