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Clinical Trial Summary

The main goal of this study is to evaluate the effect of the proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor evolocumab on cardiac allograft vasculopathy in de novo heart transplant recipients. Secondary objectives are to assess the impact of treatment on: i) cholesterol levels, ii) renal function, iii) inflammation, iv) quality of life, v) cardiac function as assessed by biomarkers and echocardiography, vi) the number of rejections, and (vii) safety and tolerability. As an exploratory outcome, the investigators will asses the effect of treatment on clinical events (death, myocardial infarction, cerebral stroke, cancer, end stage renal disease).


Clinical Trial Description

Cardiac allograft vasculopathy is an important cause of morbidity and mortality in heart transplant recipients. Previous data show that, although clinical coronary artery disease often manifests years after heart transplantation, there are substantial changes in the coronary artery intima thickness over the first year after transplantation, suggesting that the adverse process starts shortly after transplantation. Moreover, the investigator's previous data have suggested that, whereas early intervention can prevent the long-term progression of cardiac allograft vasculopathy, the same intervention is less effective when administered late after heart transplantation. Thus, there seems to be a window of opportunity for preventive measures against cardiac allograft vasculopathy in de-novo transplant recipients. The strong association between cholesterol levels and coronary heart disease in the general population, the high cholesterol levels in heart transplant recipients, the high prevalence of vasculopathy in the cardiac allograft, and the association between cholesterol levels and cardiac allograft vasculopathy together provide a strong rationale for aggressive cholesterol lowering in heart transplant recipients. Statins improve outcomes in heart transplant recipients, but their limited effect on post-transplant cholesterol levels, adverse effects, and drug interactions contribute to their not providing sufficient prophylaxis against post-transplant atherosclerotic disease. Evolocumab is a well-tested drug with a favourable safety profile. It effectively reduces cholesterol levels on top of statin therapy in patients with coronary heart disease. The investigators hypothesise that evolocumab on top of statin therapy will significantly lower low density lipoprotein (LDL) levels in de novo heart transplant recipients. The investigators assume that this reduction in cholesterol levels will manifest as a reduced burden of cardiac allograft vasculopathy as measured by intracoronary ultrasound. Ultimately, the investigators believe that a reduced burden of vasculopathy will translate to reduced morbidity and long-term mortality in heart transplant recipients. The EVOLVD trial is a randomised, placebo-controlled, double-blind study designed to test the hypothesis that treatment with evolocumab can ameliorate cardiac allograft vasculopathy in heart transplant recipients. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03734211
Study type Interventional
Source Oslo University Hospital
Contact
Status Completed
Phase Phase 3
Start date June 10, 2019
Completion date May 20, 2023

See also
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