Matteo Monami1, Francesco Liistro2, Alessia Scatena3, Besmir Nreu1, Edoardo Mannucci1. 1. Department of Diabetology, Careggi Hospital and University of Florence, Florence, Italy. 2. Cardiovascular Department, Ospedale San Donato, Arezzo, Italy. 3. Department of Diabetology, Ospedale San Donato, Arezzo, Italy.
Abstract
AIMS: Sodium glucose co-transport-2 (SGLT-2) inhibitors reduce tubular glucose reabsorption, producing a reduction of blood glucose without stimulating insulin release. The aim of this meta-analysis was the systematic collection of available data from randomized trials, in order to establish the durability of the efficacy of SGLT-2 inhibitors on glycaemic control and body mass index. METHODS: A meta-analysis was performed, including all trials with a duration of at least 12 weeks, comparing SGLT-2 inhibitors with non-SGLT-2 inhibitor agents in type 2 diabetes. The principal outcome was the effect of SGLT-2 inhibitors on hemoglobin A1c (HbA1c) at 12, 24, 52 and 104 weeks. Data on body mass index at the same time points were also collected. RESULTS: Among 66 randomized trials, HbA1c reduction at 12, 24, 52 and 104 weeks was 0.63% (0.57; 0.68, 0.63% (0.57; 0.70), 0.66% (0.57; 0.74) and 0.60% (0.40; 0.81), respectively. SGLT-2 inhibitors showed a greater efficacy than dipeptidyl-peptidase-4 inhibitors (DPP-4i). Sulfonylureas appeared to be superior to SGLT-2 inhibitors at 12 weeks, but not at 24 and 52 weeks; SGLT-2 inhibitors produced a greater reduction in HbA1c than did sulfonylureas at 104 weeks. SGLT-2 inhibitor-induced weight loss in placebo-controlled trials appeared to increase progressively with the duration of treatment. CONCLUSIONS: SGLT-2 inhibitors showed a good persistence of efficacy, at least up to 2 years, with a small but significant superiority over DPP-4i. Sulfonylureas are more effective in the very short term, but less effective in the longer term.
AIMS: Sodium glucose co-transport-2 (SGLT-2) inhibitors reduce tubular glucose reabsorption, producing a reduction of blood glucose without stimulating insulin release. The aim of this meta-analysis was the systematic collection of available data from randomized trials, in order to establish the durability of the efficacy of SGLT-2 inhibitors on glycaemic control and body mass index. METHODS: A meta-analysis was performed, including all trials with a duration of at least 12 weeks, comparing SGLT-2 inhibitors with non-SGLT-2 inhibitor agents in type 2 diabetes. The principal outcome was the effect of SGLT-2 inhibitors on hemoglobin A1c (HbA1c) at 12, 24, 52 and 104 weeks. Data on body mass index at the same time points were also collected. RESULTS: Among 66 randomized trials, HbA1c reduction at 12, 24, 52 and 104 weeks was 0.63% (0.57; 0.68, 0.63% (0.57; 0.70), 0.66% (0.57; 0.74) and 0.60% (0.40; 0.81), respectively. SGLT-2 inhibitors showed a greater efficacy than dipeptidyl-peptidase-4 inhibitors (DPP-4i). Sulfonylureas appeared to be superior to SGLT-2 inhibitors at 12 weeks, but not at 24 and 52 weeks; SGLT-2 inhibitors produced a greater reduction in HbA1c than did sulfonylureas at 104 weeks. SGLT-2 inhibitor-induced weight loss in placebo-controlled trials appeared to increase progressively with the duration of treatment. CONCLUSIONS:SGLT-2 inhibitors showed a good persistence of efficacy, at least up to 2 years, with a small but significant superiority over DPP-4i. Sulfonylureas are more effective in the very short term, but less effective in the longer term.
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