Selective Pulmonary-artery Intervention to Reduce Acute Right-heart tEnsion-II (SPIRARE II)

April 2, 2026 updated by: Jupiter Endovascular
This study is a prospective, single-arm, multicenter study to evaluate the safety and effectiveness of the Vertex Pulmonary Embolectomy System in participants presenting with clinical signs and symptoms of acute pulmonary embolism.

Study Overview

Status

Completed

Conditions

Detailed Description

The study is a prospective, single-arm, multicenter study to evaluate the safety and effectiveness of the Vertex Pulmonary Embolectomy System in participants presenting with clinical signs and symptoms of acute pulmonary embolism.

The Vertex Pulmonary Embolectomy System is intended for the non-surgical removal of emboli and thrombi from blood vessels as a means for treating pulmonary embolism.

Study Type

Interventional

Enrollment (Actual)

123

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Vienna, Austria
        • Medical University of Vienna
      • Krakow, Poland
        • St. John Paul II Hospital
      • Otwock, Poland, 05-400
        • European Health Center Otwock
      • Warsaw, Poland
        • Medical University of Warsaw
      • Basel, Switzerland, 4031
        • University Hospital Basel
    • Connecticut
      • Hartford, Connecticut, United States, 06102
        • Hartford Hospital
    • Florida
      • Pensacola, Florida, United States, 32504
        • Ascension Sacred Heart
    • Georgia
      • Atlanta, Georgia, United States, 30322
        • Emory University
    • Michigan
      • Detroit, Michigan, United States, 48202
        • Henry Ford Hospital
      • Detroit, Michigan, United States, 48236
        • Henry Ford St John
    • New York
      • New York, New York, United States, 10016
        • NYU Langone Health
      • Staten Island, New York, United States, 10305
        • Northwell Health
      • Valhalla, New York, United States, 10595
        • Westchester Medical Center
    • North Carolina
      • Chapel Hill, North Carolina, United States, 27517
        • University of North Carolina
      • Durham, North Carolina, United States, 27705
        • Duke University
      • Winston-Salem, North Carolina, United States, 27157
        • Wake Forest Medical Center
    • Pennsylvania
      • Philadelphia, Pennsylvania, United States, 19104
        • Penn Presbyterian
      • Pittsburgh, Pennsylvania, United States, 15213
        • UPMC Presbyterian
      • Pittsburgh, Pennsylvania, United States, 15243
        • St Clair Health
    • South Carolina
      • Charleston, South Carolina, United States, 29425
        • MUSC
    • Tennessee
      • Knoxville, Tennessee, United States, 37934
        • Turkey Creek Medical Center
    • Texas
      • Plano, Texas, United States, 75024
        • Baylor Scott & White
    • Virginia
      • Roanoke, Virginia, United States, 24014
        • Carilion

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria

  1. . Age ≥ 18 years < 80 years
  2. Acute onset of symptoms < 14 days consistent with the presence of pulmonary embolism.
  3. CTA evidence (site determined) of proximal PE (filling defect in at least one main or interlobar pulmonary artery)
  4. RV/LV ratio of > 0.9 on CTA as assessed by investigator (site determined).
  5. Systolic blood pressure ≥ 90 mmHg (initial SBP may be ≥ 80 mmHg if the pressure recovers to ≥ 90 mmHg with fluids)
  6. Subject or subject's legally authorized representative (LAR) - applicable for US is willing and able to provide written informed consent prior to receiving any non-standard of care Clinical Investigation Plan-specific procedures
  7. Subject is willing and able to comply with all Clinical Investigation Plan required follow-up visits

Exclusion Criteria

  1. Thrombolytic use within 30 days of baseline CTA
  2. Pulmonary hypertension with peak pulmonary artery pressure > 70 mmHg by right heart catheterization (site determined)
  3. Vasopressor requirement after fluids to keep pressure ≥ 90 mmHg
  4. Unstable heart rate > 130 beats per minute prior to procedure
  5. FiO2 requirement > 40% or > 6 LPM to keep oxygen saturation > 90%
  6. Hematocrit < 28%
  7. Platelets < 100,000/μL
  8. Serum baseline creatinine > 1.8 mg/dL
  9. International normalized ratio (INR) > 3
  10. Major trauma injury severity score (ISS) > 15 within the past 14 days
  11. Presence of intracardiac lead in the right ventricle or right atrium placed <180 days prior to the index procedure
  12. Cardiovascular or pulmonary surgery within last 30 days
  13. Actively progressing cancer requiring chemotherapy
  14. Known bleeding diathesis or coagulation disorder
  15. Left bundle branch block
  16. History of severe or chronic pulmonary arterial hypertension
  17. History of chronic left heart disease with left ventricular ejection fraction ≤ 30%
  18. History of decompensated heart failure
  19. Patients on extracorporeal membrane oxygenation (ECMO)
  20. History of underlying lung disease that is oxygen dependent
  21. History of chest irradiation
  22. History of heparin-induced thrombocytopenia (HIT)
  23. Contraindication to systemic or therapeutic doses of heparin or anticoagulants
  24. Known anaphylactic reaction to radiographic contrast agents that cannot be pretreated
  25. Imaging evidence or other evidence that suggests, in the opinion of the Investigator, the Subject is not appropriate for mechanical thrombectomy intervention
  26. Life expectancy of < 365 days, as determined by Investigator
  27. Female who is pregnant or nursing
  28. Current participation in another investigational drug or device treatment study
  29. Inability to lay flat for procedure
  30. Known presence of right-to-left cardiac shunt
  31. History of Hemorrhagic or Ischemic Stroke, including Transient Ischemic Attack, within last 90 days
  32. Current or history of chronic thromboembolic pulmonary hypertension (CTEPH) or chronic thromboembolic disease (CTED) diagnosis

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Vertex Pulmonary Embolectomy System
Patients presenting with clinical signs and symptoms of acute PE and who meet the study criteria will be treated with the Vertex Pulmonary Embolectomy System
Use of Vertex Pulmonary Embolectomy System to treat pulmonary embolism.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Reduction in Right ventricle (RV) / Left Ventricle (LV) ratio
Time Frame: From baseline to 48 hours or discharge
Reduction in RV/LV ratio from baseline to 48 hours or discharge by (core lab assessed) CT angiography
From baseline to 48 hours or discharge
Major Adverse Events, a composite of:
Time Frame: Within 48 hours of the procedure

Device-related death within 48 hours of the procedure Major bleeding within 48 hours of the procedure

Device-related AEs within 48 hours, including:

  • Clinical deterioration
  • Pulmonary vascular injury
  • Cardiac injury
Within 48 hours of the procedure

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Study Director: Aadi Chachad, Sponsor GmbH

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 15, 2024

Primary Completion (Actual)

February 4, 2026

Study Completion (Actual)

March 3, 2026

Study Registration Dates

First Submitted

April 18, 2024

First Submitted That Met QC Criteria

August 26, 2024

First Posted (Actual)

August 28, 2024

Study Record Updates

Last Update Posted (Actual)

April 6, 2026

Last Update Submitted That Met QC Criteria

April 2, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

Yes

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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