L'influence de la modification des lésions coronariennes hautement calcifiées sur la microcirculation coronarienne
This is a prospective, single-center, three-arm study to evaluate the impact of severely calcified coronary lesions treatment on microvascular circulation. We will enroll 30 conveniently sampled subjects assigned to one of three therapeutical methods lithotripsy, super-high pressure balloon, and orbital atherectomy prior to implantation of drug-eluting stents (DES).
Aperçu de l'étude
Statut
Les conditions
Description détaillée
This prospective, non-randomized, single-center study includes subjects who meet all of the inclusion and none of the exclusion criteria and sign the ICF. 30 patients with severe coronary stenosis will be enrolled. The severity will be assessed by Optical Coherence Tomography (OCT) based on the degree of calcification in the coronary lesion as defined by this protocol. Subjects will be assigned to one of three arms (lithotripsy, super-high pressure balloon or orbital atherectomy) followed by an implantation of drug-eluting stents (DES). The aposition and expansion of DES will be evaluated using OCT . Patients will be followed through discharge, 30 days and 12 months.
Type d'étude
Inscription (Estimé)
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
-
-
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Katowice, Pologne, 40-081
- Upper Silesian Medical Centre
-
-
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- Subjects with native coronary artery disease (including stable or unstable angina and NSTEMI) suitable for PCI.
- The lesion must be crossable with the study guide wire.
- The target vessel reference diameter must be ≥ 2.5mm and ≤ 4.0 mm.
- The target lesion must have evidence of severe calcium deposit at the lesion site based on the protocol criterion.
- Subject or legally authorized representative, signs a written Informed Consent form to participate in the study, prior to any study-mandated procedures.
- Male or female, age above or equal to 18 years at the time of signing informed consent.
Further inclusion criteria may apply
Exclusion Criteria:
- Inability to understand the study or a history of non-compliance with medical advice.
- Unwilling or unable to sign the Informed Consent Form (ICF).
- History of any cognitive or mental health status that would interfere with trial participation.
- Male or female, age under 18 years at the time of signing informed consent.
- Female subjects who are pregnant or planning to become pregnant within the study period.
- Subject has a known sensitivity to contrast media, which cannot be adequately pre-medicated.
- Subject has evidence of an active infection on the day of the procedure requiring oral or intravenous antibiotics.
- Limited long term prognosis due to other conditions.
- Subjects in cardiogenic shock or with decompensated heart failure (NYHA class IV).
- Subject diagnosed with chronic kidney disease stage 4 or greater (eGFR <30).
- Most recent left ventricular ejection fraction ≤ 20%.
- Subject is an acceptable candidate for coronary artery bypass surgery.
- The target vessel reference diameter is under 2.0 mm.
- Target lesion is located in or supplied by an arterial or venous bypass graft.
- The target vessel has angiographically visible or suspected thrombus.
- The target lesion is in an in-stent restenosis.
- Subject has received a heart transplant.
- Subject has major valve disease and underwent intervention within 30 days prior to randomization.
Further exclusion criteria may apply
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Non randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Seul
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Expérimental: High-pressure non-compliant balloon
The SIS Medical OPN NC® super high-pressure coronary balloon will be used for balloon angioplasty vessel preparation prior to implantation of a drug-eluting stent. |
Calcified lesion preparation using high-pressure non-compliant balloon before implantation of a drug-eluting stent Optical coherence tomography assessment of coronary arteries. A coronary thermodilution system used for evaluate differences between the impact of calcified lesion preparation methods on coronary microvascular function. |
|
Expérimental: Orbital atherectomy
The Diamondback 360® Coronary Orbital Atherectomy System (OAS) will be used for orbital atherectomy (OA) vessel preparation prior to implantation of a drug-eluting stent. |
Optical coherence tomography assessment of coronary arteries. A coronary thermodilution system used for evaluate differences between the impact of calcified lesion preparation methods on coronary microvascular function. Calcified lesion preparation using orbital atherectomy before implantation of a drug-eluting stent |
|
Expérimental: Lithotripsy
The Shockwave® Medical system will be used for intravascular lithotripsy (IVL) vessel preparation prior to implantation of a drug-eluting stent. |
Optical coherence tomography assessment of coronary arteries. A coronary thermodilution system used for evaluate differences between the impact of calcified lesion preparation methods on coronary microvascular function. Calcified lesion preparation using lithotripsy before implantation of a drug-eluting stent |
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Coronary Flow Reserve (CFR)
Délai: Intraprocedural
|
Determination of a difference between Coronary Flow Reserve (CFR) at the beginning and at the end of the procedure using CoroFlow™ Cardiovascular System. |
Intraprocedural
|
|
Index of Microcirculatory Resistance (IMR)
Délai: Intraprocedural
|
Determination of a difference between Index of Microcirculatory Resistance (IMR) at the beginning and at the end of the procedure using CoroFlow™ Cardiovascular System. |
Intraprocedural
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Stent expansion
Délai: Intraprocedural
|
Stent expansion (%) evaluated by optical coherence tomography. |
Intraprocedural
|
|
Acceptable stent expansion
Délai: Intraprocedural
|
Acceptable stent expansion (cut-off value defined as >80%) evaluated by optical coherence tomography. |
Intraprocedural
|
|
Optimal stent expansion
Délai: Intraprocedural
|
Optimal stent expansion (cut-off value defined as >90%) evaluated by optical coherence tomography. |
Intraprocedural
|
|
Minimal lumen diameter (MLD) difference
Délai: Intraprocedural
|
Determination of a difference between quantitative OCT measured minimal lumen diameter (MLD) at the beginning and at the end of the procedure. |
Intraprocedural
|
|
Procedural Success
Délai: Up to 3 years
|
Procedural success - defined as successful stent delivery and angiographic in-vessel residual stenosis <30%, and with the absence of any of the following: stent loss, coronary artery dissection, coronary artery perforation, PCI no reflow phenomenon or MACCE (defined as a composite of cardiovascular death, myocardial infarction at the targeted vessel, targeted coronary vessel revascularization (PCI or CABG), TIA or stroke). |
Up to 3 years
|
|
Strategy Success
Délai: Intraprocedural
|
Strategy success - defined as procedural success without crossover to alternative treatment. |
Intraprocedural
|
Autres mesures de résultats
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
The proportion of subjects that experience Major Adverse Cardiovascular and Cerebrovascular Events (MACCE)
Délai: Up to 3 years
|
30-day and 1 year MACCE defined as a composite of cardiovascular death, myocardial infarction at the targeted vessel, targeted coronary vessel revascularization (PCI or CABG), TIA or stroke. |
Up to 3 years
|
|
The proportion of subjects that experience Target Vessel Revascularization (TVR)
Délai: Up to 3 years
|
30-day and 1 year Target Vessel Revascularization (TVR) - defined as any repeat revascularization at the target vessel (inclusive of the target lesion) and target vessel collaterals after the completion of the procedure. |
Up to 3 years
|
|
The proportion of subjects that experience Target Lesion Revascularization (TLR)
Délai: Up to 3 years
|
30-day and 1 year Target Lesion Revascularization (TLR) - defined as repeat intervention PCI or surgery within the index procedure stent or 5mm proximal or distal to the stent. |
Up to 3 years
|
|
Myocardial infarction (MI) rate at 30-day and 1 year
Délai: Up to 3 years
|
The proportion of subjects that experience a Myocardial Infarction (MI) at 30-day and 1 year. |
Up to 3 years
|
Collaborateurs et enquêteurs
Parrainer
Collaborateurs
Les enquêteurs
- Chercheur principal: Paweł Gąsior, MD, PhD, Division of Cardiology and Structural Heart Diseases, Medical University of Silesia
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Estimé)
Achèvement de l'étude (Estimé)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
- La douleur
- Manifestations neurologiques
- Maladies vasculaires
- Maladies cardiovasculaires
- Processus pathologiques
- Maladies cardiaques
- Infarctus
- Nécrose
- Artériosclérose
- Maladies artérielles occlusives
- Maladie coronarienne
- Infarctus du myocarde
- Ischémie
- Douleur thoracique
- Angine de poitrine
- Conditions pathologiques, signes et symptômes
- Signes et symptômes
- Infarctus du myocarde sans élévation du segment ST
- Maladie de l'artère coronaire
- Ischémie myocardique
- Angine, instable
- Techniques d'investigation
- Thérapeutique
- Techniques et procédures de diagnostic
- Diagnostic
- Procédures chirurgicales, opératoires
- Tomographie
- Imagerie diagnostique
- Tomographie, optique
- Imagerie optique
- Procédures chirurgicales à ultrasons
- Tomographie, cohérence optique
- Lithotripsie
Autres numéros d'identification d'étude
- BNW/NWN/0052/KB1/4/24
Plan pour les données individuelles des participants (IPD)
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Informations sur les médicaments et les dispositifs, documents d'étude
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