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Effect of Insulin Glargine Up-titration vs Insulin Degludec/Liraglutide on Glycated Hemoglobin Levels in Patients With Uncontrolled Type 2 Diabetes: The DUAL V Randomized Clinical Trial

IMPORTANCE: Achieving glycemic control remains a challenge for patients with type 2 diabetes, even with insulin therapy. OBJECTIVE: To assess whether a fixed ratio of insulin degludec/liraglutide was noninferior to continued titration of insulin glargine in patients with uncontrolled type 2 diabetes...

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Published in:JAMA : the journal of the American Medical Association 2016-03, Vol.315 (9), p.898-907
Main Authors: Lingvay, Ildiko, Manghi, Federico Pérez, García-Hernández, Pedro, Norwood, Paul, Lehmann, Lucine, Tarp-Johansen, Mads Jeppe, Buse, John B
Format: Article
Language:English
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Summary:IMPORTANCE: Achieving glycemic control remains a challenge for patients with type 2 diabetes, even with insulin therapy. OBJECTIVE: To assess whether a fixed ratio of insulin degludec/liraglutide was noninferior to continued titration of insulin glargine in patients with uncontrolled type 2 diabetes treated with insulin glargine and metformin. DESIGN, SETTING, AND PARTICIPANTS: Phase 3, multinational, multicenter, 26-week, randomized, open-label, 2-group, treat-to-target trial conducted at 75 centers in 10 countries from September 2013 to November 2014 among 557 patients with uncontrolled diabetes treated with glargine (20-50 U) and metformin (≥1500 mg/d) with glycated hemoglobin (HbA1c) levels of 7% to 10% and a body mass index of 40 or lower. INTERVENTIONS: 1:1 randomization to degludec/liraglutide (n = 278; maximum dose, 50 U of degludec/1.8 mg of liraglutide) or glargine (n = 279; no maximum dose), with twice-weekly titration to a glucose target of 72 to 90 mg/dL. MAIN OUTCOMES AND MEASURES: Primary outcome measure was change in HbA1c level after 26 weeks, with a noninferiority margin of 0.3% (upper bound of 95% CI,
ISSN:0098-7484
1538-3598
DOI:10.1001/jama.2016.1252