In-silico trial emulation to predict the cardiovascular protection of new lipid-lowering drugs: an illustration through the design of the SIRIUS programme - Archive ouverte HAL
Article Dans Une Revue European Journal of Preventive Cardiology Année : 2024

In-silico trial emulation to predict the cardiovascular protection of new lipid-lowering drugs: an illustration through the design of the SIRIUS programme

Emmanuelle Bechet
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Jean-Pierre Boissel
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Bertrand Cariou
Eulalie Courcelles
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Alizée Diatchenko
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Anne Filipovics
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Riad Kahoul
Emmanuel Peyronnet
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Lolita Portal
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Solène Porte
Yishu Wang

Résumé

Introduction: Inclisiran, an siRNA targeting hepatic PCSK9 mRNA, administered twice-yearly (after initial and 3-month doses), substantially and sustainably reduced LDL-cholesterol (LDL-C) in Phase III trials. Whether lowering LDL-C with inclisiran translates into a reduced risk of major adverse cardiovascular events (MACE) is not yet established. In-silico trials applying a disease computational model to virtual patients receiving new treatments allow to emulate large scale long term clinical trials. The SIRIUS in-silico trial programme aims to predict the efficacy of inclisiran on CV events in individuals with established atherosclerotic cardiovascular disease (ASCVD). Methods: A knowledge-based mechanistic model of ASCVD was built, calibrated, and validated to conduct the SIRIUS programme (NCT05974345) aiming to predict the effect of inclisiran on CV outcomes.The SIRIUS Virtual Population included patients with established ASCVD (previous myocardial infarction (MI), previous ischemic stroke (IS), previous symptomatic lower limb peripheral arterial disease (PAD) defined as either intermittent claudication with ankle-brachial index <0.85, prior peripheral arterial revascularization procedure, or vascular amputation) and fasting LDL-C ≥ 70 mg/dL, despite stable (≥ 4 weeks) well-tolerated lipid lowering therapies.SIRIUS is an in-silico multi-arm trial programme. It follows an idealized crossover design where each virtual patient is its own control, comparing inclisiran to 1) placebo as adjunct to high-intensity statin therapy with or without ezetimibe, 2) ezetimibe as adjunct to high-intensity statin therapy, 3) evolocumab as adjunct to high-intensity statin therapy and ezetimibe.The co-primary efficacy outcomes are based on time to the first occurrence of any component of 3P-MACE (composite of CV death, nonfatal MI or nonfatal IS) and time to occurrence of CV death over 5 years. Perspectives/conclusion: The SIRIUS in-silico trial programme will provide early insights regarding a potential effect of inclisiran on MACE in ASCVD patients, several years before the availability of the results from ongoing CV outcomes trials (ORION-4 and VICTORION-2-P). Plain language summary The SIRIUS in-silico trial programme is a knowledge-based computer model built to simulate the biological and clinical long-term effects of inclisiran, an siRNA targeting hepatic PCSK9 mRNA, on virtual patients with cardiovascular disease. Key Findings: The model accurately replicates the biological processes of cardiovascular disease and the impact of lipid-lowering therapies, allowing for the prediction of randomized clinical trials.Simulating clinical trials with virtual patients can provide insights into the efficacy and safety of new treatments before the results of randomized clinical trials, potentially speeding up the drug development process.
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hal-04685273 , version 1 (03-09-2024)

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Denis Angoulvant, Solène Granjeon Noriot, Pierre Amarenco, Alexandre Bastien, Emmanuelle Bechet, et al.. In-silico trial emulation to predict the cardiovascular protection of new lipid-lowering drugs: an illustration through the design of the SIRIUS programme. European Journal of Preventive Cardiology, 2024, ⟨10.1093/eurjpc/zwae254⟩. ⟨hal-04685273⟩
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