New heart pump could help when diuretics fail in acute heart failure
NCT ID NCT05677100
First seen Jun 27, 2026 · Last updated Aug 26, 2026 · Updated 5 times
Summary
This study tests a device called Aortix, a small pump placed in the main artery, to help remove excess fluid in people hospitalized with acute heart failure who are not responding well to diuretic medications. About 320 participants will be randomly assigned to receive either the Aortix pump plus standard care or standard care alone. The goal is to see if the device improves fluid loss and reduces the risk of death or repeat hospitalizations.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Aortix System (a pump device placed in the aorta to help the heart and kidneys remove excess fluid)
- What this could lead to
- If successful, this device could offer a new option for heart failure patients who don't respond well to standard diuretics, potentially reducing hospital readmissions and improving fluid removal.
- What could go wrong
- This is an early-stage trial (no phase assigned) with 320 participants, so results may not apply to all patients. The device is invasive and carries risks like any implanted pump, including infection or device-related complications.
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.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 320 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2023
- Expected to finish
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Aug 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.
- Ages
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21 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 (Randomized Study): * Currently admitted to the hospital with a primary diagnosis of decompensated heart failure, irrespective of ejection fraction (EF); * Patients should be on maximally tolerated diuretic therapy and not diuresing sufficiently before being enrolled in DRAIN-HF. After being up-titrated on diuretics, patients should be followed for at least 24 hours on the higher of: i) furosemide 80 mg IV bid or equivalent or ii) IV furosemide or equivalent IV loop diuretic at a dose 2.5 x total daily home dose of furosemide equivalents in 2 divided doses, as tolerated, patient must have: Urine Output \<1,500mL in a 12-hour period OR a Net Fluid Loss ≤375mL in a 12-hour period. * Persistent signs and/or symptoms of congestion as evidenced by at least 2+ pitting edema, elevated jugular venous pressure \>12 cm water or ascites after treatment with IV diuretics per inclusion criterion 2.; * Age \>21 years and able to provide written informed consent; * Negative pregnancy test if patient is of child-bearing potential. Exclusion Criteria (Randomized Study): * Treatment with high dose IV inotropes within the last 48 hours prior to enrollment. High dose is defined as \>5 µg/kg/min dopamine OR \>5 µg/kg/min dobutamine OR \>0.375 µg/kg/min milrinone; * Active and ongoing hypotension with a systolic blood pressure \<90 mmHg lasting more than 30 minutes or a mean arterial pressure (MAP) \<60 mmHg lasting more than 30 minutes at enrollment; * Treatment with vasopressors (defined as phenylephrine, norepinephrine, epinephrine or, vasopressin) within 48 hours prior to enrollment; * An estimated PASP of \>80 mmHg as measured on echocardiogram or echocardiographic evidence of primarily right heart failure; * Acute kidney failure defined as an increase in serum creatinine to ≥4.0mg/dL (≥353.6 µmol/L) at enrollment; * Evidence of contrast induced nephropathy, nephritis or nephrotic syndrome; * Prior kidney transplant, single kidney, partial nephrectomy OR use of dialysis, continuous renal replacement therapy (CRRT) or ultrafiltration in the last 90 days prior to enrollment; * Confirmed decompensated cirrhosis (defined as Child Pugh class B or C) or concern for shock liver (AST \> 1000U/L or total Bilirubin \> 5.0mg/dl) at enrollment; * Presence of an active, uncontrolled infection that would preclude safe placement or removal of the device; * Prior heart transplant or likely heart transplantation before the 30- day follow-up visit; * Current or previous support with a durable LVAD at any time or planned LVAD insertion before the 30-day follow-up visit; * Use of an intra-aortic balloon pump (IABP), extracorporeal membrane oxygenation (ECMO), or percutaneous ventricular assist devices (e.g. Impella or TandemHeart) within the last 30 days; * Confirmed diagnosis of AL amyloidosis; * Acute myocardial infarction Type 1 within 30 days of enrollment, or planned coronary revascularization in the next 30 days; * Stroke within 30 days of enrollment; * Severe Bleeding Risk (any of the following): 1. Previous intracranial bleed unless there is documentation in the medical record (from a physician that is not part of the study) that the patient can safely use anticoagulation for 7 days, 2. GI bleeding within 6 months requiring hospitalization and/or transfusion, 3. Recent major surgery within 30 days if the surgical wound is judged to be associated with an increased risk of bleeding, 4. Procedure with arterial ilio-femoral access \> 6 FR within 30 days, 5. Platelet count \<75,000 cells/mm3, 6. Uncorrectable bleeding diathesis or coagulopathy (e.g. INR ≥2 not due to anticoagulation therapy) or hypercoaguable state including HIT; 7. Inability to tolerate anticoagulation therapy for up to 7 days. * Contraindicated Anatomy : 1. Descending aortic anatomy that would prevent safe placement of the device \[\<18 mm or \>31 mm aorta diameter at deployment location (measured between the superior aspect of the T10 vertebra and superior aspect of the L1 vertebra)\], 2. Ilio-femoral diameter or peripheral vascular anatomy that would preclude safe placement of a 21F (outer diameter) introducer sheath, 3. Femoral artery depth inconsistent with use of closure device, 4. Abnormalities or severe vascular disease that would preclude safe access and device delivery (e.g. aneurysm with thrombus, marked tortuosity, significant narrowing or inadequate size of the abdominal aorta, iliac or femoral arteries, or severe calcification), 5. Known connective tissue disorder (e.g. Marfan Syndrome) or other aortopathy at risk of vascular injury, 6. Any endovascular stent graft in the descending aorta. Any endovascular stent graft in the femoro-iliac vessels that is not well endothelialized and would preclude safe introduction/removal of the Aortix pump as demonstrated by imaging. * Known hypersensitivity or contraindication to study or procedure medications (e.g. anticoagulation therapy) or device materials (e.g. history of severe reaction to nickel or nitinol); * Participation in any other clinical investigation that is likely to confound study results or affect the study; * Poor health such that the patient is unable to undergo the Aortix device placement/retrieval and/or unlikely to be able to survive to the 30-day visit; * Unable or unwilling to undergo screening (imaging, PA Catheter placement), device implant and retrieval procedures or return for 30-day visit. Inclusion Criteria (Advanced Heart Failure Registry): * Currently admitted to the hospital with a primary diagnosis of decompensated HF, irrespective of ejection fraction (EF). * Patient has already been evaluated and indicated to receive an LVAD or heart transplant and will receive the LVAD or be listed for heart transplantation in the next 30 days if their congestion status and renal function improves. * Patient must have been treated with ≥ 80 mg IV furosemide bid or equivalent and have evidence of increasing diuretic dosing requirements over the past 12 months, as tolerated. * Must have evidence of refractoriness to medical management as documented by persistent signs and/or symptoms of congestion as evidenced by at least 2+ pitting edema, elevated jugular venous pressure \>12 cm water, or ascites after treatment with IV diuretics for a minimum of 24 hours. * Serum creatinine ≥ 2.0 mg/dL AND eGFR ≤ 45 ml/min/1.73m2 at time of enrollment * Age ≥ 21 years and able to provide written informed consent. * Negative pregnancy test if patient is of childbearing potential. Exclusion Criteria (Advanced Heart Failure Registry): * Treatment with high dose IV inotropes within 48 hours prior to enrollment. High dose is defined as any one of the following: \>5 µg/kg/min dopamine OR \>5 µg/kg/min dobutamine OR \>0.375 µg/kg/min milrinone. * Active and ongoing hypotension with a systolic blood pressure \<80 mmHg lasting more than 30 minutes or a mean arterial pressure (MAP) \<55 mmHg lasting more than 30 minutes at enrollment. * Treatment with vasopressors (defined as phenylephrine, norepinephrine, epinephrine or, vasopressin) within 48 hours prior to enrollment. * An estimated PASP of \>80 mmHg as measured on echocardiogram or echocardiographic evidence of primarily right heart failure. * Acute kidney failure defined as an increase in serum creatinine to ≥ 4.0mg/dL at enrollment. * Evidence of contrast-induced nephropathy, nephritis, or nephrotic syndrome. * Prior kidney transplant, single kidney, partial nephrectomy OR use of dialysis, continuous renal replacement therapy (CRRT), or ultrafiltration in the last 90 days prior to enrollment. * Confirmed decompensated cirrhosis (defined as Child Pugh class B or C) or concern for shock liver (AST \> 1000U/L or total Bilirubin \> 5.0mg/dl) at enrollment. * Presence of an active, uncontrolled infection that would preclude safe placement or removal of the device. * Current or previous support with a durable LVAD. * INTERMACS Profile 1 at enrollment. * Currently on mechanical ventilatory support. * Use of an extracorporeal membrane oxygenation (ECMO) or percutaneous ventricular assist device (e.g., Impella or TandemHeart) within the last 30 days. * Confirmed diagnosis of AL amyloidosis. * Acute myocardial infarction Type 1 within 30 days of enrollment or planned coronary revascularization in the next 30 days. * Stroke within 30 days of enrollment. * Severe Bleeding Risk (any of the following): * Previous intracranial bleed unless there is documentation in the medical record (from a physician that is not part of the study) that the patient can safely use anticoagulation for 7 days. * GI bleeding within 6 months requiring hospitalization and/or transfusion. * Recent major surgery within 30 days if the surgical wound is judged to be associated with an increased risk of bleeding. * Procedure with arterial ilio-femoral access \> 6 Fr within 30 days. * Platelet count \<75,000 cells/mm3 . * Uncorrectable bleeding diathesis or coagulopathy (e.g., INR≥ 2 not due to anticoagulation therapy) or hypercoagulable state including HIT. * Inability to tolerate anticoagulation therapy for up to 7 days. * Contraindicated Anatomy : * Descending aortic anatomy that would prevent safe placement of the device \[\<18 mm or \>31 mm aorta diameter at deployment location (measured between the superior aspect of the T10 vertebra and superior aspect of the L1 vertebra)\]. * Ilio-femoral diameter or peripheral vascular anatomy that would preclude safe placement of a 21 Fr (outer diameter) introducer sheath. * Femoral artery depth inconsistent with use of closure device. * Abnormalities or severe vascular disease that would preclude safe access and device delivery (e.g., aneurysm with thrombus; marked tortuosity; significant narrowing or inadequate size of the abdominal aorta, iliac, or femoral arteries; or severe calcification). * Known connective tissue disorder (e.g., Marfan Syndrome) or other aortopathy at risk of vascular injury. * Any endovascular stent graft in the descending aorta. Any endovascular stent graft in the femoro-iliac vessels that is not well endothelialized and would preclude safe introduction/removal of the Aortix pump as demonstrated by imaging. * Known hypersensitivity or contraindication to study or procedure medications (e.g., anticoagulation therapy) or device materials (e.g., history of severe reaction to nickel or nitinol). * Participation in any other clinical investigation that is likely to confound study results or affect the study. * Poor health such that the patient is unable to undergo the Aortix device placement/retrieval and/or unlikely to be able to survive to the 30-day visit. * Unable or unwilling to undergo screening, device implant and retrieval procedures, or return for 30-day visit.
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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
33 sites in 2 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 Tampa
RECRUITINGTampa, Florida, 33613, United States
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Advocate Aurora - Good Samaritan
TERMINATEDDowners Grove, Illinois, 60515, United States
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Advocate IMMC
RECRUITINGChicago, Illinois, 60657, United States
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AnMed Health
RECRUITINGAnderson, South Carolina, 29621, United States
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Ascenscion Alexian Brothers
RECRUITINGElk Grove Village, Illinois, 60007, United States
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Ascension Sacred Heart
WITHDRAWNPensacola, Florida, 32504, United States
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Ascension via Christi Kansas
TERMINATEDWichita, Kansas, 67226, United States
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Atrium Health Sanger Heart and Vascular Institute
RECRUITINGCharlotte, North Carolina, 28204, United States
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Banner--University Medical Center Phoenix
RECRUITINGPhoenix, Arizona, 85006, United States
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BayCare Medical/St. Joseph's Hospital
RECRUITINGTampa, Florida, 33607, United States
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Baylor Scott & White
WITHDRAWNFort Worth, Texas, 76104, United States
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Baylor Scott & White
WITHDRAWNPlano, Texas, 75093, United States
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Broward Health
RECRUITINGFort Lauderdale, Florida, 33316, United States
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Cleveland Clinic Florida
RECRUITINGWeston, Florida, 33331, United States
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Duke University Medical Center
ACTIVE_NOT_RECRUITINGDurham, North Carolina, 27710, United States
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Emory University Hospital
RECRUITINGAtlanta, Georgia, 30308, United States
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Hackensack University Medical Center
RECRUITINGHackensack, New Jersey, 07601, United States
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Henry Ford
RECRUITINGDetroit, Michigan, 48202, United States
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HonorHealth Medical Center
TERMINATEDScottsdale, Arizona, 85258, United States
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Intermountain Health
WITHDRAWNMurray, Utah, 84107, United States
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Jefferson Abington Hospital
RECRUITINGAbington, Pennsylvania, 19001, United States
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Jersey Shore University Medical Center
RECRUITINGNeptune City, New Jersey, 07753, United States
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John Muir Health
RECRUITINGConcord, California, 94520, United States
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Mayo Clinic - Arizona
RECRUITINGPhoenix, Arizona, 85054, United States
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Mount Sinai Morningside
RECRUITINGNew York, New York, 10025, United States
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New York Presbyterian - Brooklyn Methodist Hospital
RECRUITINGBrooklyn, New York, 11215, United States
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Northwell Health (Lenox Hill)
TERMINATEDNew York, New York, 10075, United States
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Northwell Health (Staten Island)
RECRUITINGStaten Island, New York, 10305, United States
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Novant Health New Hanover Regional Medical Center
WITHDRAWNWilmington, North Carolina, 28401, United States
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Nuvance Health
RECRUITINGPoughkeepsie, New York, 12601, United States
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Nyph/Cumc
RECRUITINGNew York, New York, 10032, United States
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Oklahoma Cardiovascular Research Group
RECRUITINGOklahoma City, Oklahoma, 73120, United States
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Oregon Health & Sciences University
ACTIVE_NOT_RECRUITINGPortland, Oregon, 97239, United States
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Penn Presbyterian Medical Center
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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Piedmont Healthcare Inc.
RECRUITINGAugusta, Georgia, 30309, United States
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San Francisco Veterans Administration
TERMINATEDSan Francisco, California, 94121, United States
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Semmelweis University
RECRUITINGBudapest, Hungary
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Tallahassee Research Institute
TERMINATEDTallahassee, Florida, 32308, United States
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Texas Heart Institute
RECRUITINGHouston, Texas, 77030, United States
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The Ohio State University
RECRUITINGColumbus, Ohio, 43210, United States
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Thomas Jefferson University Hospital
WITHDRAWNPhiladelphia, Pennsylvania, 19107, United States
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University of California San Francisco
RECRUITINGSan Francisco, California, 94143, United States
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University of Chicago
RECRUITINGChicago, Illinois, 60637, United States
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University of Michigan, Cardiovascular Medicine
WITHDRAWNAnn Arbor, Michigan, 48109, United States
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University of Mississippi Medical Center
RECRUITINGJackson, Mississippi, 39216, United States
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University of South Florida
RECRUITINGTampa, Florida, 33606, United States
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University of Virginia
TERMINATEDCharlottesville, Virginia, 22908, United States
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Virginia Commonwealth University
RECRUITINGRichmond, Virginia, 23219, United States
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Wellstar Research Institue
TERMINATEDMarietta, Georgia, 30060, United States
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Zuckerberg San Francisco General
RECRUITINGSan Francisco, California, 94110, United States
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