NCT07593612Not yet recruitingPhase 4
TACTIC-HF: Sequential Diuretic Strategies in Ambulatory Worsening Heart Failure
TACTIC-HF: Thiazide or Acetazolamide Combination Versus Intravenous Furosemide in Ambulatory Worsening Heart Failure - a Randomized Crossover Trial
Source: ClinicalTrials.gov · Last updated 18 May 2026
Brief summary (registry, in English)
TACTIC-HF is a prospective randomized crossover trial designed to compare three ambulatory diuretic strategies in patients with worsening heart failure treated in a specialized heart failure day-hospital program. Participants will receive sequential treatment with: 1. intravenous furosemide alone, 2. intravenous furosemide combined with oral acetazolamide, and 3. intravenous furosemide combined with oral hydrochlorothiazide. The primary objective is to compare short-term natriuretic response between strategies. Secondary objectives include assessment of urine output, congestion parameters, and renal/electrolyte safety. Each participant will undergo repeated outpatient treatment sessions separated by washout periods, with standardized clinical and laboratory monitoring performed during each visit. The study aims to evaluate pragmatic and clinically applicable ambulatory decongestion strategies using approved therapies commonly available in real-world practice.
- Status (registry)
- Not yet recruiting
- Phase (registry)
- Phase 4
- Study type
- Interventional
- Enrollment
- 60 (estimated)
- First submitted
- 11 May 2026
- Start date
- 15 Jun 2026
- Primary completion date
- 15 Jan 2027
- Lead sponsor
- Lucrecia Maria Burgos
- Diseases
- Heart failure
- NCT number
- NCT07593612
What you commit to
- Study type: Interventional · Phase 4
- Planned participants: 60
- From 15 Jun 2026 to the primary completion date, 15 Jan 2027
- No sites listed in no country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Hemodynamic instability or cardiogenic shock Requirement for immediate hospitalization Acute coronary syndrome, active infection, pulmonary embolism, or uncontrolled arrhythmia Severe electrolyte abnormalities Advanced renal failure requiring dialysis Pregnancy or breastfeeding Contraindication or allergy to study medications Current treatment with acetazolamide or thiazide diuretics Any condition that, in the opinion of the investigators, would make study participation unsafe or interfere with study procedures
Who the study is looking for
- Age ≥18 years Chronic heart failure diagnosis according to current guideline definitions Ambulatory worsening heart failure requiring intravenous diuretic therapy in a specialized outpatient setting Evidence of clinical or objective congestion Chronic outpatient loop diuretic therapy Ability to comply with study procedures Written informed consent
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
This page is information, not medical advice. Discuss any trial with your doctor.