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Contact: Joan Kureczka
Joan@kureczka-martin.com
415-821-2413
Kureczka/Martin Associates

Automated insulin dosage titration system demonstrates positive clinical study results

'Diabetes Insulin Guidance System' automatically updates weekly insulin dosage for better glycemic control, fewer hypoglycemic events

ANN ARBOR, MI (May 9, 2012): Newly published results from a clinical study of the Diabetes Insulin Guidance System (DIGS™), under development by Hygieia, Inc., demonstrate DIGS' potential to improve blood glucose control for insulin-using patients with type 2 or type 1 diabetes. DIGS automatically adjusted insulin dosage based on each individual's reported blood glucose results. Over the 12-week intervention period of the study, investigators observed:

The Phase 1 study, published online this week in Diabetes Technology and Therapeutics, took place at the International Diabetes Center at Park Nicollet, Minneapolis, MN under the direction of principal investigator, Richard M. Bergenstal, MD. The study was funded by the National Institutes of Health, NIDDK Program (award number R41DK085974).

Ultimately, most patients with type 2 diabetes and all patients with type 1 diabetes require insulin therapy. However, despite the availability of a variety of insulin formulations and treatment regimens, most insulin users do not achieve an optimal glycemic target (e.g. HbA1c<7%) and are thus at increased risk of developing complications of diabetes. Over the years, multiple clinical studies have shown that frequent insulin dosage titration is a key element for achieving and maintaining good glycemic control, with physicians or other diabetes experts contacting patients every few days or weeks to make dosage adjustments. Unfortunately, implementation of such frequent insulin titration in day-to-day clinical practice has been hindered by a lack of sufficient medical expertise as well as limited time for frequent health care provider contact.

"The proprietary DIGS technology developed by Hygieia, Inc. measures blood glucose, analyzes patterns in those measurements, and automates insulin dosage titration," said Dr. Bergenstal. "In this study, our team found that DIGS worked amazingly well. After a four-week run-in to establish baseline glucose levels for each patient, 1734 individual insulin dosage adjustments were made by the DIGS software over the 12 week intervention period. Our team gave those newly determined insulin dosage instructions to the study participants each week without changing the suggested intervention in all but two instances. This demonstrates the possibility that DIGS could automate weekly dosage adjustment safely and effectively – something that none of our current tools is capable of achieving."

Mary Johnson, Director of Research at the International Diabetes Center, stated regarding results achieved by one of the study participants, "We accomplished in 12 weeks using DIGS what our usual standard of care might have taken three years to do."

Asked what DIGS in a handheld device might afford those on insulin therapy, Martha Funnell, MS, RN, CDE, Research Scientist, Michigan Diabetes Research and Training Center, University of Michigan remarked, "This technology might just enable us to provide many more patients with the ability to achieve our best standards of care. The benefits could go beyond better glycemic control and help people with diabetes feel more confident about managing their insulin between health care appointments."

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Study Design

The 16 week feasibility trial (consisting of a 4 week run-in period, followed by 12 weeks of active intervention) was conducted as a prospective, open-label, uncontrolled, single-arm, single-center study that aimed to assess the ability of DIGS to provide safe and effective, unsupervised weekly insulin dosage adjustments. Study participants were insulin-using adults with either type 2 or type 1 diabetes and an HbA1c above 7.4% (indicating their diabetes control was not at target even though they had been on insulin therapy for years prior to this study). Participants were enrolled in one of three treatment groups: 1) type 1 diabetes treated with basal-bolus insulin therapy using carb counting; 2) type 2 diabetes treated with basal-bolus insulin therapy without counting carbs; and 3) type 2 diabetes treated with twice-daily biphasic insulin. Patients were asked to test and record their blood glucose before each insulin injection. The primary study outcome was the fraction of dosage adjustments made by DIGS and conveyed to the patients without intervention after study team review. Reductions in HbA1c and mean glucose were used to assess efficacy. The safety of the weekly adjustments was evaluated using the frequency of hypoglycemia (blood glucose <65 mg/dL).

About DIGS

Hygieia is embedding its Diabetes Insulin Guidance System (DIGS) in a handheld device so someone taking insulin will have automatic dosage updates weekly, thus making their insulin therapy more effective. Once the health care provider sets DIGS up for the patient, DIGS uses the patient's blood glucose information to update insulin dosage, automatically, as needed. Unlike telemedicine approaches, DIGS is self-contained and therefore, scalable. It extends the reach of the health care provider when they can't be with their patients – between office visits. It does not add burden to an already over-burdened health care system. DIGS has not at this time received regulatory clearance from the US Food and Drug Administration.

About Hygieia, Inc.

Hygieia, Inc. is an emerging diabetes health care company developing new ways to improve the effectiveness of therapy while reducing the cost of diabetes care. Hygieia's first product is a handheld Diabetes Insulin Guidance System (DIGS™) designed to improve insulin therapy effectiveness for patients. DIGS works in a way that makes it a feasible solution for thousands of health care professionals treating millions of insulin users. For more information, please visit http://www.hygieiainc.com.



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