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Assessment of clinical effect and treatment quality of immediate-release carvedilol-IR versus SLOW release carvedilol-SR in Heart Failure patients (SLOW-HF): study protocol for a randomized controlled trial

 Dong-Ju Choi  ;  Chan Soon Park  ;  Jin Joo Park  ;  Hae-Young Lee  ;  Seok-Min Kang  ;  Byung-Su Yoo  ;  Eun-Seok Jeon  ;  Seok Keun Hong  ;  Joon-Han Shin  ;  Myung-A Kim  ;  Dae-Gyun Park  ;  Eung-Ju Kim  ;  Soon-Jun Hong  ;  Seok Yeon Kim  ;  Jae-Joong Kim 
 TRIALS, Vol.19(1) : 103, 2018 
Journal Title
Issue Date
Carvedilol ; Clinical efficacy ; Heart failure with reduced ejection fraction ; Immediate release ; NT-proBNP ; Slow release
BACKGROUND: Carvedilol is a non-selective, third-generation beta-blocker and is one of the cornerstones for treatment for patients with heart failure and reduced ejection fraction (HFrEF). However, due to its short half-life, immediate-release carvedilol (IR) needs to be prescribed twice a day. Recently, slow-release carvedilol (SR) has been developed. The aim of this study is to evaluate whether carvedilol-SR is non-inferior to standard carvedilol-IR in terms of its clinical efficacy in patients with HFrEF. METHODS/DESIGN: Patients with stable HFrEF will be randomly assigned in a 1:1 ratio to the carvedilol-SR group (160 patients) and the carvedilol-IR group (160 patients). Patients aged >/= 20 years, with a left ventricular ejection fraction </= 40%, N-terminal pro B-natriuretic peptide (NT-proBNP) >/= 125 pg/ml or BNP >/= 35 pg/ml, who are clinically stable and have no evidence of congestion or volume retention, will be eligible. After randomization, patients will be followed up for 6 months. The primary endpoint is the change in NT-proBNP level from baseline to the study end. The secondary endpoints include the proportion of patients with NT-proBNP increment > 10% from baseline, composite of all-cause mortality and readmission, mortality rate, readmission rate, changes in blood pressure, quality of life, and drug compliance. DISCUSSIONS: The SLOW-HF trial is a prospective, randomized, open-label, phase-IV, multicenter study to evaluate the therapeutic efficacy of carvedilol-SR compared to carvedilol-IR in HFrEF patients. If carvedilol-SR proves to be non-inferior to carvedilol-IR, a once-daily prescription of carvedilol may be recommended for patients with HFrEF. TRIAL REGISTRATION: ClinicalTrials.gov, ID: NCT03209180 . Registered on 6 July 2017.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Seok Min(강석민) ORCID logo https://orcid.org/0000-0001-9856-9227
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