Empagliflozin improves glycaemic and weight control as add-on therapy to pioglitazone or pioglitazone plus metformin in patients with type 2 diabetes: a 24-week, randomized, placebo-controlled trial
Abstract
AIMS: This study investigated the efficacy and tolerability of empagliflozin as add-on to pioglitazone ± metformin in patients with type 2 diabetes (T2DM). METHODS: Patients with HbA1c ≥7 and ≤10% were randomized and treated with once daily empagliflozin 10 mg (n = 165), empagliflozin 25 mg (n = 168) or placebo (n = 165) as add-on to pioglitazone ± metformin for 24 weeks. Endpoints included changes from baseline in HbA1c (primary endpoint), fasting plasma glucose (FPG) and body weight at week 24. RESULTS: Adjusted mean ± standard error changes in HbA1c were -0.6 ± 0.07% and -0.7 ± 0.07% with empagliflozin 10 mg and 25 mg, respectively, vs. -0.1 ± 0.07% with placebo (both p < 0.001). More patients with HbA1c ≥7% at baseline achieved HbA1c <7% with empagliflozin 10 mg (23.8%) and 25 mg (30.0%) vs. placebo (7.7%) (both p < 0.001). FPG decreased with empagliflozin (-0.94 mmol/l for 10 mg and -1.22 mmol/l for 25 mg) and increased with placebo (+0.36 mmol/l; both p < 0.001). Adjusted mean ± standard error changes in weight were -1.62 ± 0.21 kg and -1.47 ± 0.21 kg with empagliflozin 10 mg and 25 mg, respectively, vs. +0.34 ± 0.21 kg with placebo (both p < 0.001). Similar proportions of patients reported adverse events with empagliflozin (67.3-71.4%) and placebo (72.7%). Confirmed hypoglycaemia was reported by 1.2-2.4% of patients on empagliflozin and 1.8% on placebo. CONCLUSION: Empagliflozin 10 mg and 25 mg once daily for 24 weeks as add-on to pioglitazone ± metformin reduced…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 168 participants or records.
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