European journal of heart failure · 2022
Safety and efficacy of istaroxime in patients with acute heart failure-related pre-cardiogenic shock - a multicentre, randomized, double-blind, placebo-controlled, parallel group study (SEISMiC).
Рандомизированное исследованиеМногоцентровое исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Metra Marco, Chioncel Ovidiu, Cotter Gad, Davison Beth, Filippatos Gerasimos, Mebazaa Alexandre, Novosadova Maria, Ponikowski Piotr, Simmons Phillip, Soffer Joseph, Simonson Steven
Аннотация
AIMS: We examined the effects of istaroxime in patients hospitalized for acute heart failure (AHF) related Society for Cardiovascular Angiography and Interventions (SCAI) stage B pre-cardiogenic shock (CS).
METHODS AND RESULTS: Sixty patients with AHF without acute myocardial infarction with pre-CS, defined as systolic blood pressure (SBP) <90 mmHg without hypoperfusion, venous lactate ≥2 mmol/L and/or mechanical or inotropic support, were randomized to istaroxime 1.0-1.5 μg/kg/min or placebo for 24 h. The primary endpoint, the adjusted area under the curve (AUC) change in SBP from time of treatment to 6 h, was 53.1 (standard error [SE] 6.88) mmHg × hour versus 30.9 (SE 6.76) mmHg × hour with istaroxime versus placebo (p = 0.017). Adjusted SBP AUC at 24 h was 291.2 (SE 27.5) versus 208.7 (SE 27.0) mmHg × hour (p = 0.025). At 24 h, some echocardiographic measurements improved with istaroxime versus placebo including cardiac index (+0.21 L/min/m2 ; p = 0.016), left atrial area (-1.8 cm2 ; p = 0.008), and left ventricular end-systolic volume (-12.0 ml; p = 0.034). There were no significant differences in pulse pressure, laboratory measurements, serious adverse events or adverse events between the treatment groups except for more nausea, vomiting and infusion site pain in the istaroxime-treated patients. In a post-hoc analysis, patients receiving ≤1.0 μg/kg/min versus 1.5 μg/kg/min had similar increase in blood pressure, but a trend towards less adverse events.
CONCLUSION: In a phase 2a study of patients with AHF related pre-CS, istaroxime improved blood pressure and some echocardiography measures related to heart failure and was well tolerated.
METHODS AND RESULTS: Sixty patients with AHF without acute myocardial infarction with pre-CS, defined as systolic blood pressure (SBP) <90 mmHg without hypoperfusion, venous lactate ≥2 mmol/L and/or mechanical or inotropic support, were randomized to istaroxime 1.0-1.5 μg/kg/min or placebo for 24 h. The primary endpoint, the adjusted area under the curve (AUC) change in SBP from time of treatment to 6 h, was 53.1 (standard error [SE] 6.88) mmHg × hour versus 30.9 (SE 6.76) mmHg × hour with istaroxime versus placebo (p = 0.017). Adjusted SBP AUC at 24 h was 291.2 (SE 27.5) versus 208.7 (SE 27.0) mmHg × hour (p = 0.025). At 24 h, some echocardiographic measurements improved with istaroxime versus placebo including cardiac index (+0.21 L/min/m2 ; p = 0.016), left atrial area (-1.8 cm2 ; p = 0.008), and left ventricular end-systolic volume (-12.0 ml; p = 0.034). There were no significant differences in pulse pressure, laboratory measurements, serious adverse events or adverse events between the treatment groups except for more nausea, vomiting and infusion site pain in the istaroxime-treated patients. In a post-hoc analysis, patients receiving ≤1.0 μg/kg/min versus 1.5 μg/kg/min had similar increase in blood pressure, but a trend towards less adverse events.
CONCLUSION: In a phase 2a study of patients with AHF related pre-CS, istaroxime improved blood pressure and some echocardiography measures related to heart failure and was well tolerated.