Biologic drugs are used for treatment of numerous diseases and conditions, and are the most advanced therapies available. Some biologic drugs are used for the treatment of Crohn’s disease, ulcerative colitis, rheumatoid arthritis, and other autoimmune diseases. Available biologics have revolutionized cancer treatment, delayed or reversed the course of immune related conditions, changed the lives of people with rare diseases, and have offered hope for many patients who previously had no effective treatment options for their condition.