New combo therapy could boost fluid removal in heart failure
NCT ID NCT07372040
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests three different drugs—empagliflozin, acetazolamide, and metolazone—added to standard water pills (loop diuretics) in 66 adults hospitalized for acute decompensated heart failure. The goal is to see which drug works best at increasing urine output over three days. Researchers will also measure changes in heart stress markers. The trial is currently recruiting.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- empagliflozin, acetazolamide, and metolazone
- What this could lead to
- If successful, this could identify a better add-on therapy to help heart failure patients get rid of excess fluid more effectively during hospitalization.
- What could go wrong
- This is a small, early-phase trial with only 66 participants, so results may not apply to all patients. The drugs also carry risks like electrolyte imbalances or kidney issues.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 66 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Feb 2026
An estimate. Start dates often move.
- Expected to finish
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Feb 2027
An estimate. End dates often move.
- 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.
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. Male or female patients older than 18 years. 2. Hospital admission with clinical diagnosis of acute decompensated heart failure with at least one clinical sign of volume overload (e.g. edema, ascites confirmed by echography or pleural effusion confirmed by chest X-ray or echography). Exclusion Criteria: 1. Type 1 diabetes. 2. Chronic kidney disease with estimated glomerular filtration rate (eGFR) \<30 mL/min per 1.73 m² or end-stage kidney failure with the need for chronic dialysis treatment. 3. A systolic blood pressure of less than 90 mmHg. 4. Cardiogenic shock. 5. Receipt of acetazolamide maintenance therapy. 6. Receipt of an SGLT2 inhibitor, thiazide, or thiazide-like diuretic in the 48 hrs before randomization. 7. Any cause of heart failure leading to decompensation that will need urgent management (eg, acute coronary syndrome, unstable arrhythmias, acute pulmonary embolism). 8. Pregnant or breastfeeding women. 9. Moderate to severe anemia.
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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
1 site. 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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Tanta university
RECRUITINGTanta, Egypt
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Stick-On patch aims to catch dangerous heart decline sooner
- Blood test clues: could two proteins predict heart failure crises?
- Are heart failure patients taking their meds? a urine test at the ER aims to find out
- Can common heart drugs stay safe during a crisis? a trial investigates
- Heart failure fluid removal device trial halted early
- Massive new registry aims to unlock secrets of deadly heart shock