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Defeat Diabetes Foundation

Defeat Diabetes
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JDRF Artificial Pancreas Project Going Forward

Posted: Sunday, January 24, 2010

JDRF forms partnership with Animas to develop first-generation automated system for managing Type 1 diabetes.

The Juvenile Diabetes Research Foundation announced an innovative partnership with Animas, a Johnson & Johnson company, to develop an automated system to help people with Type 1 diabetes better control their disease. This would be the first step on the path to what would be among the most revolutionary advancements in treating Type 1 diabetes: the development of an artificial pancreas, a fully automated system to dispense insulin to patients based on real-time changes in blood sugar levels.

The objectives of the partnership, a major industry initiative within the JDRF Artificial Pancreas Project, are to develop an automated system to manage diabetes, conduct extensive clinical trials for safety and efficacy, and submit the product to the U.S. Food and Drug Administration for approval.

"If successful, the development of this first-generation system would begin the process of automating how people with diabetes manage their blood sugar," said Alan Lewis, PhD, President and Chief Executive Officer of JDRF. "Ultimately, an artificial pancreas will deliver insulin as needed, minute-by-minute, throughout the day to maintain blood sugars within a target range. But even this early system could bring dramatic changes in the quality of life for the 3 million people in the U.S. with Type 1 diabetes, beginning to free kids and adults from testing, calculating and treating themselves throughout the day."

The first-generation system would be partially automated, utilizing an insulin pump connected wirelessly with a continuous glucose monitor (CGM). The CGM continuously reads glucose levels through a sensor with a hair-thin sensor wire inserted just below the skin, typically on the abdomen. The sensor would transmit those readings to the insulin pump, which delivers insulin through a small tube or patch on the body. The pump would house a sophisticated computer program that will address safety concerns during the day and night, by helping prevent hypoglycemia and extreme hyperglycemia. It would slow or stop insulin delivery if it detected blood sugar was going too low and would increase insulin delivery if blood sugar was too high. For example, the system would automatically discontinue insulin delivery to help prevent hypoglycemia, and then automatically resume insulin delivery based on a specific time interval (i.e., 2 hours) and/or glucose concentration. It will also automatically increase insulin delivery to reduce the amount of time spent in the hyperglycemic range and return to a pre-set basal rate once glucose concentrations have returned to acceptable levels.

In this early version of an automated diabetes management system, the patient would still need to manually instruct the pump to deliver insulin at times, (i.e. around meals). But this "hypoglycemia-hyperglycemia minimizer" system would represent a significant step forward in diabetes management, and could provide immediate benefits in terms of blood sugar control, by minimizing dangerous highs and lows.

Source: Diabetes In Control: JDRF