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Heart Failure (for Example, Fluid Overload)REVERSE-HFNCT05318105

Ultrafiltration Versus IV Diuretics in Worsening Heart Failure

A study testing Aquadex Smartflow® System and IV Loop Diuretics in people with Heart Failure (for Example, Fluid Overload) and Heart Failure, run by Nuwellis, Inc. at 15 sites in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The REVERSE-HF study is a randomized controlled trial to evaluate clinical outcomes of adjustable ultrafiltration with the Aquadex System as compared to adjustable IV loop diuretics in patients with worsening heart failure (HF) and fluid overload. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Aquadex Smartflow® System and IV Loop Diuretics
Could I receive a placebo?
No, everyone receives an active treatment
How many people
167 participants
Where
15 sitesUnited States
Study dates
28 Jun 2022to 7 Apr 2026
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • 18 years or older
  • Man, or non-pregnant woman
  • Admitted to the hospital with a diagnosis of acute decompensated heart failure
  • On regularly prescribed oral loop diuretics, Sodium-glucose Cotransporter-2 (SGLT2) Inhibitors or a Mineralcorticoid Receptor Antagonists (MRA) prior to admission
  • Fluid overload manifested by at least three clinical indications (e.g., edema, an excess of at least 10 pounds of fluid, etc.)
  • Provide written informed consent

Who cannot join

  • New diagnosis of heart failure
  • Acute coronary syndromes
  • Creatinine ≥ 3.0 mg/dl or planned renal replacement therapies at the time of enrollment
  • Contraindications to systemic anticoagulation
  • Severe concomitant disease expected to prolong hospitalization or cause death in less than 90 days
  • Sepsis or ongoing systemic infection
Show all 10Show fewer
  • Active myocarditis
  • Constrictive pericarditis or restrictive cardiomyopathy
  • Severe aortic stenosis
  • Any condition in the opinion of the investigator that would prevent the patient from follow-up/survival

Trial locations and contacts

15 sites in 1 country.

15 sites in 1 country

United States15 sites
  • Abington Jefferson Health

    Abington, Pennsylvania, 19001

  • The Christ Hospital

    Cincinnati, Ohio, 45219

  • BayCare Medical Group, Morton Plant

    Clearwater, Florida, 33756

  • The Ohio State University

    Columbus, Ohio, 43215

  • Baylor Scott & White Research Institute

    Dallas, Texas, 75207

  • Henry Ford Health

    Detroit, Michigan, 48202

  • Jackson Madison County General Hospital

    Jackson, Tennessee, 38301

  • University of Kentucky

    Lexington, Kentucky, 40536

  • MemorialCare, Long Beach Medical Center

    Long Beach, California, 90806

  • Mount Sinai Morningside

    New York, New York, 10025

  • The Mount Sinai Hospital

    New York, New York, 10029

  • Northwell Health

    New York, New York, 10075

  • Sentara Norfolk General Heart Hospital

    Norfolk, Virginia, 23507

  • Sharp Memorial Hospital, San Diego Cardiac Center

    San Diego, California, 92123

  • Banner Health

    Tucson, Arizona, 85721

Other trials in United States

About this study

Official title: A Randomized Controlled Study to Evaluate the Safety and Effectiveness of the Aquadex System in Patients With Heart Failure and Fluid Overload

The REVERSE-HF study is a randomized controlled trial to evaluate clinical outcomes of adjustable ultrafiltration with the Aquadex System as compared to adjustable IV loop diuretics in patients with worsening heart failure (HF) and fluid overload.

Being tested
Aquadex Smartflow® System, IV Loop Diuretics
Keywords
Heart failure, Fluid overload
Medical subject headings
Heart Failure, Edema

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Aquadex Smartflow® SystemDevice

    ultrafiltration

  • IV Loop DiureticsDrug

    diuretics

Study groups in NCT05318105
Study groupRoleWhat they receive
Aquadex ultrafiltration therapyExperimentalNot described
Receives: Device: Aquadex Smartflow® System
IV loop diureticsActive comparatorNot described
Receives: Drug: IV Loop Diuretics

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Time to first heart failure (HF) event

    Heart Failure (HF) event defined as any HF rehospitalization or unplanned use of IV loop diuretics, vasoactive medications or Aquadex therapy in any outpatient setting.

    Measured: within 30 days

Secondary outcomes (1)
  1. Win ratio analysis

    Win ratio analysis of cardiovascular (CV) mortality, HF events and quality of life

    Measured: within 30 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Apr 2022
  2. Study start28 Jun 2022
  3. Primary completion6 Oct 2025
  4. Study completion7 Apr 2026

Why it stopped: The study was stopped early due to slow enrollment and was a business decision. This decision was not based on any efficacy or safety concerns.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
167 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05318105
Sponsor's protocol ID
CLIN07687
Acronym
REVERSE-HF
Status last verified
Jun 2026
First submitted
10 Mar 2022
Last updated
25 Jun 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
Yes

Publications

  • McCallum W, Sarnak MJ. Cardiorenal Syndrome in the Hospital. Clin J Am Soc Nephrol. 2023 Jul 1;18(7):933-945. doi: 10.2215/CJN.0000000000000064. Epub 2023 Jan 13.

    PubMed 36787124

Questions about this trial

What is this clinical trial studying?

A study testing Aquadex Smartflow® System and IV Loop Diuretics in people with Heart Failure (for Example, Fluid Overload) and Heart Failure, run by Nuwellis, Inc. at 15 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 25 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 15 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study was stopped early (reason given: The study was stopped early due to slow enrollment and was a business decision. This decision was not based on any efficacy or safety concerns.). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Time to first heart failure (HF) event (time frame: within 30 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05318105, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Jun 2026.

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