Dataset Information

Effects of empagliflozin on insulin initiation or intensification in patients with type 2 diabetes and cardiovascular disease: Findings from the EMPA-REG OUTCOME trial.

ABSTRACT:

Aim

To evaluate the effects of empagliflozin versus placebo on subsequent insulin initiation or dosing changes in a large cardiovascular outcomes trial.

Materials and methods

In EMPA-REG OUTCOME, 7020 patients with type 2 diabetes and cardiovascular disease received empagliflozin 10 mg, 25 mg, or placebo. Median follow-up was 3.1 years. After 12 weeks of treatment, changes in background antihyperglycaemic therapy were permitted. Among insulin-naïve patients, we assessed the effects of pooled empagliflozin arms versus placebo on time to initiation of insulin. Among insulin-treated patients, we assessed effects on time to an increase or decrease in insulin dose of more than 20%.

Results

In 3633 (52%) participants not treated with insulin at baseline, empagliflozin reduced new use of insulin versus placebo by 60% (7.1% vs. 16.4%; adjusted HR 0.40 [95% CI 0.32-0.49]; P < .0001). In 3387 (48%) patients using insulin at baseline, empagliflozin reduced the need for a greater than 20% insulin dose increase by 58% (14.4% vs. 29.3%; adjusted HR 0.42 [95% CI 0.36-0.49]; P < .0001) and increased the proportion achieving sustained greater than 20% insulin dose reductions without subsequent increases in HbA1c compared with placebo (9.2% vs. 4.9%; adjusted HR 1.87 [95% CI: 1.39-2.51]; P < .0001). Sensitivity analyses confirmed consistent findings when insulin dose changes of more than 10% or more than 30% were considered.

Conclusions

In patients with type 2 diabetes and cardiovascular disease, empagliflozin markedly and durably delays insulin initiation and substantial increases in insulin dose, while facilitating sustained reductions in insulin requirements over time.

SUBMITTER: Vaduganathan M

PROVIDER: S-EPMC9291462 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Publications

Effects of empagliflozin on insulin initiation or intensification in patients with type 2 diabetes and cardiovascular disease: Findings from the EMPA-REG OUTCOME trial.

Vaduganathan Muthiah M Inzucchi Silvio E SE Sattar Naveed N Fitchett David H DH Ofstad Anne Pernille AP Brueckmann Martina M George Jyothis T JT Verma Subodh S Mattheus Michaela M Wanner Christoph C Zinman Bernard B Butler Javed J

Diabetes, obesity & metabolism 20211007 12

<h4>Aim</h4>To evaluate the effects of empagliflozin versus placebo on subsequent insulin initiation or dosing changes in a large cardiovascular outcomes trial.<h4>Materials and methods</h4>In EMPA-REG OUTCOME, 7020 patients with type 2 diabetes and cardiovascular disease received empagliflozin 10 mg, 25 mg, or placebo. Median follow-up was 3.1 years. After 12 weeks of treatment, changes in background antihyperglycaemic therapy were permitted. Among insulin-naïve patients, we assessed the effect ...[more]

PMID: 34463409

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Project description:BackgroundGlucose variability has been associated with cardiovascular outcomes in type 2 diabetes, however, the interplay between glucose variability, empagliflozin and cardiovascular death has not been explored. In the EMPA-REG OUTCOME trial, empagliflozin reduced the risk of cardiovascular death by 38%. We explore post-hoc the association between HbA1c variability and cardiovascular death, and the potential mediating effects of HbA1c variability on empagliflozin's cardiovascular death reductions.MethodsIn total, 7,020 patients with type 2 diabetes and established cardiovascular disease received placebo, empagliflozin 10 mg or 25 mg. We defined within-patient HbA1c variability as standard deviation, coefficient of variation and range of HbA1c measurements (%) post-baseline. First, we compared HbA1c variability until week 28 and 52 by Wilcoxon tests. We explored the association between cardiovascular death and HbA1c variability in placebo and pooled empagliflozin arms separately with landmark analyses at week 28 and 52, and additionally with HbA1c variability as a time-dependent co-variate. We used Cox regression models adjusted for baseline risk factors including changes in HbA1c from baseline to week 12, and the interaction term HbA1c variability* treatment.ResultsHbA1c variability was lower with empagliflozin compared to placebo. In all Cox analyses, high HbA1c variability increased the risk for cardiovascular death in both treatment arms with no interaction with treatment: e.g. an increase in HbA1c variability of one unit for the standard deviation at week 28 was associated with a subsequent increased risk of CV death with HRs of 1.97 (95% CI 1.36, 2.84) and 1.53 (1.01, 2.31) in the placebo and empagliflozin groups, separately, interaction p-value 0.3615.ConclusionsHbA1c variability was reduced by empagliflozin and high values of HbA1c variability were associated with an increased risk of cardiovascular death. Empagliflozin's reduction in cardiovascular death did not appear to be mediated by reductions in HbA1c variability. ClinicalTrials.gov number, NCT01131676.

Project description:Evidence concerning the importance of glucose lowering in the prevention of cardiovascular (CV) outcomes remains controversial. Given the multi-faceted pathogenesis of atherosclerosis in diabetes, it is likely that any intervention to mitigate this risk must address CV risk factors beyond glycemia alone. The SGLT-2 inhibitor empagliflozin improves glucose control, body weight and blood pressure when used as monotherapy or add-on to other antihyperglycemic agents in patients with type 2 diabetes. The aim of the ongoing EMPA-REG OUTCOME™ trial is to determine the long-term CV safety of empagliflozin, as well as investigating potential benefits on macro-/microvascular outcomes.Patients who were drug-naïve (HbA1c ?7.0% and ?9.0%), or on background glucose-lowering therapy (HbA1c ?7.0% and ?10.0%), and were at high risk of CV events, were randomized (1:1:1) and treated with empagliflozin 10 mg, empagliflozin 25 mg, or placebo (double blind, double dummy) superimposed upon the standard of care. The primary outcome is time to first occurrence of CV death, non-fatal myocardial infarction, or non-fatal stroke. CV events will be prospectively adjudicated by an independent Clinical Events Committee. The trial will continue until ?691 confirmed primary outcome events have occurred, providing a power of 90% to yield an upper limit of the adjusted 95% CI for a hazard ratio of <1.3 with a one-sided ? of 0.025, assuming equal risks between placebo and empagliflozin (both doses pooled). Hierarchical testing for superiority will follow for the primary outcome and key secondary outcomes (time to first occurrence of CV death, non-fatal myocardial infarction, non-fatal stroke or hospitalization for unstable angina pectoris) where non-inferiority is achieved.Between Sept 2010 and April 2013, 592 clinical sites randomized and treated 7034 patients (41% from Europe, 20% from North America, and 19% from Asia). At baseline, the mean age was 63?±?9 years, BMI 30.6?±?5.3 kg/m2, HbA1c 8.1?±?0.8%, and eGFR 74?±?21 ml/min/1.73 m2. The study is expected to report in 2015.EMPA-REG OUTCOME™ will determine the CV safety of empagliflozin in a cohort of patients with type 2 diabetes and high CV risk, with the potential to show cardioprotection.Clinicaltrials.gov NCT01131676.

Project description:AimsWe previously reported that in the EMPA-REG OUTCOME(®) trial, empagliflozin added to standard of care reduced the risk of 3-point major adverse cardiovascular events, cardiovascular and all-cause death, and hospitalization for heart failure in patients with type 2 diabetes and high cardiovascular risk. We have now further investigated heart failure outcomes in all patients and in subgroups, including patients with or without baseline heart failure.Methods and resultsPatients were randomized to receive empagliflozin 10 mg, empagliflozin 25 mg, or placebo. Seven thousand and twenty patients were treated; 706 (10.1%) had heart failure at baseline. Heart failure hospitalization or cardiovascular death occurred in a significantly lower percentage of patients treated with empagliflozin [265/4687 patients (5.7%)] than with placebo [198/2333 patients (8.5%)] [hazard ratio, HR: 0.66 (95% confidence interval: 0.55-0.79); P < 0.001], corresponding to a number needed to treat to prevent one heart failure hospitalization or cardiovascular death of 35 over 3 years. Consistent effects of empagliflozin were observed across subgroups defined by baseline characteristics, including patients with vs. without heart failure, and across categories of medications to treat diabetes and/or heart failure. Empagliflozin improved other heart failure outcomes, including hospitalization for or death from heart failure [2.8 vs. 4.5%; HR: 0.61 (0.47-0.79); P < 0.001] and was associated with a reduction in all-cause hospitalization [36.8 vs. 39.6%; HR: 0.89 (0.82-0.96); P = 0.003]. Serious adverse events and adverse events leading to discontinuation were reported by a higher proportion of patients with vs. without heart failure at baseline in both treatment groups, but were no more common with empagliflozin than with placebo.ConclusionIn patients with type 2 diabetes and high cardiovascular risk, empagliflozin reduced heart failure hospitalization and cardiovascular death, with a consistent benefit in patients with and without baseline heart failure.

Project description:BackgroundIn patients with type 2 diabetes mellitus (T2DM), a history of an ischemic event is associated with increased risk for cardiovascular (CV) disease. Whether patients with T2DM and a recent atherothrombotic diagnosis benefit from early intervention with a sodium-glucose co-transporter 2 inhibitor is unknown.MethodsThis study is a secondary analysis of the Empagliflozin Cardiovascular Outcome Event Trial in Type 2 Diabetes Mellitus Patients-Removing Excess Glucose (EMPA-REG OUTCOME), which compared empagliflozin to placebo in adults with T2DM and atherosclerotic CV disease (ASCVD). Participants were categorized based on the time since their last qualifying ASCVD diagnosis (≤ 1 year vs > 1 year). Qualifying ASCVD diagnoses included ischemic or hemorrhagic stroke, myocardial infarction, coronary artery disease, and peripheral artery disease. The primary outcome was a composite of CV death, nonfatal myocardial infarction, or nonfatal stroke.ResultsA total of 6796 participants (n = 4547 empagliflozin, n = 2249 placebo) were included. Median time since the last qualifying ASCVD diagnosis was 3.8 years (quartile 1-quartile 3: 1.5-7.6), and most qualifying diagnoses occurred > 1 year before randomization (≤ 1 year, n = 1214; > 1 year, n = 5582). Empagliflozin reduced the incidence of the primary outcome irrespective of the time since the last qualifying ASCVD diagnosis (≤ 1 year: hazard ratio 0.82, 95% confidence interval: 0.57-1.16; vs > 1 year: hazard ratio 0.85, 95% confidence interval: 0.72-1.00; P for interaction = 0.84). Results were similar for the composite of CV death or hospitalization for heart failure.ConclusionsEmpagliflozin improved CV outcomes in participants with T2DM, irrespective of the time since the last qualifying ASCVD diagnosis at randomization. Prospective trials are necessary to investigate the use of sodium-glucose co-transporter 2 inhibitors at the time of an acute ASCVD event.Trial registrationEMPA-REG OUTCOME (Clinicaltrials.gov identifier: NCT01131676).

Dataset Information

Effects of empagliflozin on insulin initiation or intensification in patients with type 2 diabetes and cardiovascular disease: Findings from the EMPA-REG OUTCOME trial.

Aim

Materials and methods

Results

Conclusions

Publications

Effects of empagliflozin on insulin initiation or intensification in patients with type 2 diabetes and cardiovascular disease: Findings from the EMPA-REG OUTCOME trial.

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