What this study is
The investigation is intended to evaluate the safety and effectiveness of the AlphaReturn Blood Management System when used in conjunction with the cleared AlphaVac MMA F1885 System for the treatment of acute pulmonary embolism.
What's being tested
- AlphaReturn Blood Management System
Intervention · DEVICE
The AlphaReturn Blood Management System allows for autologous injection of aspirated blood from an AlphaVac MMA System thrombectomy procedure.
Study details
- Official title
- Acute Pulmonary Embolism Treatment With the AlphaVac Multipurpose Mechanical Aspiration System and the AlphaReturn Blood Management System: Evaluation of Safety and Effectiveness (APEX-Return)
- Sponsor
- Angiodynamics, Inc.
- Conditions
- Pulmonary Embolism Acute
- Enrolling
- 39 people
- Starts
- 2026-03-30
- Est. completion
- 2026-12
- Design
- Open-label, single group
- Record
- View on ClinicalTrials.gov ↗
Who can join
Age 18 Years and overSex ALLHealthy volunteers Not acceptedYou may qualify if
- Provision of signed and dated informed consent form.
- Subject is 18 years of age and older.
- Subject presents clinical signs and symptoms consistent with acute intermediate-risk pulmonary embolism for less than or equal to 14 days.
- Subject has a diagnosis of pulmonary embolism detected from computed tomography angiography (CTA).
- Subject has a RV/LV ratio of 0.9 or higher.
- Subject has a systolic blood pressure (SBP) of 90mmHg or higher.
- Subject has a heart rate of 130 beats per minute (BPM) or less prior to the procedure.
- Subject is deemed medically eligible for interventional procedure(s) per institutional guidelines and/or clinical judgment.
You can't join if
- Subjects who are or may be pregnant as determined by a positive pregnancy test or who are breastfeeding.
- Subjects who have any contraindication to systemic or therapeutic doses of heparin or anticoagulants.
- Subjects who have used thrombolytics in the 30 days prior to the baseline CTA.
- Subjects who have pulmonary hypertension with peak pulmonary artery pressure (PAP) > 70 mmHg.
- Subjects who have FiO2 requirement > 44% or > 6 LPM to keep oxygen saturations > 90%.
- Subjects with hematocrit < 28% within 6 hours of index procedure.
- Subjects with platelets count < 100,000/μL.
- Subjects with serum creatinine > 1.8 mg/dL.
- Subjects with International Normalized Ratio (INR) > 3.
- Subjects who have undergone a major trauma within the past 14 days of the index procedure and have Injury Severity Score (ISS) > 15.
- Subjects with the presence of cancer requiring active chemotherapy.
- Subjects with known bleeding diathesis or coagulation disorder.
- Subjects who have had a cardiovascular or pulmonary surgery within the past 7 days of index procedure.
- Subjects with a history of severe or chronic pulmonary hypertension, uncompensated heart failure, chest irradiation, underlying lung disease that is oxygen dependent, heparin-induced thrombocytopenia (HIT) and/or chronic left heart disease with left ventricular ejection fraction ≤ 30%.
- Subjects with known anaphylactic reaction to radiographic contrast agents that cannot be pretreated.
- Subject requires vasopressor after fluids to keep pressure ≥ 90mmHg.
- Subjects with left bundle branch block.
- Subjects who have intracardiac lead in the right ventricle or atrium.
- Evidence such as imaging or other that suggest the subject is not appropriate for this procedure.
- Subjects that have life expectancy < 90 days, in the opinion of the investigator at the time of enrollment.
- Subjects dependent on extracorporeal life support such as extracorporeal membrane oxygenation (ECMO).
- Participation in another investigational study.
Sign in and we'll check these against your records.Full criteria on ClinicalTrials.gov ↗
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Study locations (6)
6 openCentraCare Heart and Vascular Center
Saint Cloud, Minnesota, United States
- Kelly Kobylinski · Contact320-251-2700 ext. 58316kelly.kobylinski@centracare.com
- Brian Stegman, MD · Principal investigator
RecruitingUniversity at Buffalo
Buffalo, New York, United States
- Monica Nowak · Contact716-888-4712monicano@buffalo.edu
- David Zlotnick, MD · Principal investigator
RecruitingJacobi Medical Center
The Bronx, New York, United States
- Cidney Schultz · Contact718-918-6212Cidney.Schultz@nychhc.org
- Seth Sokol, MD · Principal investigator
RecruitingKettering Health
Kettering, Ohio, United States
- Chris Seger · Contact937-395-8365chris.seger@ketteringhealth.org
- Ammar Safar, MD · Principal investigator
RecruitingBaylor Heart Hospital Plano
Plano, Texas, United States
- Christopher Quiocho · Contact469-814-4735 ext. 44-4735Christopher.Quiocho@BSWHealth.org
- Sameh Sayfo, MD · Principal investigator
RecruitingMethodist Healthcare
San Antonio, Texas, United States
- Susana Mondaca · Contact210-575-9766Susana.MondacaBolanos@hcahealthcare.com
- Chandra Kunavarapu, MD · Principal investigator
Recruiting
Study team
Sponsor
Angiodynamics, Inc.
Study ID 2025-CAR-03
Frequently asked questions
The sponsor hasn't published answers to common questions for this trial.