Insulin degludec/insulin aspart versus biphasic insulin aspart 30 in Asian patients with type 2 diabetes inadequately controlled on basal or pre-/self-mixed insulin: A 26-week, randomised, treat-to-target trial
2015
Abstract Aims Insulin degludec/insulin aspart (IDegAsp) is a soluble co-formulation of IDeg and IAsp. This pan-Asian, 26-week trial investigated efficacy and safety of IDegAsp vs biphasic insulin aspart 30 (BIAsp 30) in Asian adults with type 2 diabetes (T2DM), inadequately controlled on once- or twice-daily (BID) basal, premixed or self-mixed insulin. Methods Participants (mean age 59.8 years, HbA 1c 8.4%, FPG 7.9 mmol/L, BMI 25.4 kg/m 2 ) were randomised 2:1 to BID IDegAsp ( n = 282) or BIAsp 30 ( n = 142) and continued existing metformin treatment. Insulins were administered with breakfast and main evening meal, titrated to a pre-breakfast and pre-main evening meal self-measured plasma glucose target of 4–5 mmol/L. Results IDegAsp achieved the primary endpoint of non-inferiority to BIAsp 30 for mean change in HbA 1c (estimated treatment difference [ETD] IDegAsp–BIAsp 30: 0.05% points [95% CI −0.10; 0.20]). IDegAsp was superior in lowering fasting plasma glucose (FPG) (ETD −1.06 mmol/L, 95% CI −1.43; −0.70, p p Rates of overall confirmed and severe hypoglycaemia were similar between treatments, while rate of nocturnal confirmed hypoglycaemia was numerically ( p = ns) lower with IDegAsp. During the maintenance period there was a trend ( p = ns) towards lower hypoglycaemia rates for IDegAsp. Conclusion In Asian adults with T2DM, IDegAsp BID effectively improves long-term glycaemic control, and compared to BIAsp 30, provides superior reductions in FPG with a lower dose, and numerically less nocturnal hypoglycaemia.
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