期刊
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
卷 96, 期 8, 页码 2354-2366出版社
ENDOCRINE SOC
DOI: 10.1210/jc.2011-0246
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资金
- Amylin-Lilly
- Takeda
Context: The Centers for Disease Control and Prevention estimates that there are approximately 79,000,000 individuals in the United States with prediabetes [impaired glucose tolerance (IGT) and/or impaired fasting glucose] and that approximately 40-50% will progress to type 2 diabetes mellitus (T2DM) during their lifetime. Therefore, treatment of high-risk IGT individuals to prevent T2DM has important medical, economic, social, and human implications. Individuals in the upper tertile of IGT are maximally/near-maximally insulin resistant, have lost 70-80% of their beta-cell function, and have approximately a 10% incidence of diabetic retinopathy. Therefore, preservation of the remaining 20-30% of beta-cell function is critical to prevent future development of T2DM. Evidence Acquisition: We searched MEDLINE from 2000 to the present to identify placebo-controlled trials in which individuals with IGT received pharmacological therapy to prevent progression to diabetes. Evidence Synthesis: Lifestyle modification reduces IGT conversion to T2DM, but it is difficult to implement and maintain. Moreover, 40-50% of IGT subjects progress to T2DM despite weight loss. In contrast, pharmacological intervention with medications that reverse known pathophysiological abnormalities (beta-cell dysfunction and insulin resistance) uniformly prevents IGT progression to T2DM. Thiazolidinediones reduce IGT conversion to diabetes by approximately 50-70%. Metformin in the U. S. Diabetes Prevention Program reduced the development of T2DM by 31% and has been recommended by the American Diabetes Association. Because glucagon-like peptide-1 analogs augment insulin secretion, preserve beta-cell function, and promote weight loss, they may be efficacious in preventing IGT progression to T2DM. Conclusion: Pharmacological intervention with a variety of agents (thiazolidinediones, metformin, acarbose, glucagon-like peptide-1 analogs) consistently reduces the rate of conversion of IGT to T2DM. (J Clin Endocrinol Metab 96: 2354-2366, 2011)
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