Treatment of low-risk submassive pulmonary embolism using FlowTriever
Official title: Treatment of Low-Risk Submassive Pulmonary Embolism With FlowTriever: Efficacy and Safety
Run by Northwell Health · NCT05273762 · Data updated 2026-11-12
This study is testing if the FlowTriever device can safely treat people with low-risk submassive pulmonary embolism who are stable and have certain health markers.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 30 (estimated) |
| Sponsor | Northwell Health Academic / other |
| Locations | 2 sites (Mount Kisco, New York and 1 other locations) |
| Status | Recruiting |
| Started | January 25, 2022 |
| Main results expected | July 1, 2027 |
| Study ends | July 25, 2027 |
| Registry record updated | October 1, 2026 |
| Trial ID | NCT05273762 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults aged 18 and older with low-risk submassive pulmonary embolism and specific clinical indicators of right ventricular strain.
✕Probably not a fit
Patients with active severe COVID-19 infection or those unable to receive anticoagulation will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study investigates the efficacy and safety of the FlowTriever device for treating patients with low-risk submassive pulmonary embolism who are hemodynamically stable. Participants will be selected based on specific clinical criteria, including the presence of cardiac biomarkers or evidence of right ventricular strain. The treatment involves mechanical thrombectomy performed under conscious sedation. The goal is to assess how effectively this device can alleviate the condition while ensuring patient safety.
Why it matters
Potential benefit: If successful, this treatment could provide a less invasive option for managing low-risk submassive pulmonary embolism, potentially improving patient outcomes.
How similar studies have gone: Other studies have shown promise in using mechanical thrombectomy for pulmonary embolism, suggesting potential success for this approach.
Who can join: the full rules
Show full inclusion / exclusion criteria
INCLUSION CRITERIA I1. ≥ 18 years of age I2. Clinical signs and symptoms of low-risk Intermediate pulmonary embolism defined per 2019 ESC Guidelines: Only one of the following: * Presence of either RV strain or RV dilation on CT scan or Echo TTE * 4th generation Troponin T \> 0.01 ng/mL or 5th generation Troponin T \>14 ng/L Troponin I \> 51.4 ng/L (Northwell reference laboratory) I3. sPESI score 0 or \>1\* \*Signs of RV dysfunction on Echo TTE or CTPA or elevated cardiac biomarker levels may be present, despite a calculation of sPESI 0. I4. Echocardiogram, Computed Tomography Pulmonary Angiogram, or pulmonary angiographic evidence of proximal filing defect in at least one main, lobar, or segmental pulmonary artery with or without pulmonary infarction I5. Hemodynamically stable EXCLUSION CRITERIA E1. Patients with active and severe COVID-19 infection (e.g. using ventilator, requiring hemodynamic support) E2. Unable to anti-coagulate with heparin or alternative E3. Known sensitivity to radiographic contrast agents that cannot be pre-treated E4. Life expectancy \< 6 months E5. Current participation in another study that may interfere with the patient's participation in this study. E6. Inability to consent E7. Patient is pregnant or plans to become pregnant within the next 6 months and/or currently breastfeeding. E8. Subsegmental pulmonary embolism only
Where it's running
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Lenox Hill Hospital
New York, New York, United States Recruiting -
Northern Westchester Hospital
Mount Kisco, New York, United States Enrolling by invitation
Study contacts
- Study coordinator: Victoria Roselli, Clinical Research Coordinator
- Email: vroselli@northwell.edu
- Phone: 212-434-3695
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.