期刊
CARDIOVASCULAR THERAPEUTICS
卷 35, 期 1, 页码 55-63出版社
WILEY
DOI: 10.1111/1755-5922.12231
关键词
PRE-RELAX-AHF; RELAX-AHF-2; RELAX-AHF-ASIA; Relaxin-2; RELAX-REPEAT; Serelaxin in hepatic impairment; Serelaxin in renal impairment
Heart failure continues to be a widely prevalent disease across the world, affecting millions of Americans annually. Acute heart failure (AHF) has a substantial effect on rising healthcare costs and is one of the major causes of morbidity and mortality. The search for new drugs for symptom relief and to improve long-term outcomes in heart failure has led to development of serelaxin, a recombinant human relaxin-2 hormone. Relaxin was discovered in pregnancy, but eventually found to have a number of other physiological actions, not only in pregnancy, but also in nonpregnant women and men. The actions of serelaxin are primarily via nitric oxide, leading to the observed vasodilatory effects, and increase in renal plasma flow. It has also been found to increase expression of vascular endothelial growth factor (VEGF) and matrix metalloproteinase (MMP)-2 and MMP-9. The antifibrotic and antiinflammatory effects of the drug also play a role in heart failure. In Phase II studies, serelaxin has shown reduction in pulmonary arterial pressure, pulmonary capillary wedge pressure, and NT-proBNP. The recently published results of the RELAX-AHF, a phase III clinical trial on serelaxin, has opened new avenues into our understanding of its effects in heart failure. The trial showed improvement in short-term dyspnea scores and 180-day mortality, but, interestingly, failed to show any improvement of the secondary endpoints of death or readmission at 60days. Ongoing Phase III trials like RELAX-AHF-2 and RELAX-AHF-ASIA would explain these data better and improve understanding of the use of serelaxin in clinical practice. This article summarizes the most updated published preclinical and clinical study data on serelaxin, including pharmacokinetic, pharmacodynamic, safety studies in hepatic, renal impaired patients, Phase II and Phase III trials.
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