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Insulin degludec versus insulin glargine in insulin-naive patients with type 2 diabetes: a 1-year, randomized, treat-to-target trial (BEGIN Once Long).

ABSTRACT: To compare ultra-long-acting insulin degludec with glargine for efficacy and safety in insulin-naive patients with type 2 diabetes inadequately controlled with oral antidiabetic drugs (OADs).In this 1-year, parallel-group, randomized, open-label, treat-to-target trial, adults with type 2 diabetes with A1C of 7-10% taking OADs were randomized 3:1 to receive once daily degludec or glargine, both with metformin. Insulin was titrated to achieve prebreakfast plasma glucose (PG) of 3.9-4.9 mmol/L. The primary end point was confirmation of noninferiority of degludec to glargine in A1C reduction after 52 weeks in an intent-to-treat analysis.In all, 1,030 participants (mean age 59 years; baseline A1C 8.2%) were randomized (degludec 773, glargine 257). Reduction in A1C with degludec was similar (noninferior) to that with glargine (1.06 vs. 1.19%), with an estimated treatment difference of degludec to glargine of 0.09% (95% CI -0.04 to 0.22). Overall rates of confirmed hypoglycemia (PG <3.1 mmol/L or severe episodes requiring assistance) were similar, with degludec and glargine at 1.52 versus 1.85 episodes/patient-year of exposure (PYE). There were few episodes of nocturnal confirmed hypoglycemia in the overall population, and these occurred at a lower rate with degludec versus glargine (0.25 vs. 0.39 episodes/PYE; P = 0.038). Similar percentages of patients in both groups achieved A1C levels <7% without hypoglycemia. End-of-trial mean daily insulin doses were 0.59 and 0.60 units/kg for degludec and glargine, respectively. Adverse event rates were similar.Insulins degludec and glargine administered once daily in combination with OADs provided similar long-term glycemic control in insulin-naive patients with type 2 diabetes, with lower rates of nocturnal hypoglycemia with degludec.

SUBMITTER: Zinman B

PROVIDER: S-EPMC3507614 | biostudies-literature | 2012 Dec

REPOSITORIES: biostudies-literature

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Insulin degludec versus insulin glargine in insulin-naive patients with type 2 diabetes: a 1-year, randomized, treat-to-target trial (BEGIN Once Long).

Zinman Bernard B Philis-Tsimikas Athena A Cariou Bertrand B Handelsman Yehuda Y Rodbard Helena W HW Johansen Thue T Endahl Lars L Mathieu Chantal C

Diabetes care 20121005 12

<h4>Objective</h4>To compare ultra-long-acting insulin degludec with glargine for efficacy and safety in insulin-naive patients with type 2 diabetes inadequately controlled with oral antidiabetic drugs (OADs).<h4>Research design and methods</h4>In this 1-year, parallel-group, randomized, open-label, treat-to-target trial, adults with type 2 diabetes with A1C of 7-10% taking OADs were randomized 3:1 to receive once daily degludec or glargine, both with metformin. Insulin was titrated to achieve p ...[more]

PMID: 23043166

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Project description:IntroductionTo lower the barrier for initiating insulin treatment and obtain adequate glycemic control in type 2 diabetes mellitus (T2DM), new basal insulin preparations with improved pharmacological properties and consequently a lower risk of hypoglycemia are needed. The objective of this trial was to confirm the efficacy and compare the safety of insulin degludec (IDeg) with insulin glargine (IGlar) in a multinational setting with two thirds of subjects enrolled in China.MethodsThis was a 26-week, randomized, open-label, parallel-group, treat-to-target, non-inferiority trial in 833 subjects with T2DM (48 % were female, mean age 56 years, diabetes duration 8 years), inadequately controlled on oral antidiabetic drugs (OADs). Subjects were randomized 2:1 to once-daily IDeg (555 subjects) or IGlar (278 subjects), both with metformin. The primary endpoint was the change from baseline in glycosylated hemoglobin (HbA1c) after 26 weeks.ResultsThe completion rate was high (IDeg 94.2 %; IGlar 91.4 %). Mean HbA1c decreased from 8.3 to 7.0 % in both groups. Estimated treatment difference (ETD) [95 % confidence interval (CI)] IDeg-IGlar in change from baseline was -0.05 % points [-0.18 to 0.08], confirming the non-inferiority of IDeg to IGlar. The proportion of subjects achieving HbA1c <7.0 % was 54.2 and 51.4 % with IDeg and IGlar, respectively (estimated odds ratio [95 % CI] IDeg/IGlar: 1.14 [0.84 to 1.54]). The mean decrease in fasting plasma glucose, self-measured plasma glucose profiles, and insulin dose were similar between groups. Numerically lower rates of overall (estimated rate ratio [95 % CI] IDeg/IGlar: 0.80 [0.59 to 1.10]) and nocturnal (0.77 [0.43 to 1.37]) confirmed hypoglycemia were observed with IDeg compared with IGlar. No treatment differences in other safety parameters were found. Subjects were more satisfied with the IDeg device compared with the IGlar device as reflected by the total Treatment Related Impact Measures-Diabetes Device score (ETD [95 % CI] IDeg-IGlar: 2.2 [0.2 to 4.3]).ConclusionIDeg provided adequate glycemic control non-inferior to IGlar and a tendency for a lower hypoglycemia rate. IDeg is considered suitable for initiating insulin therapy in T2DM patients on OADs requiring intensified treatment.Trial registrationClinicaltrials.gov NCT01849289.

Project description:IntroductionInsulin degludec (IDeg) is a new basal insulin in development with a flat, ultra-long action profile that may permit dosing using a simplified titration algorithm with less frequent self-measured blood glucose (SMBG) measurements and more simplified titration steps than currently available basal insulins.MethodsThis 26-week, multi-center, open-label, randomized, treat-to-target study compared the efficacy and safety of IDeg administered once-daily in combination with metformin in insulin-naïve subjects with type 2 diabetes using two different patient-driven titration algorithms: a "Simple" algorithm, with dose adjustments based on one pre-breakfast SMBG measurement (n = 111) versus a "Step-wise" algorithm, with adjustments based on three consecutive pre-breakfast SMBG values (n = 111). IDeg was administered using the FlexTouch® insulin pen (Novo Nordisk A/S, Bagsværd, Denmark), with once-weekly dose titration in both groups.ResultsGlycosylated hemoglobin (HbA1c) decreased from baseline to week 26 in both groups (-1.09%, IDegSimple; -0.93%, IDegStep-wise). IDegSimple was non-inferior to IDegStep-wise in lowering HbA1c [estimated treatment difference (IDegSimple - IDegStep-wise): -0.16% points (-0.39; 0.07)95% CI]. Fasting plasma glucose was reduced (-3.27 mmol/L, IDegSimple; -2.68 mmol/L, IDegStep-wise) with no significant difference between groups. Rates of confirmed hypoglycemia [1.60, IDegSimple; 1.17, IDegStep-wise events/patient year of exposure (PYE)] and nocturnal confirmed hypoglycemia (0.21, IDegSimple; 0.10, IDegStep-wise events/PYE) were low, with no significant differences between groups. Daily insulin dose after 26 weeks was 0.61 U/kg (IDegSimple) and 0.50 U/kg (IDegStep-wise). No significant difference in weight change was seen between groups by week 26 (+1.6 kg, IDegSimple; +1.1 kg, IDegStep-wise), and there were no clinically relevant differences in adverse event profiles.ConclusionIDeg was effective and well tolerated using either the Simple or Step-wise titration algorithm. While selection of an algorithm must be based on individual patient characteristics and goals, the ability to attain good glycemic control using a simplified titration algorithm may enable patient empowerment through self-titration, improved convenience, and reduced costs.

Project description:Insulin icodec* (icodec) is a novel once-weekly basal insulin analog in development. This post hoc analysis explored hypoglycemia duration using double-blinded CGM (Dexcom G6®) data from 2 phase 2, randomized, open-label, treat-to-target 16-week trials. One trial compared 3 titration algorithms of icodec vs. insulin glargine U100 (IGlar U100) in 205 insulin-naïve patients with T2D (NCT03951805), the other assessed 154 basal insulin-treated patients with T2D switching from any daily basal insulin to icodec with or without a 100% loading dose vs. IGlar U100 (NCT03922750). In line with ATTD guidelines, a hypoglycemic episode was defined as a CGM period of interstitial glucose (IG) <70 mg/dL for at least 15 min, ending when IG ≥70 mg/dL for at least 15 min. In the titration trial, hypoglycemia duration was similar across all arms: median overall hypoglycemic episode duration (IQR) was 35.0 (20.0, 70.0) min for icodec titrations A (SMBG 80-130 mg/dL ±21 U/wk) and B (80-130 mg/dL ±28 U/wk) and for IGlar U100 (80-130 mg/dL ±4 U/day), and 39.0 (24.0, 70.0) min for icodec titration C (70-108 mg/dL ±28 U/wk). The distribution pattern of hypoglycemic episodes by duration was similar across all treatment arms. Results were similar for nocturnal hypoglycemic episodes. Similarly, in the switch trial, the duration of hypoglycemia was similar between arms, irrespective of loading dose use: median overall hypoglycemic episode duration (IQR) was 40.0 (20.0, 75.0) min for icodec with loading dose, 40.0 (25.0, 80.0) min for icodec without loading dose, and 35.0 (20.0, 60.0) min for IGlar U100. The distribution pattern of hypoglycemic episodes by duration was similar across treatment arms. Similar results were seen for the nocturnal period. In conclusion, CGM-derived hypoglycemic episode duration was similar with icodec vs. IGlar U100 in insulin-naïve and insulin-experienced patients with T2D, regardless of titration algorithm or initial loading dose use. *Proposed INN.

Dataset Information

Insulin degludec versus insulin glargine in insulin-naive patients with type 2 diabetes: a 1-year, randomized, treat-to-target trial (BEGIN Once Long).

Publications

Insulin degludec versus insulin glargine in insulin-naive patients with type 2 diabetes: a 1-year, randomized, treat-to-target trial (BEGIN Once Long).

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