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May 25

Two Drugs Better Than One To Treat Youth With Type 2 Diabetes

NIH-funded study addresses emerging health problem

A combination of two diabetes drugs, metformin and rosiglitazone, was more effective in treating youth with recent-onset type 2 diabetes than metformin alone, a study funded by the National Institutes of Health (NIH) has found. Adding an intensive lifestyle intervention to metformin provided no more benefit than metformin therapy alone.

The study also found that metformin therapy alone was not an effective treatment for many of these youth. In fact, metformin had a much higher failure rate in study participants than has been reported in studies of adults treated with metformin alone.

The Treatment Options for type 2 Diabetes in Adolescents and Youth (TODAY) study is the first major comparative effectiveness trial for the treatment of type 2 diabetes in young people. TODAY was funded by the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), part of NIH. Study results will appear in the New England Journal of Medicine on April 29, 2012, at http://www.nejm.org/doi/full/10.1056/NEJMoa1109333.

The results of this study tell us it might be good to start with a more aggressive drug treatment approach in youth with type 2 diabetes,said Philip Zeitler, M.D., Ph.D., the TODAY study chair and a pediatric endocrinologist at Children's Hospital Colorado, Aurora. We are learning that type 2 diabetes is a more aggressive disease in youth than in adults and progresses more rapidly, which could be why metformin alone had a higher than expected failure rate.

The TODAY study tested how well and for how long each of three treatment approaches controlled blood glucose levels in youth enrolled from ages 10 to 17 with type 2 diabetes. Participants were randomly assigned to one of three treatment groups: metformin alone, metformin and rosiglitazone together, and metformin plus intensive lifestyle changes aimed at helping participants lose weight and increase physical activity.

The study found that treatment with metformin alone was inadequate for maintaining acceptable, long-term, blood glucose control in 51.7 percent of youth over an average follow-up of 46 months. The failure rate was 38.6 percent in the metformin and rosiglitazone group, a 25.3 percent reduction from metformin alone. In the metformin plus lifestyle group the failure rate was 46.6 percent.

The childhood obesity epidemic has led to the emergence of type 2 diabetes in youth. However, because type 2 diabetes has been primarily an adult illness, information about how to effectively treat youth is limited, and pediatric diabetes experts have had to rely on what is known about adult treatment.

Currently, metformin is the standard treatment for young people with type 2 diabetes and the only oral drug approved for this use by the U.S. Food and Drug Administration.

The longer a person has type 2 diabetes, the greater the likelihood of developing complications including coronary artery disease, stroke, kidney and eye disease, and nerve damage, making it critical for young people with type 2 diabetes to quickly achieve and sustain control of their blood glucose.

See the article here:
Two Drugs Better Than One To Treat Youth With Type 2 Diabetes

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