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Drug Improves Beta Cell FunctionWhat is the problem and what is known about it so far?Research suggests that a class of drug known as thiazolidinediones — which includes pioglitazone and rosiglitazone — can improve the function of beta cells, specialized cells in the pancreas that produce insulin. If beta cell function improves, the development of diabetes may be delayed. But little is known about how the drugs work in people. Why did the researchers do this particular study?The researchers wanted to see whether thiazolidinediones improve beta cell function in people with diabetes. Who was studied?The study included 53 people with diabetes. How was the study done?Participants had blood tests to assess their ability to handle glucose and insulin. Then people with diabetes were randomly assigned into groups. One group received pioglitazone, one group received rosiglitazone, and one group took placebo. All participants were followed for 4 months. What did the researchers find?Participants who took a thiazolidinedione drug had improved beta cell function and an improved ability to handle glucose and insulin. What were the limitations of the study?The follow-up period was only 4 months. A longer study may produce different results. What are the implications of the study?Thiazolidinediones improve beta cell function and the body’s ability to control glucose and insulin. The long-term effects of drug therapy need further research. |
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