Faculty of Medicine

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Author: search.filters.author.Henry, Timothy DHas files: No

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    Routine Spironolactone in Acute Myocardial Infarction
    (Massachusetts Medical Society, 2025-02-13)
    Jolly, Sanjit S
    ;
    d'Entremont, Marc-André
    ;
    Pitt, Bertram
    ;
    Lee, Shun Fu
    ;
    Mian, Rajibul
    Mineralocorticoid receptor antagonists have been shown to reduce mortality in patients after myocardial infarction with congestive heart failure. Whether routine use of spironolactone is beneficial after myocardial infarction is uncertain. Methods In this multicenter trial with a 2-by-2 factorial design, we randomly assigned patients with myocardial infarction who had undergone percutaneous coronary intervention to receive either spironolactone or placebo and either colchicine or placebo. The results of the spironolactone trial are reported here. The two primary outcomes were a composite of death from cardiovascular causes or new or worsening heart failure, evaluated as the total number of events; and a composite of the first occurrence of myocardial infarction, stroke, new or worsening heart failure, or death from cardiovascular causes. Safety was also assessed. Download a PDF of the Research Summary. Results We enrolled 7062 patients at 104 centers in 14 countries; 3537 patients were assigned to receive spironolactone and 3525 to receive placebo. At the time of our analyses, the vital status was unknown for 45 patients (0.6%). For the first primary outcome, there were 183 events (1.7 per 100 patient-years) in the spironolactone group as compared with 220 events (2.1 per 100 patient-years) in the placebo group over a median follow-up period of 3 years (hazard ratio adjusted for competing risk of death from noncardiovascular causes, 0.91; 95% confidence interval [CI], 0.69 to 1.21; P=0.51). With respect to the second primary outcome, an event occurred in 280 of 3537 patients (7.9%) in the spironolactone group and 294 of 3525 patients (8.3%) in the placebo group (hazard ratio adjusted for competing risk, 0.96; 95% CI, 0.81 to 1.13; P=0.60). Serious adverse events were reported in 255 patients (7.2%) in the spironolactone group and 241 (6.8%) in the placebo group. Conclusions Among patients with myocardial infarction, spironolactone did not reduce the incidence of death from cardiovascular causes or new or worsening heart failure or the incidence of a composite of death from cardiovascular causes, myocardial infarction, stroke, or new or worsening heart failure. (Funded by the Canadian Institutes of Health Research and others; CLEAR ClinicalTrials.gov number, NCT03048825.)
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    SYNERGY-Everolimus-Eluting Stent With a Bioabsorbable Polymer in ST-Elevation Myocardial Infarction: CLEAR SYNERGY OASIS-9 Registry
    (Elsevier BV, 2024-06-01)
    Jolly, Sanjit S
    ;
    Lee, Shun Fu
    ;
    Mian, Rajibul
    ;
    ;
    Lavi, Shahar
    Our objective was to evaluate the clinical effectiveness of the SYNERGY stent (Boston Scientific Corporation, Marlborough, Massachusetts) in patients with ST-elevation myocardial infarction (STEMI). The only drug-eluting stent approved for treatment of STEMI by the Food and Drug Administration is the Taxus stent (Boston Scientific) which is no longer commercially available, so further data are needed. The CLEAR (Colchicine and spironolactone in patients with myocardial infarction) SYNERGY stent registry was embedded into a larger randomized trial of patients with STEMI (n = 7,000), comparing colchicine versus placebo and spironolactone versus placebo. The primary outcome for the SYNERGY stent registry is major adverse cardiac events (MACE) as defined by cardiovascular death, recurrent MI, or unplanned ischemia-driven target vessel revascularization within 12 months. We estimated a MACE rate of 6.3% at 12 months after primary percutaneous coronary intervention for STEMI based on the Thrombectomy vs percutaneous coronary intervention alone in STEMI (TOTAL) trial. Success was defined as upper bound of confidence interval (CI) to be less than the performance goal of 9.45%. Overall, 733 patients were enrolled from 8 countries with a mean age 60 years, 19.4% diabetes mellitus, 41.3% anterior MI, and median door-to-balloon time of 72 minutes. The MACE rate was 4.8% (95% CI 3.2 to 6.3%) at 12 months which met the success criteria against performance goal of 9.45%. The rates of cardiovascular death, recurrent MI, or target vessel revascularization were 2.7%, 1.9%, 1.0%, respectively. The rates of acute definite stent thrombosis were 0.3%, subacute 0.4%, late 0.4%, and cumulative stent thrombosis of 1.1% at 12 months. In conclusion, the SYNERGY stent in STEMI performed well and was successful compared with the performance goal based on previous trials.