Children’s Colorado experts find surgery promising option for severely obese adolescents

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Credit: Children's Hospital Colorado

AURORA, CO (March 12, 2018) – When a bariatric surgeon and an endocrinologist specializing in diabetes examined the effectiveness of medical versus surgical management of type 2 diabetes in adolescents, the results of the surgical intervention proved to be promising. The research, led by Thomas H. Inge, MD, PhD, director of the Bariatric Surgery Center at Children's Hospital Colorado (Children's Colorado), and Philip Zeitler, MD, PhD, chair of endocrinology at Children's Colorado, is published in the March issue of JAMA Pediatrics. The recent study consisted of a secondary analysis of data from two longitudinal studies: Treatment Options for Type 2 Diabetes in Adolescents and Youth (TODAY) and Teen-Longitudinal Assessment of Bariatric Surgery (Teen-LABS).

Led by Dr. Zeitler, the National Institutes of Health (NIH)-funded TODAY trial ran between 2004 and 2009, and included 699 adolescents with type 2 diabetes from 15 centers across the U.S. The study was to determine which medical therapies were most effective at controlling type 2 diabetes in youth. Participants received metformin therapy alone or in combination with rosiglitazone. While addition of rosiglitazone to metformin reduced the loss of glycemic control by 23 percent, progression of diabetes was more rapid than in adults and neither medication prevented progression of diabetes or related complications, including cardiovascular risk and kidney damage.

"There has been a substantial increase in type 2 diabetes in the pediatric population, with more than 5,000 children and youth under the age of 20 diagnosed each year," said Dr. Zeitler. "Because of this increase and the potential medical complications that can accompany this condition, therapies are urgently needed that will achieve better control over blood sugar levels than standard medical management has in studies to date."

The NIH-funded Teen-LABS study led by Dr. Inge examined 242 adolescents who underwent bariatric surgery at five U.S. centers between 2007 and 2012. Thirty of the participants had type 2 diabetes at the time of their surgery. Data from this group of 30 was matched to 65 severely obese TODAY participants.

In comparing the data, the researchers found that adolescents with severe obesity and type 2 diabetes who received medical management experienced modest weight gain, progression of their type 2 diabetes, and no improvement in cardiovascular risk factors after two years. In contrast, the majority of adolescents who underwent surgical procedures in the Teen-LABS study experienced significant weight loss, normalization of blood glucose, and improvements in markers of cardiovascular health and kidney function over the same time period.

"The results of this study are certainly encouraging in terms of the potential benefits of bariatric surgery for severely obese adolescents with type 2 diabetes," said Dr. Inge. "While we were examining a relatively small number of participants, our hope is these findings will be useful to those contemplating bariatric surgery for their adolescent patients. We still have much to learn about the long-term effects of surgery relative to medical therapy, but our hope is this research will open the door for longer-term assessments of health outcomes related to both types of treatments."

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The Teen-Longitudinal Assessment of Bariatric Surgery (Teen-LABS) study was established in 2007 and is the only multicenter, NIH-sponsored research on adolescent bariatric surgery. Teen-LABS is an ongoing study involving six clinical centers around the U.S., including Children's Hospital Colorado, Cincinnati Children's Hospital Medical Center, Nationwide Children's Hospital, Texas Children's Hospital, the University of Alabama at Birmingham and the University of Pittsburgh Medical Center. The study's chair and principal investigator, Thomas H. Inge, MD, PhD, is located at Children's Hospital Colorado on the Anschutz Medical Campus in Aurora, Colo.

About Children's Hospital Colorado

Children's Hospital Colorado is a leading pediatric network 100 percent dedicated to the health and well-being of children, adolescents and young adults. Consistently acknowledged as one of the nation's top pediatric hospitals by U.S. News & World Report, Children's Colorado is recognized nationally and internationally for its medical, research, education and advocacy programs. It is at the forefront of research in childhood disease and pioneering treatments that are shaping the future of pediatrics, as well as offering everyday care for kids throughout Colorado and surrounding states. Founded in 1908, Children's Colorado offers a full spectrum of family-centered care at its urgent, emergency and specialty care locations throughout Metro Denver and Southern Colorado, including its location on the Anschutz Medical Campus. Scheduled to open in early 2019, the new Children's Hospital Colorado, Colorado Springs will be the first pediatric-only hospital in southern Colorado. For more information, visit http://www.childrenscolorado.org, or connect with us on Facebook and Twitter.

Children's Hospital Colorado complies with applicable Federal civil rights laws and does not discriminate on the basis of race, color, national origin, age, disability, or sex.

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Hollon Kohtz
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Related Journal Article

http://dx.doi.org/10.1001/jamapediatrics.2017.5763

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