New device aims to suck out deadly lung clots in major trial
NCT ID NCT04798261
First seen Jun 27, 2026 · Last updated Jul 07, 2026 · Updated 2 times
Summary
This study is testing a device called the Indigo Aspiration System to remove blood clots from the lungs in people with a pulmonary embolism. The goal is to see if it is safe and helps patients recover better in the long run. About 1500 adults with recent clots will take part.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 1,500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2021
- Expected to finish
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Feb 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients with acute pulmonary embolism
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Clinical signs and symptoms consistent with acute PE with duration of 14 days or less 2. RV/LV ratio ≥ 0.9 assessed by diagnostic computed tomographic angiography (CTA) or echocardiogram 3. Frontline endovascular treatment with the Indigo Aspiration System per IFU 4. Patient is ≥ 18 years of age 5. Informed consent obtained per Institutional Review Board/Ethics Committee requirements Exclusion Criteria: 1. Contraindication to systemic or therapeutic doses of anticoagulants (e.g. heparin) 2. Stage IV (metastatic) cancer, active lung cancer or previous history of surgery in the affected lung(s) or chest radiation 3. Known serious, uncontrolled sensitivity to radiographic agents 4. Life expectancy \< 180 days 5. Patients on ECMO 6. Pregnant patients 7. Current participation in another investigational drug or device study that may confound the results of this study. Studies requiring extended follow-up for products that were investigational but have since become commercially available are not considered investigational studies 8. Other medical, social, or psychological conditions that, in the opinion of the Investigator, precludes the patient from appropriate consent, could limit the patient's ability to participate in the study, including compliance with follow-up requirements, or that could impact the scientific integrity of the study
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Get notified about this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
75 sites in 12 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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AdventHealth Orlando
RECRUITINGOrlando, Florida, 32803, United States
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Ascension St. John Hospital
RECRUITINGDetroit, Michigan, 48236, United States
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Baptist Health Miami Cardiac and Vascular Institute
RECRUITINGMiami, Florida, 33176, United States
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Bellevue Hospital Center
RECRUITINGNew York, New York, 10016, United States
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Blake Medical Center/Nova Clinical Research
RECRUITINGBrandenton, Florida, 34209, United States
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Cedars-Sinai Medical Center
RECRUITINGLos Angeles, California, 90048, United States
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Charlton Memorial Hospital
RECRUITINGFall River, Massachusetts, 02720, United States
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Christ Hospital
COMPLETEDCincinnati, Ohio, 45219, United States
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Christiana Care Hospital
RECRUITINGNewark, Delaware, 19718, United States
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Christus Mother Frances Hospital
RECRUITINGTyler, Texas, 75701, United States
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Columbia University Medical Center/NYPH
RECRUITINGNew York, New York, 10032, United States
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Cooper Health System
RECRUITINGCamden, New Jersey, 08103, United States
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Delray Medical Center, Inc.
RECRUITINGDelray Beach, Florida, 33484, United States
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Europejskie Centrum Zdrowia Otwock
RECRUITINGOtwock, 05-400, Poland
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Flinders Medical Centre
RECRUITINGBedford Park, South Australia, 5043, Australia
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GRN-Klinik Weinheim
COMPLETEDWeinheim, 69469, Germany
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Glenbrook Hospital
RECRUITINGGlenview, Illinois, 60026, United States
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HCA Florida Northside Hospital
RECRUITINGPetersburg, Florida, 33709, United States
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Hillcrest Medical Center
RECRUITINGTulsa, Oklahoma, 74104, United States
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Hospital Clínico Universitario Lozano Blesa
RECRUITINGZaragoza, 50009, Spain
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Hospital Santa Lucia Sul
RECRUITINGBrasília, 70390-700, Brazil
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Hospital Universitario Virgen de la Nieves
RECRUITINGGranada, 18014, Spain
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Hospital de Santa Cruz
RECRUITINGCarnaxide, 2790-134, Portugal
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Houston Methodist The Woodlands Hospital
RECRUITINGThe Woodlands, Texas, 77385, United States
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INTEGRIS Baptist Medical Center
RECRUITINGOklahoma City, Oklahoma, 73112, United States
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Inselspital, Universitätsspital Bern
RECRUITINGBern, CH-3010, Switzerland
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Jackson Memorial Hospital
RECRUITINGMiami, Florida, 33136, United States
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Jackson-Madison County General Hospital
RECRUITINGJackson, Tennessee, 38301, United States
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KUMC
COMPLETEDKansas City, Kansas, 66160, United States
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Kettering Medical Center
RECRUITINGKettering, Ohio, 45429, United States
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Krakowski Szpital Specjalistyczny św. Jana Pawła II
RECRUITINGKrakow, 31-202, Poland
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LSU Health Sciences Center
RECRUITINGShreveport, Louisiana, 71103, United States
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Leids Universitair Medisch Centrum
RECRUITINGLeiden, 2333 ZA, Netherlands
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Long Beach Medical Center
RECRUITINGLong Beach, California, 90806, United States
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Lovelace Health System
RECRUITINGAlbuquerque, New Mexico, 87102, United States
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Loyola University Medical Center
RECRUITINGMaywood, Illinois, 600153, United States
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Manatee Memorial Hospital
RECRUITINGBradenton, Florida, 34205, United States
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Massachusetts General Hospital
RECRUITINGBoston, Massachusetts, 02114, United States
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MedStar Washington Hospital Center
RECRUITINGWashington D.C., District of Columbia, 20010, United States
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MedUni Graz-Univ.-Klinikum Graz
RECRUITINGGraz, 8036, Austria
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Medical College of Wisconsin
RECRUITINGMilwaukee, Wisconsin, 53226, United States
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Memorial Hospital Belleville
RECRUITINGBelleville, Illinois, 62226, United States
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Mercy Hospital South
RECRUITINGSt Louis, Missouri, 63128, United States
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Methodist Hospital Metropolitan
RECRUITINGSan Antonio, Texas, 78112, United States
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Miriam Hospital
RECRUITINGProvidence, Rhode Island, 02903, United States
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Mount Carmel East
RECRUITINGColumbus, Ohio, 43213, United States
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Mount Sinai Hospital
RECRUITINGNew York, New York, 10029, United States
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NC Heart and Vascular Research
RECRUITINGRaleigh, North Carolina, 27607, United States
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Ospedale Misericordia
RECRUITINGGrosseto, 58100, Italy
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Ospedale San Giovanni Bosco
RECRUITINGTorino, 10154, Italy
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Penn State Health Milton S. Hershey Medical Center
RECRUITINGHershey, Pennsylvania, 17033, United States
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ProMedica Toledo Hospital
RECRUITINGToledo, Ohio, 43606, United States
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Radiology and Imaging Specialists
RECRUITINGLakeland, Florida, 33805, United States
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Royal Free Hospital
RECRUITINGLondon, NW3 2QG, United Kingdom
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Royal Sussex County Hospital
RECRUITINGBrighton, Sussex, BN2 5BE, United Kingdom
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SUNY Upstate Medical University
RECRUITINGSyracuse, New York, 13210, United States
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Sentara Norfolk General
RECRUITINGNorfolk, Virginia, 23507, United States
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Sharp Memorial Hospital
RECRUITINGSan Diego, California, 92123, United States
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St. Francis Hospital and Heart Center
RECRUITINGRoslyn, New York, 11576, United States
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St. Joseph Hospital - BayCare
RECRUITINGTampa, Florida, 33614, United States
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Staten Island University Hospital
RECRUITINGStaten Island, New York, 10305, United States
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Tampa General Hospital
RECRUITINGTampa, Florida, 33606, United States
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Temple University Hospital
RECRUITINGPhiladelphia, Pennsylvania, 19140, United States
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TriHealth Good Samaritan Hospital
RECRUITINGCincinnati, Ohio, 45220, United States
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Turkey Creek Medical Center
RECRUITINGKnoxville, Tennessee, 37934, United States
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UC Irvine Medical Center
RECRUITINGOrange, California, 92868, United States
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UCLA Medical Center
RECRUITINGLos Angeles, California, 90095, United States
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UCSD Jacobs
RECRUITINGSan Diego, California, 92037, United States
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UPMC Harrisburg
RECRUITINGHarrisburg, Pennsylvania, 17101, United States
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Universitaetsmedizin Mainz
RECRUITINGMainz, 55131, Germany
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University Hospital Augusta
RECRUITINGAugusta, Georgia, 30901, United States
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University Hospital of Wales
RECRUITINGCardiff, Wales, CF14 4XW, United Kingdom
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University of Florida Shands Hospital
RECRUITINGGainesville, Florida, 32608, United States
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University of Minnesota
COMPLETEDMinneapolis, Minnesota, 55455, United States
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University of Mississippi Medical Center
RECRUITINGJackson, Mississippi, 39216, United States
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Universitätsmedizin Mannheim
RECRUITINGMannheim, Baden-Wurttemberg, 68167, Germany
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Uniwersytecki Szpital Kliniczny w Poznaniu
RECRUITINGPoznan, 61-848, Poland
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Uniwersyteckie Centrum Kliniczne Warszawskiego Uniwersytetu Medycznego
RECRUITINGWarsaw, 02-005, Poland
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Westmead Hospital
RECRUITINGWestmead, New South Wales, 2145, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can electronic alerts and patient teaching stop deadly clots after cancer surgery?
- Can a new Five-Category system predict which pulmonary embolism patients will crash?
- A new exercise plan aims to get pulmonary embolism survivors back on their feet
- Spotting hidden blood clots in scarred lungs: a study hunts for clues
- Decades-Long study of 121,700 nurses aims to uncover hidden heart disease triggers
- Massive chest pain registry reveals gaps between guidelines and real-world care in china