Introduction
The pharmaceutical industry has for a long period developed small molecule drugs such as acetylsalicylic acid. However, the period after 1970, has been characterized by a revolution in biotechnology resulting in the development of biologic medicines. One of the major biotechnological advancement has been mapping of the human genome leading to therapies such as stem cell and gene therapy. There has been a great investment in biologics. In 2009, the most five prescribed pharmaceutical products were large molecule products (Rozek, 2013). In United States, over a hundred different biologic agents have been approved for use (Pharmacy Practice News, 2013). According to Amgen ( ...
