Cette page a été traduite automatiquement et l'exactitude de la traduction n'est pas garantie. Veuillez vous référer au version anglaise pour un texte source.

Thrombectomie par aspiration utilisant le système Symphony ou Prodigy (CLEAR-IT)

20 octobre 2026 mis à jour par: Imperative Care, Inc.

Évaluation Clinique à Long Terme de la Thrombectomie par Aspiration Utilisant le Système de Thrombectomie Symphony ou Prodigy - CLEAR-IT

The study is designed to evaluate the short-term and long-term clinical performance and safety of the Symphony and Prodigy thrombectomy systems used in endovascular procedures across the peripheral or pulmonary vasculature.

Aperçu de l'étude

Type d'étude

Observationnel

Inscription (Estimé)

750

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

    • Alabama
      • Huntsville, Alabama, États-Unis, 35801
        • Recrutement
        • Huntsville Hospital
    • Florida
      • Clearwater, Florida, États-Unis, 33756
        • Recrutement
        • BayCare Health System- Morton Plant Hospital
      • Jacksonville, Florida, États-Unis, 32216
        • Recrutement
        • HCA Florida Memorial Hospital
      • Tampa, Florida, États-Unis, 33607
        • Recrutement
        • BayCare Health System - St. Joseph Hospital
    • Illinois
      • Naperville, Illinois, États-Unis, 60540
        • Recrutement
        • Midwest Cardiovascular Institute
    • Indiana
      • Munster, Indiana, États-Unis, 46321
        • Recrutement
        • Profound Research
    • Michigan
      • Detroit, Michigan, États-Unis, 48202
        • Recrutement
        • Henry Ford Hospital
    • New York
      • Buffalo, New York, États-Unis, 14203
        • Recrutement
        • University At Buffalo
      • New York, New York, États-Unis, 10029
        • Recrutement
        • Mount Sinai Hospital
    • North Carolina
      • Raleigh, North Carolina, États-Unis, 27607
        • Recrutement
        • NC Heart and Vascular Research
    • Ohio
      • Cincinnati, Ohio, États-Unis, 45242
        • Recrutement
        • Mercy Health
    • Texas
      • Fort Worth, Texas, États-Unis, 761104
        • Recrutement
        • Medical City Fort Worth Hospital
    • Virginia
      • Norfolk, Virginia, États-Unis, 23502
        • Recrutement
        • Sentara Norfolk General Hospital

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

18 ans et plus (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Tout

Méthode d'échantillonnage

Échantillon non probabiliste

Population étudiée

The study will enroll subjects aged 18 years and older who are undergoing endovascular procedures in the peripheral or pulmonary vasculature systems where, in the opinion of the treating physician, Imperative Care devices are appropriate for use within their cleared indications. All subjects must meet the general eligibility criteria and provide written informed consent prior to any study-specific data collection.

La description

Inclusion Criteria:

  1. Subject is ≥ 18 years of age
  2. Subject is willing and able to comply with the follow-up schedule specified in this protocol
  3. Subject is willing and able to provide written informed consent prior to any study-related data collection
  4. Subject has a planned procedure, involving the use of Imperative Care vascular devices within their intended use

Exclusion Criteria:

  1. Subjects with any contraindications per the applicable Instructions for Use
  2. Subject with life expectancy of less than 1 year
  3. In the opinion of the Investigator, the patient is not a suitable candidate for intervention with Imperative Care devices
  4. Subject who may be unable to complete study follow-up
  5. Peripheral Venous Cohort ONLY: Presence of thrombus extending more than 2 cm into the IVC on imaging

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

  • Modèles d'observation: COHORT
  • Perspectives temporelles: PROSPECTIVE

Cohortes et interventions

Groupe / Cohorte
Intervention / Traitement
Peripheral Arterial

Subjects in this cohort will undergo aspiration thrombectomy to remove thrombus from the peripheral arterial vasculature

Removal of thrombus/emboli from blood vessels in the peripheral vasculature

Peripheral Venous

Subjects in this cohort will undergo aspiration thrombectomy to remove thrombus from the peripheral venous vasculature

Removal of thrombus/emboli from blood vessels in the peripheral vasculature

Removal of thrombus/emboli from the pulmonary vasculature

Pulmonary Embolism

Subjects in this cohort will undergo aspiration thrombectomy to remove thrombus from the pulmonary vasculature

Removal of thrombus/emboli from blood vessels in the peripheral vasculature

Removal of thrombus/emboli from the pulmonary vasculature

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Peripheral Arterial Cohort
Délai: 30 days

Freedom from major (above-ankle) unanticipated amputation of the index limb

30 days
Peripheral Venous Cohort
Délai: 30 days

Treated limb improvement at 30 days, defined as no unplanned intervention for breakthrough re-thrombosis and improvement in Villalta score relative to baseline.

30 days
Pulmonary Embolism (PE) Cohort
Délai: 30 Days

Normal right ventricular function at 30 days follow-up, defined as tricuspid annular plane systolic excursion (TAPSE) >1.7cm , measured on transthoracic echocardiography (TTE) and independently adjudicated.

30 Days

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Peripheral Arterial Cohort
Délai: 90 Days

Freedom from major (above-ankle) amputation of the index limb

90 Days
Peripheral Arterial Cohort
Délai: 180 Days

Freedom from major (above-ankle) amputation of the index limb

180 Days
Peripheral Arterial Cohort
Délai: 30 Days

Major adverse cardiovascular events (MACE) rate

30 Days
Peripheral Arterial Cohort
Délai: 90 Days

Major adverse cardiovascular events (MACE) rate

90 Days
Peripheral Arterial Cohort
Délai: 180 Days

Major adverse cardiovascular events (MACE) rate

180 Days
Peripheral Arterial Cohort
Délai: 30 Days

Target vessel patency assessed using change in ankle-brachial index

30 Days
Peripheral Arterial Cohort
Délai: 90 Days

Target vessel patency assessed using change in ankle-brachial index

90 Days
Peripheral Arterial Cohort
Délai: 180 Days

Target vessel patency assessed using change in ankle-brachial index

180 Days
Peripheral Arterial Cohort
Délai: 30 Days

Target vessel patency assessed using change in Rutherford claudication grade

30 Days
Peripheral Arterial Cohort
Délai: 90 Days

Target vessel patency assessed using change in Rutherford claudication grade

90 Days
Peripheral Arterial Cohort
Délai: 180 Days

Target vessel patency assessed using change in Rutherford claudication grade

180 Days
Peripheral Arterial Cohort
Délai: 30 Days

Rate of re-intervention for index limb due to re-thrombosis in patients who are compliant with prescribed medical management

30 Days
Peripheral Arterial Cohort
Délai: 90 Days

Rate of re-intervention for index limb due to re-thrombosis in patients who are compliant with prescribed medical management

90 Days
Peripheral Arterial Cohort
Délai: 180 Days

Rate of re-intervention for index limb due to re-thrombosis in patients who are compliant with prescribed medical management

180 Days
Peripheral Arterial Cohort
Délai: 90 Days

Quality of life assessment using Vascular Quality of Life Questionnaire-6 (VASCUQOL-6)

90 Days
Peripheral Arterial Cohort
Délai: 180 Days

Quality of life assessment using Vascular Quality of Life Questionnaire-6 (VASCUQOL-6)

180 Days
Peripheral Arterial Cohort
Délai: 30 Days

All-cause mortality

30 Days
Peripheral Arterial Cohort
Délai: 90 Days

All-cause mortality

90 Days
Peripheral Arterial Cohort
Délai: 180 Days

All-cause mortality

180 Days
Peripheral Venous Cohort
Délai: Intraprocedural

Technical success defined as complete or near complete (>75%) reduction in Marder score from baseline to immediately after the use of the device and prior to any use of adjunctive device, as independently adjudicated

Intraprocedural
Peripheral Venous Cohort
Délai: 48 hours

Rate of Major Adverse Events (MAEs) as adjudicated by an independent medical monitor and defined as the occurrence of any of the following:

  • Major bleeding
  • Device-related mortality
  • Device-related Serious Adverse Events (SAE)
48 hours
Peripheral Venous Cohort
Délai: 90

Treated limb improvement at 90 days, defined as no unplanned intervention for re-thrombosis in patients who are compliant with prescribed medical management and improvement in Villalta score relative to baseline

90
Peripheral Venous Cohort
Délai: 180

Treated limb improvement at 180 days, defined as no unplanned intervention for re-thrombosis in patients who are compliant with prescribed medical management and improvement in Villalta score relative to baseline

180
Peripheral Venous Cohort
Délai: 30 Days

Proportion of patients demonstrating decrease in Villalta score (A decrease in Villalta score reflects an improvement per the following scale: 0-4 - no disease; 5-9: mild disease; 10-14: moderate disease; 15 or > : severe disease)

30 Days
Peripheral Venous Cohort
Délai: 90 Days

Proportion of patients demonstrating decrease in Villalta score

90 Days
Peripheral Venous Cohort
Délai: 180 Days

Proportion of patients demonstrating decrease in Villalta score

180 Days
Peripheral Venous Cohort
Délai: 30 Days

Unplanned intervention for imaging-confirmed re-thrombosis of the treated venous segment in patients who are compliant with prescribed medical management post index procedure.

30 Days
Peripheral Venous Cohort
Délai: 60 Days

Unplanned intervention for imaging-confirmed re-thrombosis of the treated venous segment in patients who are compliant with prescribed medical management post index procedure.

60 Days
Peripheral Venous Cohort
Délai: 180 Days

Unplanned intervention for imaging-confirmed re-thrombosis of the treated venous segment in patients who are compliant with prescribed medical management post index procedure.

180 Days
Peripheral Venous Cohort
Délai: 180 Days

Quality of life and symptom severity assessment using the Venous Insufficiency Epidemiological and Economic Study (VEINES -QOL); higher scores indicate better quality of life/fewer symptoms

180 Days
Peripheral Venous Cohort
Délai: 30 Days

All-cause mortality

30 Days
Peripheral Venous Cohort
Délai: 90 Days

All-cause mortality

90 Days
Peripheral Venous Cohort
Délai: 180 Days

All-cause mortality

180 Days
Pulmonary Embolism Cohort
Délai: Intraprocedural

Change in pulmonary artery pressure

Intraprocedural
Pulmonary Embolism Cohort
Délai: 48 hours

Normal tricuspid annular plane systolic excursion (TAPSE) - independently adjudicated

48 hours
Pulmonary Embolism Cohort
Délai: 48 hours

Right ventricle fractional area change (FAC) on TTE pre-procedure, 48 hours - independently adjudicated

48 hours
Pulmonary Embolism Cohort
Délai: 30 Days

Right ventricle fractional area change (FAC) on TTE pre-procedure, 30 days - independently adjudicated

30 Days
Pulmonary Embolism Cohort
Délai: 48 hours

Tricuspid annular peak systolic velocity (S') pre-procedure, 48 hours - independently adjudicated

48 hours
Pulmonary Embolism Cohort
Délai: 30 Days

Tricuspid annular peak systolic velocity (S') pre-procedure, 30 days - independently adjudicated

30 Days
Pulmonary Embolism Cohort
Délai: 48 hours

Rate of Major Adverse Events (MAEs) as adjudicated by an independent medical monitor and defined as the occurrence of any of the following:

  • Major bleeding
  • Device-related mortality
  • Device-related Serious Adverse Events (SAE)
48 hours
Pulmonary Embolism Cohort
Délai: 30 days

Right ventricle to left ventricle (RV/LV) ratio reduction from baseline

30 days
Pulmonary Embolism Cohort
Délai: 90 Days

Proportion of patients with improved or unchanged New York Hearth Association (NYHA) functional class

90 Days
Pulmonary Embolism Cohort
Délai: 180 Days

Proportion of patients with improved or unchanged New York Hearth Association (NYHA) functional class

180 Days
Pulmonary Embolism Cohort
Délai: 30 Days

Pulmonary Embolism recurrence

30 Days
Pulmonary Embolism Cohort
Délai: 90 Days

Pulmonary Embolism recurrence

90 Days
Pulmonary Embolism Cohort
Délai: 180 Days

Pulmonary Embolism recurrence

180 Days
Pulmonary Embolism Cohort
Délai: 30 Days

Quality of life assessed by the Pulmonary Embolism Quality of Life (PEmb-QoL) questionnaire

30 Days
Pulmonary Embolism Cohort
Délai: 90 Days

Quality of life assessed by the Pulmonary Embolism Quality of Life (PEmb-QoL) questionnaire

90 Days
Pulmonary Embolism Cohort
Délai: 180 Days

Quality of life assessed by the Pulmonary Embolism Quality of Life (PEmb-QoL) questionnaire

180 Days
Pulmonary Embolism Cohort
Délai: 30 Days

All-cause mortality

30 Days
Pulmonary Embolism Cohort
Délai: 90 Days

All-cause mortality

90 Days
Pulmonary Embolism Cohort
Délai: 180 Days

All-cause mortality

180 Days

Collaborateurs et enquêteurs

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

Les enquêteurs

  • Chercheur principal: Steven Abramowitz, MD, Medstar Health Research Institute
  • Chercheur principal: Maya Serhal, MD, Massachusetts General Hospital

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 (Réel)

13 février 2026

Achèvement primaire (Estimé)

1 mars 2030

Achèvement de l'étude (Estimé)

1 septembre 2030

Dates d'inscription aux études

Première soumission

21 novembre 2025

Première soumission répondant aux critères de contrôle qualité

10 janvier 2026

Première publication (Réel)

20 janvier 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

22 octobre 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

20 octobre 2026

Dernière vérification

1 octobre 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

Oui

produit fabriqué et exporté des États-Unis.

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

S'abonner