Januvia and Byetta are two of the most popular drugs on the market prescribed to treat type 2 diabetes. But ever since their introduction reports of dangerous side effects including pancreatitis and pancreatic cancer have surfaced. These reports spurred concerns of whether the drugs risks outweigh their effectiveness and have led to numerous lawsuits being filed against the drug makers.
This week the American Diabetes Association (ADA) called for a new evaluation of the clinical data on many of the popular drugs used to control blood sugar in patients with type 2 diabetes. These drugs include Merck & Company’s Januvia , Novo Nordisk’s Victoza, Byetta and Onglyza from Bristol-Myers Squibb, and AstraZeneca Plc, among others, and have sales of more than $9 billion annually.
The new evaluation is based on the research of Dr. Peter C. Butler, chief of the division of endocrinology at the University of California, Los Angeles. In his study, and in follow-up studies he found worrisome changes in the pancreases of laboratory rats used in the study that could lead to pancreatic cancer. Based on his studies, both the FDA and the European Medicines Agency have also begun investigations that could lead to new warnings on the drugs, or even to their removal from the market.
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