Diabetologia (2014) 57:2475–2484 DOI 10.1007/s00125-014-3360-3

ARTICLE

HARMONY 4: randomised clinical trial comparing once-weekly albiglutide and insulin glargine in patients with type 2 diabetes inadequately controlled with metformin with or without sulfonylurea Peter N. Weissman & Molly C. Carr & June Ye & Deborah T. Cirkel & Murray Stewart & Caroline Perry & Richard Pratley

Received: 7 May 2014 / Accepted: 23 July 2014 / Published online: 11 September 2014 # Springer-Verlag Berlin Heidelberg 2014

Abstract Aims/hypothesis The aim of this study was to compare the efficacy and safety of once-weekly albiglutide with once-daily insulin glargine (A21Gly,B31Arg,B32Arg human insulin) in patients with type 2 diabetes inadequately controlled on metformin with or without sulfonylurea. Methods This was a randomised, open-label, multicentre (n=222), parallel-group, non-inferiority out-patient clinical trial, with 779 patients enrolled in the study. The study was conducted in 222 centres located in four countries. Patients aged ≥18 years with type 2 diabetes treated with metformin (±sulfonylurea) for at least 3 months with a baseline HbA1c 7.0–10.0% (53.0–85.8 mmol/mol) were randomly assigned (2:1) via a computer-generated randomisation sequence with a voice response system to receive albiglutide (30 mg once a week, n=504) or insulin glargine (10 U once a day, n=241) added to current therapy. Participants and investigators were not masked to treatment assignment. Doses of each Electronic supplementary material The online version of this article (doi:10.1007/s00125-014-3360-3) contains peer-reviewed but unedited supplementary material, which is available to authorised users. P. N. Weissman (*) Endocrinology Associates, 7867 N Kendall Dr #80, Miami, FL 33156, USA e-mail: [email protected] M. C. Carr : J. Ye : M. Stewart : C. Perry GlaxoSmithKline, Upper Merion, PA, USA

medication were adjusted on the basis of the glycaemic response. The primary endpoint was change from baseline in HbA1c at week 52. Results In the albiglutide group, HbA1c declined from 8.28± 0.90% (67.0±9.8 mmol/mol) (mean±SD) at baseline to 7.62± 1.12% (59.8±12.2 mmol/mol) at week 52. A similar reduction occurred in the insulin glargine group (8.36±0.95% to 7.55± 1.04% [67.9±10.4 to 59.0±11.4 mmol/mol]). The modeladjusted treatment difference of 0.11% (95% CI −0.04%, 0.27%) (1.2 mmol/mol [95% CI −0.4, 3.0 mmol/mol]) indicated non-inferiority of albiglutide to insulin glargine based on the pre-specified non-inferiority margin of 0.3% (3.3 mmol/mol, p=0.0086). Body weight increased in the insulin glargine group and decreased in the albiglutide group, with a mean treatment difference of −2.61 kg (95% CI −3.20, −2.02; p60 ml/min, and fasting C-peptide ≥0.8 ng/ml. Important exclusion criteria included a history of cancer, treated diabetic gastroparesis, current symptomatic biliary disease or history of pancreatitis, significant gastrointestinal surgery, or recent significant cardiovascular (within 2 months) or cerebrovascular (within 1 month) events and history or family history of medullary carcinoma or multiple endocrine neoplasia type 2. Patients who met additional exclusion criteria, including elevated levels of total bilirubin, alanine aminotransferase, aspartate aminotransferase, amylase, lipase or fasting triacylglycerol, were also excluded. The study comprised four periods: screening, 4 weeks of placebo run-in, treatment period (52 weeks of treatment to assess the primary endpoint followed by a further 104 weeks of treatment), and 8 weeks of follow-up. Patients were randomised in a 2:1 ratio to subcutaneous albiglutide 30 mg once a week or daily subcutaneous injections of insulin glargine starting at 10 U. Randomisation was by a sequestered fixed schedule (electronic supplementary material [ESM] Methods) and was stratified by HbA1c level (

HARMONY 4: randomised clinical trial comparing once-weekly albiglutide and insulin glargine in patients with type 2 diabetes inadequately controlled with metformin with or without sulfonylurea.

The aim of this study was to compare the efficacy and safety of once-weekly albiglutide with once-daily insulin glargine (A21Gly,B31Arg,B32Arg human i...
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