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FDA Approves BYDUREON™ -- The First Once-Weekly Treatment for Type 2 Diabetes

Posted: Sunday, January 29, 2012

Once weekly Bydureon will be available in February at the approximate coast of $323 dollars a month which will include 4 injection syringes using 1 per week.

Amylin Pharmaceuticals, announced that the FDA has approved BYDUREON™ (exenatide extended-release for injectable suspension) -- the first once-weekly treatment for type 2 diabetes. BYDUREON is a glucagon-like peptide-1 (GLP-1) receptor agonist indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes in multiple clinical settings. BYDUREON will be available in pharmacies nationwide in February.

"With BYDUREON, U.S. physicians and patients can now choose a therapy that offers continuous blood sugar control in just one dose per week," said John Buse, M.D., Ph.D., professor of medicine, director of the Diabetes Care Center and chief of the Division of Endocrinology at the University of North Carolina School of Medicine in Chapel Hill.

The approval of BYDUREON was based on safety and efficacy data from the DURATION clinical trial program, in which treatment with BYDUREON resulted in improvements in glycemic control with just one dose per week. The approval was also based on clinical experience with BYETTA® (exenatide) injection, a twice-daily form of exenatide that has been available in the U.S. since June 2005 and is used in nearly 80 countries worldwide.

In the DURATION-5 head-to-head clinical study, after 24 weeks of treatment, patients taking once-weekly BYDUREON experienced a statistically superior reduction in A1C of 1.6 percentage points from baseline, compared to a reduction of 0.9 percentage points for patients taking BYETTA. A1C is a measure of average blood sugar over three months. Both treatment groups achieved statistically significant weight loss by the end of the study, with an average loss of 5.1 pounds for patients taking BYDUREON and 3.0 pounds for patients taking BYETTA (weight loss was a secondary endpoint).The most frequently reported adverse event in both groups was nausea, reported less frequently by BYDUREON users (14 percent) than by BYETTA users (35 percent). Other common treatment-emergent adverse events in the BYDUREON group included diarrhea, upper respiratory tract infection and injection site nodules. There were no major hypoglycemic events.

Bydureon is approved for 2nd line therapy and not 1st line therapy as exenatide is and it is not approved for use with insulin as exenatide is.

BYDUREON has been approved with a Risk Evaluation and Mitigation Strategy (REMS) to ensure that the benefits of BYDUREON outweigh the risk of acute pancreatitis and the potential risk of medullary thyroid carcinoma. As part of the REMS, Amylin has established a communication plan for healthcare professionals to help minimize these risks. In addition, Amylin will fulfill a number of post-marketing requirements to further assess the impact of BYDUREON on medullary thyroid cancer and cardiovascular disease.

The Bydureon pen will be submitted to the FDA later this year and expected approval at the end of 2012 or early 2013.

BYDUREON is provided in a straightforward single-dose tray so that patients can self-administer the once-weekly subcutaneous injection. In the DURATION clinical studies, the delivery system was well accepted by patients and physicians.

Source: http://www.diabetesincontrol.com/index.php?option=com_content&view=article&id=12072&catid=53&Itemid=8, Amylin news release Jan 27, 2011.