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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Effect of additional oral semaglutide vs sitagliptin on glycated hemoglobin in adults with type 2 diabetes uncontrolled with metformin alone or with sulfonylurea the PIONEER 3 randomized clinical trial.
JAMA 321, 1466-1480 (2019)
IMPORTANCE Phase 3 trials have not compared oral semaglutide, a glucagon-like peptide 1 receptor agonist, with other classes of glucose-lowering therapy.OBJECTIVE To compare efficacy and assess long-term adverse event profiles of once-daily oral semaglutide vs sitagliptin, 100 mg added on to metformin with or without sulfonylurea, in patients with type 2 diabetes.DESIGN, SETTING, AND PARTICIPANTS Randomized, double-blind, double-dummy, parallel-group, phase 3a trial conducted at 206 sites in 14 countries over 78 weeks from February 2016 to March 2018. Of 2463 patients screened, 1864 adults with type 2 diabetes uncontrolled with metformin with or without sulfonylurea were randomized.INTERVENTIONS Patients were randomized to receive once-daily oral semaglutide, 3 mg (n=466), 7 mg (n=466), or 14 mg (n=465), or sitagliptin, 100 mg (n=467). Semaglutide was initiated at 3 mg/d and escalated every 4 weeks, first to 7 mg/d then to 14 mg/d, until the randomized dosage was achieved.MAIN OUTCOMES AND MEASURES The primary end point was change in glycated hemoglobin (HbA(1c)), and the key secondary end point was change in body weight, both from baseline to week 26. Both were assessed at weeks 52 and 78 as additional secondary end points. End points were tested for noninferiority with respect to HbA(1c) (noninferiority margin, 0.3%) prior to testing for superiority of HbA(1c) and body weight.RESULTS Among 1864 patients randomized (mean age, 58 [SD, 10] years; mean baseline HbA(1c), 8.3%[SD, 0.9%]; mean body mass index, 32.5 [SD, 6.4]; n=879 [47.2%] women), 1758 (94.3%) completed the trial and 298 prematurely discontinued treatment (16.7% for semaglutide, 3 mg/d; 15.0% for semaglutide, 7 mg/d; 19.1% for semaglutide, 14 mg/d; and 13.1% for sitagliptin). Semaglutide, 7 and 14 mg/d, compared with sitagliptin, significantly reduced HbA(1c) (differences, -0.3%[95% CI, -0.4% to -0.1%] and -0.5%[95% CI, -0.6% to -0.4%], respectively; P<.001 for both) and body weight (differences, -1.6 kg [95% CI, -2.0 to -1.1 kg] and -2.5 kg [95% CI, -3.0 to -2.0 kg], respectively; P<.001 for both) from baseline to week 26. Noninferiority of semaglutide, 3mg/d, with respect to HbA(1c) was not demonstrated. Week 78 reductions in both end points were statistically significantly greater with semaglutide, 14 mg/d, vs sitagliptin.CONCLUSIONS AND RELEVANCE Among adults with type 2 diabetes uncontrolled with metformin with or without sulfonylurea, oral semaglutide, 7 mg/d and 14 mg/d, compared with sitagliptin, resulted in significantly greater reductions in HbA(1c) over 26 weeks, but there was no significant benefit with the 3-mg/d dosage. Further research is needed to assess effectiveness in a clinical setting.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Peptide-1 Receptor Agonists; Once-weekly Semaglutide; Glycemic Control; Efficacy; Safety; Exenatide; 56-week
ISSN (print) / ISBN
0098-7484
e-ISSN
1538-3598
Quellenangaben
Band: 321,
Heft: 15,
Seiten: 1466-1480
Verlag
American Medical Association
Verlagsort
330 N Wabash Ave, Ste 39300, Chicago, Il 60611-5885 Usa
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute for Pancreatic Beta Cell Research (IPI)