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Diabetes Issues Author: Staff Editor Last Updated: Sep 7, 2017 - 10:06:33 PM



Children at Risk of Developing Type 1 Diabetes Help Scientists Stave Off the Disease

By Staff Editor
May 1, 2013 - 11:07:39 AM



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(HealthNewsDigest.com) - BUFFALO, N.Y. - More than 1,000 Western New York children who are at risk of developing Type 1 diabetes are helping scientists at the University at Buffalo and Women and Children's Hospital of Buffalo (WCHOB) find ways to prevent, delay or reverse the disease.

They are participants in TrialNet, an international network of researchers funded by the National Institutes of Health and dedicated to finding ways to prevent, delay and reverse the progression of Type 1 diabetes. The children are at high risk because they have a close relative, often a sibling, with the disease.

"Out of the more than 112,000 participants worldwide, since 2005, we have enrolled 1,425 in our main TrialNet study ‘Pathway to Prevention,'" explains Teresa Quattrin, MD, UB Distinguished Professor and A. Conger Goodyear Professor and Chair, Department of Pediatrics at the UB School of Medicine and Biomedical Sciences and Pediatrician-in-Chief and Chief, Division of Diabetes/Endocrinology at WCHOB.

Quattrin and a TrialNet family in Western New York discuss the benefits of the study in this VIDEO (http://youtu.be/UBUG5lIl-1o).

Quattrin is principal investigator on the grant at the UB and WCHOB center, one of 200 TrialNet screening sites worldwide, which is affiliated with Columbia University, one of TrialNet's 18 clinical centers.

The increased incidence of Type 2 diabetes - caused largely by obesity - has been well-documented.

But rates of Type 1 diabetes, an autoimmune disease in which the body destroys its ability to make insulin and requires insulin injections for survival, are also increasing by three to five percent annually. The reasons are, as yet, unknown but TrialNet is giving families at risk new options and new hope.

According to Quattrin, previous research in Buffalo and elsewhere has revealed that it can take years for Type 1 diabetes to progress to the point where the patient exhibits symptoms, such as thirst, extreme hunger, frequent urination, weight loss and blurred vision.  A patient may be completely healthy for years, but may exhibit biomarkers in the blood and genetic characteristics that reveal that within 5 or 10 years, it is likely that they will experience symptoms and develop Type 1 diabetes.

"In individuals who are going to become Type 1 diabetics, their ability to make insulin declines very slowly over a period of years up to the point where there is only 10-15 percent insulin left and that's when symptoms appear," Quattrin says. "TrialNet focuses on that window that precedes the onset of diabetes."

TrialNet builds upon earlier studies that identified autoimmune biomarkers, known as autoantibodies and other factors that describe exactly how an individual who is at risk evolves over time into a Type 1 diabetic.

"These sophisticated studies were able to determine the factors, such as an individual's genetic makeup as well autoimmune conditions, that influence why someone develops Type 1 diabetes faster than someone else," Quattrin says. "These studies have provided a kind of road map that now allow us to predict with extreme precision when and if an individual will come down with Type 1 diabetes."

Sisters, brothers, parents under age 45 and children of Type 1 diabetics are eligible to enroll. More distant relatives also may be able to enroll. Through blood tests and glucose tolerance tests, TrialNet offers a way for families to know who is at high risk for developing diabetes. Some children at risk with specific biomarkers can be enrolled in a study in which they take oral insulin that may be able to delay the onset of the disease.

That's what the Lockwood family of Colden, New York hopes for nine-year-old Jillian Lockwood. She got involved in TrialNet when her brother, twelve-year old Dawson, was diagnosed with Type 1 diabetes at WCHOB in 2009. Not long after the diagnosis, Jillian and her older brother Connor were tested for biomarkers as part of TrialNet; Jillian tested positive.

Jillian is taking either oral insulin or a placebo; if she is taking the insulin, it is possible, Quattrin explains, that it will help her body preserve more insulin, staving off diabetes for years.

"Preserving insulin for more years and therefore keeping blood sugars at a normal level will greatly reduce the chance of complications that arise from poorly controlled blood sugars," says Quattrin.

Children, like Connor Lockwood, who test negative, are screened annually so that if they do develop biomarkers that show they will eventually develop diabetes, they can start insulin early and not experience the severe symptoms and hospitalization that newly diagnosed diabetics undergo.

"With Connor in TrialNet, the benefit is early diagnosis," says Mrs. Lockwood, "We won't have to worry, is he becoming diabetic? We will know if he is developing the autoantibodies. And if the oral insulin means that could help Jillian not become diabetic until she's 20 or 25 then, we'll take it," says Mrs. Lockwood, "And if it finds a cure and helps somebody else, then it's tenfold the reason for doing this."

Families of Type 1 diabetics - either siblings, parents, children or cousins, grandchildren, nieces or nephews - who are interested in participating in TrialNet in Buffalo should contact Amanda House, project coordinator for TrialNet at WCHOB at 716-878-7268.



The University at Buffalo is a premier research-intensive public university, the largest and most comprehensive campus in the State University of New York. UB's more than 28,000 students pursue their academic interests through more than 300 undergraduate, graduate and professional degree programs. Founded in 1846, the University at Buffalo is a member of the Association of American Universities.

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