Dataset Information

Generalizability of the Results of Cardiovascular Outcome Trials of Glucagon-Like Peptide 1 Receptor Agonists in Chinese Patients with Type 2 Diabetes Mellitus.

ABSTRACT:

Introduction

This study aimed to investigate the generalizability of the results of cardiovascular outcome trials (CVOTs) of glucagon-like peptide 1 receptor agonists (GLP-1 RAs) to Chinese patients with type 2 diabetes mellitus (T2DM).

Methods

The 3B (Blood Glucose, Blood Pressure, and Blood Lipid) population, a nationally representative population of patients with T2DM in China (n = 25,411), was examined for eligibility of enrollment in four GLP-1 RAs CVOTs (Dulaglutide-REWIND, Exenatide-EXSCEL, Liraglutide-LEADER, and Semaglutide-SUSTAIN-6). We first estimated the proportion of 3B population who would meet the six inclusion and exclusion (I/E) criteria, namely age, hemoglobin A1c (HbA1c), body mass index (BMI), estimated glomerular filtration rate (eGFR), history of cardiovascular disease (CVD), and antidiabetic medication, in each CVOT. Then we compared 11 baseline characteristics, namely age, gender, duration of diabetes, HbA1c, BMI, eGFR, history of CVD, prior myocardial infarction (MI), low-density lipoprotein cholesterol (LDL-c), diastolic blood pressure (DBP), and systolic blood pressure, between the population in each CVOT and the 3B population. Lastly, we estimated the proportion of 3B population that matched the characteristics in each CVOT population.

Results

On the basis of the I/E criteria, 31.1% of the 3B population would have been eligible for enrollment in REWIND, 15.0% for SUSTAIN-6, 12.9% for LEADER, and 11.3% for EXSCEL. On the basis of the baseline characteristics, REWIND most closely matched the 3B population on gender, duration of diabetes, HbA1c, DBP, LDL-c, history of CVD, and prior MI. The proportion of 3B population matching on at least eight or at least ten baseline characteristics with CVOT populations was highest for REWIND compared to other CVOTs.

Conclusion

Among the four GLP-1 RA CVOTs, the REWIND trial using once-weekly dulaglutide is most generalizable to Chinese patients with T2DM.

Trial registration

Trial registration: NCT01128205 ( www.clinicaltrials.gov ).

SUBMITTER: Cai X

PROVIDER: S-EPMC8266933 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundEfficacy trials showed that glucagon-like peptide-1 receptor (GLP1R) agonists reduced metabolic risk factors in addition to glucose lowering, but the cardiovascular and microvascular efficacy of this drug class remains to be determined. We aimed to evaluate the overall cardiovascular and microvascular efficacy of GLP1R agonists by performing a meta-analysis with trial sequential analysis.MethodsRandomized controlled, cardiovascular outcomes trials including at least 2000 patient-years' follow-up and 100 composite cardiovascular events were included. Trial sequential analysis (TSA) was performed and the quality of evidence was graded.ResultsThirty-three thousand four hundred fifty-seven patients and 4105 cardiovascular events from 4 large trials were included. GLP1R agonists were associated with a statistically significant reduction in risks for all-cause mortality (hazard ratio [HR]: 0.88, 95% CI: 0.81 to 0.95; number needed to treat [NNT]: 286 person-years), cardiovascular mortality (HR: 0.87, 95% CI: 0.79 to 0.96; NNT: 412 person-years), stroke (HR: 0.87, 95% CI: 0.76 to 0.98; NNT: 209 person-years) and the composite adverse cardiovascular outcome (MACE; HR: 0.91, 95% CI: 0.85 to 0.96; NNT: 241 person-years). The magnitude of benefit on MACE was attenuated in patients with a history of congestive heart failure (HR: 0.96, 95% CI: 0.85 to 1.08 with; HR: 0.87, 95% CI: 0.77 to 1.00 without). The risks for hospitalization for heart failure and myocardial infarction were not significantly different. The quality of the evidence was deemed as moderate to high based on GRADE approach. TSA provided firm evidence for a 10% reduction in all-cause mortality, a 15% reduction in MACE, and lack of a 15% reduction in hospitalization for heart failure, but evidence remains inconclusive for cardiovascular mortality and myocardial infarction. GLP1R agonists numerically reduced the rates for nephropathy but the risk for retinopathy was similar.ConclusionsMeta-analysis with trial sequential analysis suggested that GLP1R agonists significantly reduced the risk for all-cause mortality and composite cardiovascular outcomes, but the reduction of cardiovascular mortality remains to be confirmed.