AbbVie is a research-based biopharmaceutical company, which engages in the development and sale of pharmaceutical products. It focuses on treating conditions such as chronic autoimmune diseases in rheumatology, gastroenterology and dermatology; oncology, including blood cancers; virology, including hepatitis C virus (HCV) and human immunodeficiency virus (HIV); neurological disorders, such as as well as Parkinson's disease; metabolic diseases, comprising thyroid disease and complications associated with cystic fibrosis; pain associated with endometriosis; and other serious health conditions.