Esta página foi traduzida automaticamente e a precisão da tradução não é garantida. Por favor, consulte o versão em inglês para um texto fonte.

Trombectomia por Aspiração Usando o Sistema Symphony ou Prodigy (CLEAR-IT)

20 de outubro de 2026 atualizado por: Imperative Care, Inc.

Avaliação Clínica a Longo Prazo da Trombectomia por Aspiração Utilizando o Sistema de Trombectomia 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.

Visão geral do estudo

Tipo de estudo

Observacional

Inscrição (Estimado)

750

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Contato de estudo

Locais de estudo

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

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

18 anos e mais velhos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Método de amostragem

Amostra Não Probabilística

População do estudo

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.

Descrição

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

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Modelos de observação: COHORT
  • Perspectivas de Tempo: PROSPECTIVE

Coortes e Intervenções

Grupo / Coorte
Intervenção / Tratamento
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

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Peripheral Arterial Cohort
Prazo: 30 days

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

30 days
Peripheral Venous Cohort
Prazo: 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
Prazo: 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

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Peripheral Arterial Cohort
Prazo: 90 Days

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

90 Days
Peripheral Arterial Cohort
Prazo: 180 Days

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

180 Days
Peripheral Arterial Cohort
Prazo: 30 Days

Major adverse cardiovascular events (MACE) rate

30 Days
Peripheral Arterial Cohort
Prazo: 90 Days

Major adverse cardiovascular events (MACE) rate

90 Days
Peripheral Arterial Cohort
Prazo: 180 Days

Major adverse cardiovascular events (MACE) rate

180 Days
Peripheral Arterial Cohort
Prazo: 30 Days

Target vessel patency assessed using change in ankle-brachial index

30 Days
Peripheral Arterial Cohort
Prazo: 90 Days

Target vessel patency assessed using change in ankle-brachial index

90 Days
Peripheral Arterial Cohort
Prazo: 180 Days

Target vessel patency assessed using change in ankle-brachial index

180 Days
Peripheral Arterial Cohort
Prazo: 30 Days

Target vessel patency assessed using change in Rutherford claudication grade

30 Days
Peripheral Arterial Cohort
Prazo: 90 Days

Target vessel patency assessed using change in Rutherford claudication grade

90 Days
Peripheral Arterial Cohort
Prazo: 180 Days

Target vessel patency assessed using change in Rutherford claudication grade

180 Days
Peripheral Arterial Cohort
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 90 Days

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

90 Days
Peripheral Arterial Cohort
Prazo: 180 Days

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

180 Days
Peripheral Arterial Cohort
Prazo: 30 Days

All-cause mortality

30 Days
Peripheral Arterial Cohort
Prazo: 90 Days

All-cause mortality

90 Days
Peripheral Arterial Cohort
Prazo: 180 Days

All-cause mortality

180 Days
Peripheral Venous Cohort
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 90 Days

Proportion of patients demonstrating decrease in Villalta score

90 Days
Peripheral Venous Cohort
Prazo: 180 Days

Proportion of patients demonstrating decrease in Villalta score

180 Days
Peripheral Venous Cohort
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 30 Days

All-cause mortality

30 Days
Peripheral Venous Cohort
Prazo: 90 Days

All-cause mortality

90 Days
Peripheral Venous Cohort
Prazo: 180 Days

All-cause mortality

180 Days
Pulmonary Embolism Cohort
Prazo: Intraprocedural

Change in pulmonary artery pressure

Intraprocedural
Pulmonary Embolism Cohort
Prazo: 48 hours

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

48 hours
Pulmonary Embolism Cohort
Prazo: 48 hours

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

48 hours
Pulmonary Embolism Cohort
Prazo: 30 Days

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

30 Days
Pulmonary Embolism Cohort
Prazo: 48 hours

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

48 hours
Pulmonary Embolism Cohort
Prazo: 30 Days

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

30 Days
Pulmonary Embolism Cohort
Prazo: 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
Prazo: 30 days

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

30 days
Pulmonary Embolism Cohort
Prazo: 90 Days

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

90 Days
Pulmonary Embolism Cohort
Prazo: 180 Days

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

180 Days
Pulmonary Embolism Cohort
Prazo: 30 Days

Pulmonary Embolism recurrence

30 Days
Pulmonary Embolism Cohort
Prazo: 90 Days

Pulmonary Embolism recurrence

90 Days
Pulmonary Embolism Cohort
Prazo: 180 Days

Pulmonary Embolism recurrence

180 Days
Pulmonary Embolism Cohort
Prazo: 30 Days

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

30 Days
Pulmonary Embolism Cohort
Prazo: 90 Days

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

90 Days
Pulmonary Embolism Cohort
Prazo: 180 Days

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

180 Days
Pulmonary Embolism Cohort
Prazo: 30 Days

All-cause mortality

30 Days
Pulmonary Embolism Cohort
Prazo: 90 Days

All-cause mortality

90 Days
Pulmonary Embolism Cohort
Prazo: 180 Days

All-cause mortality

180 Days

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Investigadores

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

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Real)

13 de fevereiro de 2026

Conclusão Primária (Estimado)

1 de março de 2030

Conclusão do estudo (Estimado)

1 de setembro de 2030

Datas de inscrição no estudo

Enviado pela primeira vez

21 de novembro de 2025

Enviado pela primeira vez que atendeu aos critérios de CQ

10 de janeiro de 2026

Primeira postagem (Real)

20 de janeiro de 2026

Atualizações de registro de estudo

Última Atualização Postada (Real)

22 de outubro de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

20 de outubro de 2026

Última verificação

1 de outubro de 2026

Mais Informações

Termos relacionados a este estudo

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

NÃO

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Sim

produto fabricado e exportado dos EUA

Não

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .

Se inscrever