The efficacy and safety of insulin degludec given in variable once-daily dosing intervals compared with insulin glargine and insulin degludec dosed at the same time daily: A 26-week, randomized, open-label, parallel-group, treat-to-target trial in individuals with type 2 diabetes

Luigi Meneghini, Stephen L. Atkin, Stephen C L Gough, Itamar Raz, Lawrence Blonde, Marina Shestakova, Stephen Bain, Thue Johansen, Kamilla Begtrup, Kåre I. Birkeland

Research output: Contribution to journalArticle

183 Scopus citations

Abstract

OBJECTIVE-The requirement to inject current basal insulin analogs at a fixed time each daymay complicate adherence and compromise glycemic control. This trial evaluated the efficacy and safety of varying the daily injection time of insulin degludec (IDeg), an ultra-long-acting basal insulin. RESEARCH DESIGN AND METHODS-This 26-week, open-label, treat-to-target trial enrolled adults (≥18 years) with type 2 diabetes who were either insulin naïve and receiving oral antidiabetic drugs (OADs) (HbA1c = 7-11%) or previously on basal insulin ± OAD(s) (HbA1c = 7-10%). Participants were randomized to 1) once-daily (OD) IDeg in a prespecified dosing schedule, creating 8-40-h intervals between injections (IDeg OD Flex; n = 229); 2) once-daily IDeg at the main evening meal (IDegOD; n = 228); or 3) once-daily insulin glargine at the same time each day (IGlarOD; n = 230). The primary outcomewas noninferiority of IDegODFlex to IGlarODinHbA1c reduction after 26 weeks. RESULTS-After 26 weeks, IDeg OD Flex, IDeg OD, and IGlar OD improved HbA1c by 1.28, 1.07, and 1.26% points, respectively (estimated treatment difference [IDeg OD Flex 2 IGlar OD]: 0.04% points [-0.12 to 0.20], confirming noninferiority). No statistically significant differences in overall or nocturnal hypoglycemia were found between IDeg OD Flex and IGlar OD. Comparable glycemic control and rates of hypoglycemia were seen with IDeg OD Flex and IDeg OD. Adverse event profiles were similar across groups. CONCLUSIONS-The use of extreme dosing intervals of 8-40 h demonstrates that the daily injection time of IDeg can be varied without compromising glycemic control or safety.

Original languageEnglish (US)
Pages (from-to)858-864
Number of pages7
JournalDiabetes care
Volume36
Issue number4
DOIs
StatePublished - Apr 1 2013

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Advanced and Specialized Nursing

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