Comparative efficacy of glucose-lowering medications on body weight and blood pressure in patients with type 2 diabetes: A systematic review and network meta-analysis
Abstract
AIM: To compare the effects of glucose-lowering drugs on body weight and blood pressure in adults with type 2 diabetes.
METHODS: We searched Medline, Embase, the Cochrane Library, and grey literature sources until 29 September 2020 for randomized controlled trials of at least 24 weeks' duration assessing the effects of glucose-lowering drugs on body weight and blood pressure in adults with type 2 diabetes. We performed frequentist network meta-analyses and calculated weighted mean differences and 95% confidence intervals combining trial arms of different approved doses of a given intervention into a single group. We evaluated the confidence in pooled estimates using the CINeMA (Confidence In Network Meta-Analysis) framework.
RESULTS: In total, 424 trials (276 336 patients) assessing 21 antidiabetic medications from nine drug classes were included. Subcutaneous semaglutide was the most efficacious in reducing body weight followed by oral semaglutide, exenatide twice-daily, liraglutide, and the sodium-glucose co-transporter-2 (SGLT-2) inhibitors empagliflozin, canagliflozin, dapagliflozin and ertugliflozin. The same agents also conferred the greatest reductions in systolic blood pressure. Metformin had a modest effect in reducing body weight and systolic blood pressure. Diastolic blood pressure was reduced with the SGLT-2 inhibitors pioglitazone, exenatide twice-daily and semaglutide. In subgroup analyses of trials with over 52 weeks' duration, semaglutide and SGLT-2…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 276 participants or records.
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