In a closed-loop control approach to managing type 1 diabetes, glucose sensors placed under the skin continuously monitor blood sugar levels, triggering the release of insulin from an implantable insulin pump as needed. The aim of this closed-loop insulin delivery system is improved control of blood glucose levels throughout the day and night. But a new study in adults and adolescents found that mean blood glucose levels remained at safe levels 53-82% of the time, according to the results published in Diabetes Technology & Therapeutics (DTT), a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. The article is available free on the DTT website until September 25, 2014.

Howard Zisser, MD and an international team of researchers representing the Control to Range Study Group measured plasma glucose levels every 15-30 minutes in a group of individuals with type 1 diabetes who participated in the “Control to Range” multinational artificial pancreas study. They monitored the adults and teens over 22 hours, including three meals and periods of day and night. The authors describe the risks of hypo- and hyperglycemia, the variability between participants, and the differences in daytime/nighttime results, and also propose improvements needed in the design and implementation of closed-loop systems in the article “Multicenter Closed-Loop Insulin Delivery Study Points to Challenges for Keeping Blood Glucose in a Safe Range by a Control Algorithm in Adults and Adolescents with Type 1 Diabetes from Various Sites.”

“It appears that we are getting closer to an Artificial Pancreas option for patients with type 1 diabetes,” says DTT Editor-in-Chief Satish Garg, MD, Professor of Medicine and Pediatrics at the University of Colorado Denver. “The first version may need to be a hybrid system in which meals and exercise are announced with necessary dose adjustments along with Automatic Threshold Suspend for hypoglycemia.”

About the Journal
Diabetes Technology & Therapeutics (DTT) is a monthly peer-reviewed journal that covers new technology and new products for the treatment, monitoring, diagnosis, and prevention of diabetes and its complications. Led by Editor-in-Chief Satish Garg, MD, Professor of Medicine and Pediatrics at the University of Colorado Denver, the Journal covers topics that include noninvasive glucose monitoring, implantable continuous glucose sensors, novel routes of insulin administration, genetic engineering, the artificial pancreas, measures of long-term control, computer applications for case management, telemedicine, the Internet, and new medications. Tables of content and a sample issue may be viewed on the Diabetes Technology & Therapeutics (DTT) website. DTT is the official journal of the Advanced Technologies & Treatments for Diabetes (ATTD) Conference.

About ATTD
Type 1 Diabetes" align="right" /> The International Conference on Advanced Technologies & Treatments for Diabetes (ATTD) presents top-caliber scientific programs that have provided participants with cutting-edge research and analysis into the latest developments in diabetes-related technology. A unique and innovative conference, ATTD brings the world’s leading researchers and clinicians together for a lively exchange of ideas and information related to the technology, treatment, and prevention of diabetes and related illnesses.

About the Publisher
Mary Ann Liebert, Inc., publishers is a privately held, fully integrated media company known for establishing authoritative peer-reviewed journals in many promising areas of science and biomedical research, including Thyroid, Metabolic Syndrome and Related Disorders, Journal of Aerosol Medicine and Pulmonary Drug Delivery, Childhood Obesity, and Population Health Management. Its biotechnology trade magazine, Genetic Engineering & Biotechnology News (GEN), was the first in its field and is today the industry’s most widely read publication worldwide. A complete list of the firm’s 80 journals, books, and newsmagazines is available on the Mary Ann Liebert, Inc., publishers website.

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Kathryn Ruehle, 914-740-2100, .(JavaScript must be enabled to view this email address)

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