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Early Intensive Lipid-Lowering With Inclisiran for Plaque Stabilization in Acute Coronary Syndrome (SEsiR-ACS)

28 août 2026 mis à jour par: Chang-Hwan Yoon, Seoul National University Bundang Hospital

Statin, Ezetimibe, and Inclisiran for Plaque Regression in Acute Coronary Syndrome: A Randomized Controlled Trial (SEsiR-ACS Trial)

This multicenter, randomized, open-label clinical trial will evaluate whether an early intensive lipid-lowering strategy can improve coronary plaque stabilization in patients hospitalized with acute coronary syndrome. A total of 294 participants will be randomly assigned in a 1:1 ratio to either an early intensive treatment strategy with a high-intensity statin, ezetimibe, and inclisiran, or a guideline-based stepwise lipid-lowering strategy.

Coronary plaque characteristics will be assessed using optical coherence tomography (OCT) at baseline and at 12 months. The primary outcome is the change in minimal fibrous cap thickness from baseline to 12 months. Additional assessments will include other OCT-based plaque characteristics, lipid levels, safety outcomes, and, in a subset of participants, intravascular ultrasound measurements of plaque burden.

Aperçu de l'étude

Type d'étude

Interventionnel

Inscription (Estimé)

294

Phase

  • Phase 4

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

Lieux d'étude

    • Gyeonggi-do
      • Seongnam-si, Gyeonggi-do, Corée du Sud, 13620
        • Seoul National University Bundang Hospital
        • Contact:

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

  • Adulte
  • Adulte plus âgé

Accepte les volontaires sains

Non

La description

Inclusion Criteria:

  1. Age 19 to 85 years.
  2. Hospitalization for acute coronary syndrome (UA, NSTEMI, or STEMI) with planned coronary angiography and PCI, or PCI already performed during the index hospitalization with adequate baseline OCT images obtained during the procedure that meets the study imaging analysis criteria.
  3. Presence of a target vessel/segment considered by the investigator to be suitable for OCT assessment at baseline and at the 12-month follow-up.
  4. LDL-C level at screening meeting one of the following criteria according to background lipid-lowering therapy:

    i) ≥40 mg/dL in patients receiving stable combination therapy with a statin and ezetimibe, defined as no dose change for at least 4 weeks before screening; ii) ≥55 mg/dL in patients receiving high-intensity statin therapy; iii) ≥70 mg/dL in patients receiving low- or moderate-intensity statin therapy; or iv) ≥100 mg/dL in patients not receiving stable statin therapy.

  5. Provision of voluntary written informed consent after receiving sufficient information regarding the study objectives, procedures, and follow-up plan.

Exclusion Criteria:

  1. Severe hepatic dysfunction, defined as AST or ALT >3 times the upper limit of normal.
  2. CK >5 times the upper limit of normal or suspected clinically significant myopathy.
  3. Severe renal impairment, defined as eGFR <30 mL/min/1.73 m².
  4. Severe hypersensitivity to or contraindication to statins, ezetimibe, or inclisiran.
  5. Pregnancy, breastfeeding, or plans to become pregnant during the study period.
  6. Inability to undergo 12-month follow-up coronary angiography and OCT.
  7. Life expectancy <1 year or, in the investigator's judgment, inappropriate participation in the study because of concerns regarding adherence or safety.

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Seul

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: Early Intensive Lipid-Lowering Strategy
Participants will receive an early intensive lipid-lowering strategy consisting of a high-intensity statin, ezetimibe 10 mg once daily, and inclisiran 284 mg by subcutaneous injection initiated during the index hospitalization or as early as feasible. Inclisiran will be repeated at 3 months and 9 months.
Inclisiran sodium 284 mg/1.5 mL will be administered by subcutaneous injection in the early intensive lipid-lowering group. Inclisiran will be initiated during the index hospitalization or as early as feasible thereafter, within 2 weeks, followed by additional doses at 3 months (±2 weeks) and 9 months (±2 weeks).
High-intensity statin therapy will consist of atorvastatin 40-80 mg orally once daily or rosuvastatin 20 mg orally once daily, or the maximally tolerated dose. High-intensity statin therapy will be initiated or continued during the index hospitalization in both treatment groups.
Ezetimibe 10 mg will be administered orally once daily. In the early intensive lipid-lowering group, ezetimibe will be initiated during the index hospitalization. In the guideline-based stepwise intensification group, ezetimibe will be added according to follow-up LDL-C levels if the treatment target is not achieved with high-intensity statin therapy.
Comparateur actif: Guideline-Based Stepwise Intensification Strategy
Participants will receive a guideline-based stepwise lipid-lowering strategy. High-intensity statin therapy will be initiated or continued during the index hospitalization. Ezetimibe will be added according to follow-up LDL-C levels, and a PCSK9 inhibitor may be considered if the LDL-C target remains unmet.
High-intensity statin therapy will consist of atorvastatin 40-80 mg orally once daily or rosuvastatin 20 mg orally once daily, or the maximally tolerated dose. High-intensity statin therapy will be initiated or continued during the index hospitalization in both treatment groups.
Ezetimibe 10 mg will be administered orally once daily. In the early intensive lipid-lowering group, ezetimibe will be initiated during the index hospitalization. In the guideline-based stepwise intensification group, ezetimibe will be added according to follow-up LDL-C levels if the treatment target is not achieved with high-intensity statin therapy.

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Change in Minimal Fibrous Cap Thickness
Délai: Baseline to 12 months
Change from baseline to 12 months in minimal fibrous cap thickness (FCT), measured by optical coherence tomography (OCT) in one prespecified representative matched non-stented coronary plaque or segment per participant.
Baseline to 12 months

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Change in OCT-Derived Lipid Plaque Characteristics
Délai: Baseline to 12 months
Changes from baseline to 12 months in maximum lipid arc, mean lipid arc, lipid length, lipid index, and the prevalence of thin-cap fibroatheroma (TCFA), assessed by optical coherence tomography (OCT) in matched non-stented coronary plaque segments.
Baseline to 12 months
Change in Lipid Parameters and LDL-C Target Attainment
Délai: Baseline to 12 months
Absolute and percentage changes in LDL-C from baseline during follow-up, achievement of the prespecified LDL-C target, defined as LDL-C <40 mg/dL and a reduction of at least 50% from baseline, and changes in non-HDL-C, hsCRP, and, when available, ApoB and Lp(a).
Baseline to 12 months
Changes in IVUS-Derived Plaque Burden in the IVUS Substudy
Délai: Baseline to 12 months
Change from baseline to 12 months in percent atheroma volume (PAV), assessed by intravascular ultrasound (IVUS) in matched non-stented coronary segments. Additional IVUS assessments include changes in total atheroma volume (TAV) and plaque burden.
Baseline to 12 months

Autres mesures de résultats

Mesure des résultats
Description de la mesure
Délai
Exploratory Clinical Events
Délai: Up to 12 months
Exploratory clinical events will include cardiovascular death, nonfatal myocardial infarction, nonfatal stroke, unplanned revascularization, and hospitalization. Event numbers and cumulative incidence rates will be assessed during follow-up.
Up to 12 months

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Estimé)

1 septembre 2026

Achèvement primaire (Estimé)

1 septembre 2029

Achèvement de l'étude (Estimé)

1 septembre 2029

Dates d'inscription aux études

Première soumission

28 août 2026

Première soumission répondant aux critères de contrôle qualité

28 août 2026

Première publication (Réel)

2 septembre 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

2 septembre 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

28 août 2026

Dernière vérification

1 août 2026

Plus d'information

Termes liés à cette étude

Plan pour les données individuelles des participants (IPD)

Prévoyez-vous de partager les données individuelles des participants (DPI) ?

NON

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

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