Study Results
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Basic Information
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COMPLETED
PHASE3
294 participants
INTERVENTIONAL
2017-04-25
2021-10-13
Brief Summary
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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.
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Detailed Description
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* 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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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
QUADRUPLE
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.
Alirocumab
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.
Alirocumab
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
Eligibility Criteria
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Inclusion Criteria
* 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
* 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.
18 Years
ALL
No
Sponsors
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Regeneron Pharmaceuticals
INDUSTRY
Insel Gruppe AG, University Hospital Bern
OTHER
Responsible Party
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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
Rigshospitalet
Copenhagen, , Denmark
Radboud Univerity, Nijmegen Medical Centre
Nijmegen, Gelderland, Netherlands
Erasmus Thoraxcentre
Rotterdam, , Netherlands
Basel University Hospital
Basel, , Switzerland
Bern University Hospital Inselspital
Bern, , Switzerland
Hopitaux Universitaires Geneve
Geneva, , Switzerland
Stadtspital Triemli
Zurich, , Switzerland
University Hospital Zurich USZ
Zurich, , Switzerland
Countries
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References
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Biccire FG, Haner J, Losdat S, Ueki Y, Shibutani H, Otsuka T, Kakizaki R, Hofbauer TM, van Geuns RJ, Stortecky S, Siontis GCM, Bar S, Lonborg J, Heg D, Kaiser C, Spirk D, Daemen J, Iglesias JF, Windecker S, Engstrom T, Lang I, Koskinas KC, Raber L. Concomitant Coronary Atheroma Regression and Stabilization in Response to Lipid-Lowering Therapy. J Am Coll Cardiol. 2023 Oct 31;82(18):1737-1747. doi: 10.1016/j.jacc.2023.08.019. Epub 2023 Aug 26.
Bar S, Kavaliauskaite R, Otsuka T, Ueki Y, Haner JD, Siontis GCM, Stortecky S, Shibutani H, Temperli F, Kaiser C, Iglesias JF, Jan van Geuns R, Daemen J, Spirk D, Engstrom T, Lang I, Windecker S, Koskinas KC, Losdat S, Raber L. Impact of alirocumab on plaque regression and haemodynamics of non-culprit arteries in patients with acute myocardial infarction: a prespecified substudy of the PACMAN-AMI trial. EuroIntervention. 2023 Jul 17;19(4):e286-e296. doi: 10.4244/EIJ-D-23-00201.
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Other Identifiers
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2016-01382
Identifier Type: -
Identifier Source: org_study_id
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