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Efficacy of Oral Acetazolamide on Decongestion in Patients With Heart Failure

Investigating the effect of oral acetazolamide compared to placebo on the severity of heart congestion in patients with heart failure

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20230527058306N1
Enrollment
130
Registered
2023-07-08
Start date
2023-07-23
Completion date
Unknown
Last updated
2023-07-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic congestive heart failure. Chronic combined systolic (congestive) and diastolic (congestive) heart failure

Interventions

Intervention 1: Intervention group: They will receive acetazolamide 500 mg tablets in addition to intravenous furosemide on day 0, then 250 mg in addition to oral furosemide on day 2 for two days, and

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: Earn at least 8 points from EVEREST score Patients over 18 years old The main clinical sign of volume overload includes edema, ascites confirmed by abdominal ultrasound Pleural effusion confirmed by chest X-ray or chest ultrasound without intravenous furosemide Maintenance treatment with oral furosemide as a loop diuretic =20 mg for at least one month Using SGLT2i drugs including canagliflozin, dapagliflozin, and empagliflozin for at least one month

Exclusion criteria

Exclusion criteria: Systolic blood pressure less than 90 mmHg or mean arterial pressure less than 65 mmHg Estimated glomerular filtration rate (eGFR) <20 ml/min/1.73 m2 Using any diuretic agent except mineralocorticoid receptor antagonists including spironolactone and eplerenone Simultaneous diagnosis of acute coronary syndrome, which is characterized by typical chest pain in addition to an increase in troponin level above the 99th percentile or electrocardiographic changes indicating ischemia or hospitalization as unstable angina.

Design outcomes

Primary

MeasureTime frame
Random urine sodium to creatinine ratio. Timepoint: The third day of study. Method of measurement: Urine and blood tests.

Secondary

MeasureTime frame
B-type natriuretic peptide. Timepoint: Thirty days of study. Method of measurement: Blood test.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactHoushang Bavandpour karvane

Tehran University of Medical Sciences

Houshang.bavandpour20@gmail.com+98 21 8802 9600

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026