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  • Title: DUAL II China: Superior HbA1c reductions and weight loss with insulin degludec/liraglutide (IDegLira) versus insulin degludec in a randomized trial of Chinese people with type 2 diabetes inadequately controlled on basal insulin.
    Author: Pei Y, Agner BR, Luo B, Dong X, Li D, Liu J, Liu L, Liu M, Lu Y, Nishida T, Xu X, Mu Y.
    Journal: Diabetes Obes Metab; 2021 Dec; 23(12):2687-2696. PubMed ID: 34387411.
    Abstract:
    AIM: To assess the efficacy and safety of insulin degludec/liraglutide (IDegLira) versus insulin degludec (degludec) in Chinese people with type 2 diabetes (T2D) treated with basal insulin. MATERIALS AND METHODS: In DUAL II China, a randomized, double-blinded, multicentre, treat-to-target trial, Chinese adults with T2D and HbA1c of 7.5% or more on basal insulin and metformin, with or without other oral antidiabetic drugs (OADs), were randomized 2:1 to 26 weeks of treatment with either IDegLira (max. dose 50 U degludec/1.8 mg liraglutide) or degludec (max. 50 U/day), respectively, combined with metformin. At 26 weeks, superiority of IDegLira over degludec was assessed for change in HbA1c (primary endpoint), and body weight and number of severe or blood glucose (BG)-confirmed hypoglycaemic episodes (confirmatory secondary endpoints). RESULTS: Overall, 453 participants were randomized to IDegLira (n = 302) or degludec (n = 151). Superiority was confirmed for IDegLira over degludec in HbA1c change (-1.9% vs. -1.0%, respectively, estimated treatment difference [ETD] [95% confidence interval]: -0.92% [-1.09; -0.75], P < .0001), body weight change (-0.7 vs. +0.4 kg, respectively, ETD [95% CI]: -1.08 kg [-1.63; -0.52], P = .0002) and severe or BG-confirmed hypoglycaemia (estimated rate ratio [95% CI]: 0.53 [0.30; 0.94], P = .0297). The odds of achieving HbA1c less than 7.0% without hypoglycaemia and/or weight gain were greater with IDegLira than degludec (P < .0001 for all). Daily insulin dose at 26 weeks was lower for IDegLira (34.3 U) than degludec (37.4 U) (P = .0014). No unexpected safety signals were observed. CONCLUSIONS: IDegLira may be an efficacious and well-tolerated treatment intensification option for Chinese people with T2D uncontrolled on basal insulin and OADs.
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