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Efficacy and safety of once-weekly semaglutide versus daily canagliflozin as add-on to metformin in patients with type 2 diabetes (SUSTAIN 8): a double-blind, phase 3b, randomised controlled trial
| Content Provider | Scilit |
|---|---|
| Author | Lingvay, Ildiko Catarig, Andrei-Mircea Frias, Juan P. Kumar, Harish Lausvig, Nanna L. Roux, Carel W. le Thielke, Desirée Viljoen, Adie McCrimmon, Rory J. |
| Copyright Year | 2019 |
| Description | Journal: The Lancet Diabetes & Endocrinology |
| Abstract | Summary Background Existing guidelines for management of type 2 diabetes recommend a patient-centred approach to guide the choice of pharmacological agents. Although glucagon-like peptide-1 (GLP-1) receptor agonists and sodium–glucose cotransporter-2 (SGLT2) inhibitors are increasingly used as second-line agents, direct comparisons between these treatments are insufficient. In the SUSTAIN 8 trial, we compared the efficacy and safety of semaglutide (a GLP-1 receptor agonist) with canagliflozin (an SGLT2 inhibitor) in patients with type 2 diabetes. Methods This was a double-blind, parallel-group, phase 3b, randomised controlled trial done at 111 centres in 11 countries. Eligible patients were at least 18 years old and had uncontrolled type 2 diabetes $(HbA_{1c}$ 7·0–10·5% [53–91 mmol/mol]) on stable daily metformin therapy. Patients were randomly assigned (1:1) by use of an interactive web response system to subcutaneous semaglutide 1·0 mg once weekly or oral canagliflozin 300 mg once daily. The primary endpoint was change from baseline in $HbA_{1c}$, and the confirmatory secondary endpoint was change from baseline in bodyweight, both at week 52. The primary analysis population included all randomly assigned patients, using on-treatment data collected before initiation of rescue medication. The safety analysis was done on a population that included all patients exposed to at least one dose of trial product. The trial was powered for $HbA_{1c}$ and bodyweight superiority under reasonable assumptions. This trial is registered with ClinicalTrials.gov, NCT03136484. Findings Between March 15, 2017, and Nov 16, 2018, 788 patients were randomly assigned to semaglutide 1·0 mg (394 patients) or canagliflozin 300 mg (394 patients). 739 patients completed the trial (367 in the semaglutide group and 372 in the canagliflozin group). From overall baseline mean, patients receiving semaglutide had significantly greater reductions in $HbA_{1c}$ and bodyweight than those receiving canagliflozin $(HbA_{1c}$ estimated treatment difference [ETD] −0·49 percentage points, 95% CI −0·65 to −0·33; −5·34 mmol/mol, 95% CI −7·10 to −3·57; p<0·0001; and bodyweight ETD −1·06 kg, 95% CI −1·76 to −0·36; p=0·0029). Gastrointestinal disorders, most commonly nausea, were the most frequently reported adverse events with semaglutide, occurring in 184 (47%) of 392 patients; whereas infections and infestations (defined using the Medical Dictionary for Regulatory Activities, version 21.0), most commonly urinary tract infections, occurred more frequently with canagliflozin, in 136 (35%) of 394 patients. Premature treatment discontinuation because of adverse events occurred in 38 (10%) of 392 patients with semaglutide and in 20 (5%) of 394 patients with canagliflozin. One fatal adverse event confirmed unlikely to be caused by treatment occurred in the semaglutide group. Interpretation Once-weekly semaglutide 1·0 mg was superior to daily canagliflozin 300 mg in reducing $HbA_{1c}$ and bodyweight in patients with type 2 diabetes uncontrolled on metformin therapy. These outcomes might guide treatment intensification choices. Funding Novo Nordisk. |
| Related Links | https://discovery.dundee.ac.uk/ws/files/37953405/Lancet_D_E_Lingvay_SUSTAIN_8_primary_26_July_19_submission.pdf http://www.thelancet.com/article/S2213858719303110/pdf |
| Ending Page | 844 |
| Page Count | 11 |
| Starting Page | 834 |
| ISSN | 22138587 |
| e-ISSN | 22138595 |
| DOI | 10.1016/s2213-8587%2819%2930311-0 |
| Journal | The Lancet Diabetes & Endocrinology |
| Issue Number | 11 |
| Volume Number | 7 |
| Language | English |
| Publisher | Elsevier BV |
| Publisher Date | 2019-09-17 |
| Access Restriction | Open |
| Subject Keyword | Journal: The Lancet Diabetes & Endocrinology Weekly Semaglutide Semaglutide Group |
| Content Type | Text |
| Resource Type | Article |
| Subject | Endocrinology, Diabetes and Metabolism Internal Medicine Endocrinology |
