Heart failure drug showdown: which diuretic wins?
NCT ID NCT03296813
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compared two common water pills (torsemide vs furosemide) in nearly 3,000 adults hospitalized with heart failure. The goal was to see which drug better prevents death or the need for repeat hospitalizations over 12 months. Participants were randomly assigned to one of the two medications and followed by phone.
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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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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2,973 people
The number who actually took part.
- Started
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Jul 2018
- Finished
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Jul 2022
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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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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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Patient hospitalized (≥ 24 hours or over a change in calendar date) with worsening of chronic heart failure, or new diagnosis of heart failure AND meets one of the following criteria: 1. Has a left ventricular ejection fraction (EF) ≤40% within 24 months prior to and including index hospitalization by any method (with most recent value used to determine eligibility) 2. Has an elevated natriuretic peptide level (either NT-pro-B-type natriuretic peptide or B-type natriuretic peptide) during index hospitalization as measured by local laboratory (with most recent value used to determine eligibility) 2. Plan for a daily outpatient oral loop diuretic regimen upon hospital discharge with anticipated need for long-term loop diuretic use 3. ≥ 18 years of age 4. Signed informed consent Exclusion Criteria: 1. End-stage renal disease requiring renal replacement therapy 2. Inability or unwillingness to comply with the study requirements 3. History of heart transplant or actively listed for heart transplant 4. Implanted left ventricular assist device or implant anticipated \<3 months 5. Pregnant or nursing women 6. Malignancy or other non-cardiac condition limiting life expectancy to \<12 months 7. Known hypersensitivity to furosemide, torsemide, or related agents
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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.
Contacts and locations
Locations
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Abington Memorial Hospital
Abington, Pennsylvania, 19001, United States
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AtlantiCare Regional Medical Center
Pomona, New Jersey, 08240, United States
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Augusta University
Augusta, Georgia, 30912, United States
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Baylor University Medical Center
Dallas, Texas, 75246, United States
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Black Hills Cardiovascular Research
Rapid City, South Dakota, 57701, United States
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Cleveland Clinic
Cleveland, Ohio, 44195, United States
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Columbia University Medical Center
New York, New York, 10032, United States
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Drexel University College of Medicine
Philadelphia, Pennsylvania, 19102, United States
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Duke (Duke Heart Center)
Durham, North Carolina, 27710, United States
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Emory Health Care
Atlanta, Georgia, 30322, United States
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Fox Valley Clinical Research Center
Aurora, Illinois, 60506, United States
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Froedtert Hospital
Milwaukee, Wisconsin, 53226, United States
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Good Samaritan Hospital
Ephrata, Pennsylvania, 17522, United States
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Greenville Hospital System University Medical Center
Greenville, South Carolina, 29605, United States
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Henry Ford Hospital
Detroit, Michigan, 48202, United States
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Holy Cross Hospital
Fort Lauderdale, Florida, 33308, United States
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Indiana University Health Bloomington Hospital
Bloomington, Indiana, 47402, United States
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Indiana University Medical Center
Indianapolis, Indiana, 46202, United States
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Inova Health Care Services
Falls Church, Virginia, 22042, United States
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Intermountain Medical Center
Murray, Utah, 84107, United States
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Jefferson University Hospital
Philadelphia, Pennsylvania, 19107, United States
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Kaiser Permanente Medical Center
San Francisco, California, 94115, United States
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Lester E. Cox Health Systems
Springfield, Missouri, 65807, United States
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Loyola University Medical Center
Maywood, Illinois, 60153, United States
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Main Line Health System
Wynnewood, Pennsylvania, 19096, United States
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Methodist Medical Center of Illinois
Peoria, Illinois, 61606, United States
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Montefore Medical Center - Albert Einstein University Hospital
The Bronx, New York, 10461, United States
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Mount Sinai
New York, New York, 10029-6574, United States
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New Hanover Regional Medical Center
Wilmington, North Carolina, 28401, United States
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North Shore University Hospital
Manhasset, New York, 11030, United States
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Northwestern Memorial Hospital
Chicago, Illinois, 60611, United States
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Novant Health Matthews Medical Center
Matthews, North Carolina, 28240, United States
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Oschner Clinic
New Orleans, Louisiana, 70121, United States
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Presbyterian/Brooklyn Methodist Hospital
Brooklyn, New York, 11215, United States
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Queens Medical Center
Honolulu, Hawaii, 96813, United States
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Russel Medical Center
Alexander City, Alabama, 35010, United States
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Saint Francis Hospital and Medical Center
Hartford, Connecticut, 06105, United States
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Saint Joseph Mercy Health System / Michigan Heart
Ypsilanti, Michigan, 48197, United States
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Sentara Norfolk General Hospital
Norfolk, Virginia, 23507, United States
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Shady Grove Medical Center
Rockville, Maryland, 20850, United States
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Stony Brook University Hospital
Stony Brook, New York, 11794, United States
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The Heart Center, PC
Huntsville, Alabama, 35801, United States
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University Hospitals Case Medical Center
Cleveland, Ohio, 44106, United States
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University Medical Center
New Orleans, Louisiana, 70112, United States
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University of Arizona
Tucson, Arizona, 85724, United States
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University of Chicago
Chicago, Illinois, 60637, United States
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University of Florida - Gainesville
Gainesville, Florida, 32610, United States
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University of Iowa Hospitals and Clinics
Iowa City, Iowa, 52242, United States
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University of Michigan Medical Center
Ann Arbor, Michigan, 48109, United States
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University of Minnesota
Minneapolis, Minnesota, 55455, United States
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University of Mississippi Medical Center
Jackson, Mississippi, 29216, United States
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University of North Carolina School of Medicine
Chapel Hill, North Carolina, 27514, United States
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University of Utah Hospitals and Clinics
Salt Lake City, Utah, 84132, United States
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V.A. Greater Los Angeles Healthcare System
Los Angeles, California, 90073, United States
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VA Medical Center/University of Maryland
Baltimore, Maryland, 21201, United States
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Virginia Commonwealth University Health
Richmond, Virginia, 23298, United States
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Washington University School of Medicine
St Louis, Missouri, 63110, United States
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Weill Cornell Medical College
New York, New York, 10021, United States
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West Haven VA Medical Center
West Haven, Connecticut, 06516, United States
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Yale
New Haven, Connecticut, 06511, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Which SGLT2 inhibitor wins? trial pits empagliflozin against dapagliflozin
- Can daily mindful breathing ease heart failure symptoms?
- Can a smartphone app keep heart failure patients out of the hospital?
- Can better training get doctors to talk about what matters most to dying veterans?
- Can AI read heart ultrasounds as well as trained sonographers?
- Can modern heart failure drugs reverse damage in three months?