Vascular Effects of Alirocumab in Acute MI-Patients

NCT ID: NCT03067844

Last Updated: 2022-02-24

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

294 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-04-25

Study Completion Date

2021-10-13

Brief Summary

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Coronary artery disease (CAD) is the most frequent cause of mortality in the industrialized world. Hypercholesterolemia is a major risk factor for the development and progression of CAD. While statins currently represent the first-line, gold-standard therapy for primary and secondary prevention of cardiovascular morbidity and mortality, nearly 50% of patients in Europe and Canada treated with statins do not achieve their target levels of low-density lipoprotein cholesterol (LDL-C) or cannot tolerate effective statin doses.

Recently, a growing number of studies of PCSK9 inhibitors in a wide spectrum of patients with hyperlipidemia on or off lipid-lowering therapy, familial hypercholesterolemia, and statin intolerance demonstrated consistent, profound, and sustained reductions in LDL-C with greater magnitude of reduction as compared with high-dose statin regimens. However, the effects of PCSK9 inhibition on coronary plaque morphology remain unknown.

This study will investigate the effect of the PCSK9 inhibitor alirocumab in patients with acute myocardial infarction undergoing percutaneous coronary intervention (PCI) in the infarct-related artery and receiving guideline-recommended high-intensity statin therapy. A serial, multivessel, intravascular ultrasound, near-infrared spectroscopy and optical coherence tomography imaging study will be performed to determine the change in plaque volume at week 52. A total of 294 patients will be enrolled in the study and randomized in a 1:1 ratio to either alirocumab or placebo.

Detailed Description

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Substudies

* Biobank/drug monitoring, all sites
* Lipidomics (n=294), all sites
* Platelet Function (n=\~150), Bern
* Endothelial Function (n=\~150), Bern
* Neatherosclerosis (n=\~294), all sites
* Neutrophilic Extracellular Trap (NET), (n=\~50), Vienna
* OCT-NIRS/IVUS Matching Substudy (n=\~104), Bern
* Positron Emission Computed Tomography (PET-CT), (n=\~50), Copenhagen
* Shear Stress (n=\~294), London
* Quantitative Flow Ratio (QFR) (n=\~294), Bern

Conditions

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Coronary Vessel Coronary Circulation Atheroma; Myocardial

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Alirocumab

Alirocumab 150 mg/mL, pre-filled auto-injector pen, every second week, starting at day 1 and up to week 50.

Group Type EXPERIMENTAL

Alirocumab

Intervention Type DRUG

Pre-filled auto-injector pen every second week, starting at day 1 and up to week 50

Placebo

Placebo, pre-filled auto-injector pen, every second week, starting at day 1 and up to week 50.

Group Type PLACEBO_COMPARATOR

Alirocumab

Intervention Type DRUG

Pre-filled auto-injector pen every second week, starting at day 1 and up to week 50

Interventions

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Alirocumab

Pre-filled auto-injector pen every second week, starting at day 1 and up to week 50

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Male or female, age ≥18 years at screening;
* Acute myocardial infarction: acute ST-segment elevation myocardial infarction (STEMI) with pain onset within ≤24h, or non-ST segment elevation myocardial infarction (NSTEMI), with at least one coronary segment (culprit lesion) requiring PCI;
* LDL-C ≥70 mg/dL (≥1.8 mmol/L) assessed prior to, or during PCI in patients who have been receiving any stable statin regimen within ≥ 4 weeks prior to enrollment; OR LDL-C ≥125 mg/dL (≥3.2 mmol/L) in patients who are statin-naïve or have not been on stable statin regimen for ≥ 4 weeks prior to enrollment;
* At least two major native coronary arteries ("target vessels") each meeting the following criteria for intracoronary imaging immediately following the qualifying PCI procedure: Angiographic evidence of \<50% reduction in lumen diameter by angiographic visual estimation;
* Target vessel deemed to be accessible to imaging catheters and suitable for intracoronary imaging in the proximal (50mm) segment ("target segment");
* Target vessel may not be a bypass (saphenous vein or arterial) graft or a bypassed native vessel;
* Target vessel must not have undergone previous PCI within the target segment;
* Target vessel is not candidate for intervention at the time of qualifying PCI or over the following 6 months in the judgment of the Investigator;
* Hemodynamic stability allowing the repetitive administration of nitroglycerine;
* Ability to understand the requirements of the study and to provide informed consent;
* Willingness to undergo follow-up intracoronary imaging.

Exclusion Criteria

* Left-main disease, defined as ≥50% reduction in lumen diameter of the left main coronary artery by angiographic visual estimation;
* Three-vessel disease, defined as ≥70% reduction in lumen diameter of three major epicardial coronary arteries by angiographic visual estimation or in major branches of one or more of these arteries, irrespective of the localization (proximal 50mm or more distal localization) of the obstructive lesions;
* History of coronary artery bypass surgery;
* "Thrombolysis In Myocardial Infarction" (TIMI) flow \<2 of the infarct-related artery after PCI;
* Unstable clinical status (hemodynamic or electrical instability);
* Significant coronary calcification or tortuosity deemed to preclude IVUS, NIRS and OCT evaluation;
* Uncontrolled cardiac arrhythmia, defined as recurrent and symptomatic ventricular tachycardia or atrial fibrillation with rapid ventricular response not controlled by medications in the past 3 months prior to screening;
* Severe renal dysfunction, defined by estimated glomerular filtration rate \<30 ml/min/1.73m2;
* Active liver disease or hepatic dysfunction;
* Known intolerance to rosuvastatin OR known statin intolerance;
* Known allergy to contrast medium, heparin, aspirin, ticagrelor or prasugrel;
* Known sensitivity to any substances to be administered, including known statin intolerance;
* Patients who previously received alirocumab or other PCSK9 inhibitor;
* Patient who received cholesterol ester transfer protein inhibitors in the past 12 months prior to screening;
* Treatment with systemic steroids or systemic cyclosporine in the past 3 months;
* Known active infection or major hematologic, metabolic, or endocrine dysfunction in the judgment of the Investigator;
* Planned surgery within 12 months;
* Patients who will not be available for study-required visits in the judgment of the Investigator;
* Current enrollment in another investigational device or drug study;
* History of cancer within the past 5 years, except for adequately treated basal cell skin cancer, squamous cell skin cancer, or in situ cervical cancer;
* Estimated life expectancy less than 1 year;
* Female of childbearing potential (age \<50 years and last menstruation within the last 12 months), who did not undergo tubal ligation, ovariectomy or hysterectomy.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Regeneron Pharmaceuticals

INDUSTRY

Sponsor Role collaborator

Insel Gruppe AG, University Hospital Bern

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Lorenz Raeber, Prof., MD

Role: PRINCIPAL_INVESTIGATOR

Bern Universitiy Hospital

Locations

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University Hospital Vienna (AKH)

Vienna, , Austria

Site Status

Rigshospitalet

Copenhagen, , Denmark

Site Status

Radboud Univerity, Nijmegen Medical Centre

Nijmegen, Gelderland, Netherlands

Site Status

Erasmus Thoraxcentre

Rotterdam, , Netherlands

Site Status

Basel University Hospital

Basel, , Switzerland

Site Status

Bern University Hospital Inselspital

Bern, , Switzerland

Site Status

Hopitaux Universitaires Geneve

Geneva, , Switzerland

Site Status

Stadtspital Triemli

Zurich, , Switzerland

Site Status

University Hospital Zurich USZ

Zurich, , Switzerland

Site Status

Countries

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Austria Denmark Netherlands Switzerland

References

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Other Identifiers

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2016-01382

Identifier Type: -

Identifier Source: org_study_id

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