Ultra rapid lispro improves postprandial glucose control versus lispro in combination with basal insulin: A study based on CGM in type 2 diabetes in China
Aim: To evaluate the efficacy and safety of URLi (ultra rapid lispro insulin) compared to insulin lispro as bolus insulin with basal insulin using CGM in the individuals with type 2 diabetes(T2D) in China.Methods:This was a double-blind, randomized, parallel, prospective, phase 3 study.Subjects with uncontrolled T2D were recruited and randomized 1:2 into the insulin lispro and URLi groups. Subjects received a consistent basal insulin regimen during the study and self-administered insulin lispro or URLi before each meal throughout the treatment period. Subjects underwent a 3-day continuous glucose monitoring (CGM) at the baseline and endpoint respectively, and then CGM data were analyzed.The primary endpoint was to compare the difference in postprandial glucose (PPG) control using CGM between the two groups.Results:A total of 57 subjects with T2D completed the study. Our CGM data showed that postprandial glucose excursions after breakfast (BPPGE) in the URLi group was lower than that in the insulin lispro group (1.59±1.57 mmol/L vs 2.51±1.73 mmol/L, p = 0.046). 1-hour PPG was observed to decrease more in the URLi group than that in the insulin lispro group (-1.37±3.28 mmol/L vs 0.24±2.58 mmol/L, p = 0.047). 2-hour PPG was observed to decrease more in the URLi group than that in the insulin lispro group (-1.12±4.00 mmol/L vs 1.22±2.90 mmol/L, p = 0.021).
The mean HbA1c level decreased by 1.1% in the URLi group and 0.99% in the insulin lispro group, with no treatment difference (p = 0.642). In the CGM profile, TBR was not significantly different between the two groups (p = 0.743).
The weight gain also did not differ between the two groups (p = 0.303).URLi can control breakfast PPG better than insulin lispro in adults with T2D in China, while it is non-inferior in improving HbA1c.
The incidence of hypoglycemic and weight gain were similar between the two groups.
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