• Xiao-Ling Cai, Ying-Ying Luo, Xue-Yao Han, and Li-Nong Ji.
• Department of Endocrinology and Metabolism, Peking University People's Hospital, Peking University Diabetes Center, Beijing 100044, China.
• Chin. Med. J. 2013 Nov 1; 126 (21): 416641744166-74.

ObjectiveTo recommend an index named glucose safety control index (GSCI) to evaluate the efficacy and safety for insulin regimens.Data SourcesWe searched databases for primary studies published in English. The main search concepts were type 2 diabetes, insulin treatment, premixed insulin, premixed insulin analogs, basal inuslin, basal inuslin analogs, bolus insulin, bolus insulin analogs, safety and efficacy.Study SelectionStudies were eligible for inclusion if they met all of the following criteria: (1) type 2 diabetic patients aged >18 years were included; (2) random control studies with at least 12 weeks of follow-up; (3) different insulin regimens were evaluated.ResultsWhen long-acting basal insulin therapy compared with neutral protamine Hagedorn (NPH) insulin therapy, the proportion of GSCI%A1c ratio more than 1 was 100%, the proportion of GSCIΔA1c ratio more than 1 was 94.44%. When premixed insulin therapy compared with oral hypoglycemic agents plus basal insulin therapy, the proportion of GSCI%A1c ratio more than 1 was 45.5%, the proportion of GSCIΔA1c ratio more than 1 was 38.9%. When premixed insulin therapy compared with oral hypoglycemic agents, the proportion of GSCI%A1c ratio less than 1 was 100%, the proportion of GSCIΔA1c ratio more than 1 was 50%. When premixed insulin therapy compared with basal-bolus insulin therapy, the proportion of GSCI%A1c ratio more than 1 was 37.5%, the proportion of GSCIΔA1c ratio more than 1 was 50%.ConclusionAccording to the GSCI ratio, long-acting basal insulin therapy tended to be superior to NPH therapy, oral hypoglycemic agents plus basal insulin therapy tended to be superior to premixed insulin therapy, noninsulin antidiabetic agents and premixed insulin therapy was comparable, and basal-bolus insulin therapy tended to be superior to premixed insulin therapy in type 2 diabetes.

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