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Aspirationstrombektomi ved brug af Symphony- eller Prodigy-systemet (CLEAR-IT)

20. oktober 2026 opdateret af: Imperative Care, Inc.

Langtids Klinisk Evaluering af Aspirationstrombektomi ved Brug af Symphony eller ProdIgy Trombektomisystemet - 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.

Studieoversigt

Undersøgelsestype

Observationel

Tilmelding (Anslået)

750

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

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

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

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.

Beskrivelse

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

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Observationsmodeller: COHORT
  • Tidsperspektiver: PROSPECTIVE

Kohorter og interventioner

Gruppe / kohorte
Intervention / Behandling
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

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Peripheral Arterial Cohort
Tidsramme: 30 days

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

30 days
Peripheral Venous Cohort
Tidsramme: 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
Tidsramme: 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

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Peripheral Arterial Cohort
Tidsramme: 90 Days

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

90 Days
Peripheral Arterial Cohort
Tidsramme: 180 Days

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

180 Days
Peripheral Arterial Cohort
Tidsramme: 30 Days

Major adverse cardiovascular events (MACE) rate

30 Days
Peripheral Arterial Cohort
Tidsramme: 90 Days

Major adverse cardiovascular events (MACE) rate

90 Days
Peripheral Arterial Cohort
Tidsramme: 180 Days

Major adverse cardiovascular events (MACE) rate

180 Days
Peripheral Arterial Cohort
Tidsramme: 30 Days

Target vessel patency assessed using change in ankle-brachial index

30 Days
Peripheral Arterial Cohort
Tidsramme: 90 Days

Target vessel patency assessed using change in ankle-brachial index

90 Days
Peripheral Arterial Cohort
Tidsramme: 180 Days

Target vessel patency assessed using change in ankle-brachial index

180 Days
Peripheral Arterial Cohort
Tidsramme: 30 Days

Target vessel patency assessed using change in Rutherford claudication grade

30 Days
Peripheral Arterial Cohort
Tidsramme: 90 Days

Target vessel patency assessed using change in Rutherford claudication grade

90 Days
Peripheral Arterial Cohort
Tidsramme: 180 Days

Target vessel patency assessed using change in Rutherford claudication grade

180 Days
Peripheral Arterial Cohort
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 90 Days

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

90 Days
Peripheral Arterial Cohort
Tidsramme: 180 Days

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

180 Days
Peripheral Arterial Cohort
Tidsramme: 30 Days

All-cause mortality

30 Days
Peripheral Arterial Cohort
Tidsramme: 90 Days

All-cause mortality

90 Days
Peripheral Arterial Cohort
Tidsramme: 180 Days

All-cause mortality

180 Days
Peripheral Venous Cohort
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 90 Days

Proportion of patients demonstrating decrease in Villalta score

90 Days
Peripheral Venous Cohort
Tidsramme: 180 Days

Proportion of patients demonstrating decrease in Villalta score

180 Days
Peripheral Venous Cohort
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 30 Days

All-cause mortality

30 Days
Peripheral Venous Cohort
Tidsramme: 90 Days

All-cause mortality

90 Days
Peripheral Venous Cohort
Tidsramme: 180 Days

All-cause mortality

180 Days
Pulmonary Embolism Cohort
Tidsramme: Intraprocedural

Change in pulmonary artery pressure

Intraprocedural
Pulmonary Embolism Cohort
Tidsramme: 48 hours

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

48 hours
Pulmonary Embolism Cohort
Tidsramme: 48 hours

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

48 hours
Pulmonary Embolism Cohort
Tidsramme: 30 Days

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

30 Days
Pulmonary Embolism Cohort
Tidsramme: 48 hours

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

48 hours
Pulmonary Embolism Cohort
Tidsramme: 30 Days

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

30 Days
Pulmonary Embolism Cohort
Tidsramme: 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
Tidsramme: 30 days

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

30 days
Pulmonary Embolism Cohort
Tidsramme: 90 Days

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

90 Days
Pulmonary Embolism Cohort
Tidsramme: 180 Days

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

180 Days
Pulmonary Embolism Cohort
Tidsramme: 30 Days

Pulmonary Embolism recurrence

30 Days
Pulmonary Embolism Cohort
Tidsramme: 90 Days

Pulmonary Embolism recurrence

90 Days
Pulmonary Embolism Cohort
Tidsramme: 180 Days

Pulmonary Embolism recurrence

180 Days
Pulmonary Embolism Cohort
Tidsramme: 30 Days

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

30 Days
Pulmonary Embolism Cohort
Tidsramme: 90 Days

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

90 Days
Pulmonary Embolism Cohort
Tidsramme: 180 Days

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

180 Days
Pulmonary Embolism Cohort
Tidsramme: 30 Days

All-cause mortality

30 Days
Pulmonary Embolism Cohort
Tidsramme: 90 Days

All-cause mortality

90 Days
Pulmonary Embolism Cohort
Tidsramme: 180 Days

All-cause mortality

180 Days

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

  • Ledende efterforsker: Steven Abramowitz, MD, Medstar Health Research Institute
  • Ledende efterforsker: Maya Serhal, MD, Massachusetts General Hospital

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

13. februar 2026

Primær færdiggørelse (Anslået)

1. marts 2030

Studieafslutning (Anslået)

1. september 2030

Datoer for studieregistrering

Først indsendt

21. november 2025

Først indsendt, der opfyldte QC-kriterier

10. januar 2026

Først opslået (Faktiske)

20. januar 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

22. oktober 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

20. oktober 2026

Sidst verificeret

1. oktober 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

produkt fremstillet i og eksporteret fra U.S.A.

Ingen

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