Discovery and development of statins trials showed very good inhibitory effect as in clinical trials, however in a long term toxicity study in dogs it resulted in toxic effects at higher doses and as a result was believed to be too toxic to be given to humans. In 1978, Alfred Alberts and colleagues at Merck Research Laboratories discovered a new natural product in a fermentation broth of "Aspergillus terreus", their product showed good HMGR inhibition and they named the product mevinolin, which later became known as lovastatin. The cholesterol controversy began in the early promotion of statins. Statins are a competitive antagonists of HMG CoA,
Specialty drugs in the United States but some—such as Pfizer and Amgen—are also developing biosimilars." In 2013 AfPA director David Charles published an article on specialty drugs in which he agreed with the findings of the Congressional Budget Office that spending on prescription medications "saves costs in other areas of healthcare spending". He observed that specialty drugs are so high priced that many patients do not fill prescriptions resulting in more serious health problems increasing. His article referred to specialty drugs such as "new cancer drugs specially formulated for patients with specific genetic markers". He explained the high cost of these "individualized medications based on diagnostic