Congestive Heart Failure Clinical Trial
— DecongestOfficial title:
Vasodilation or Loop-diuretics for Initial Treatment of Pulmonary Edema or Congestion Due to Acute Heart Failure - a Randomized Placebo-controlled Trial
Background: Intravenous (IV) loop-diuretics have been a key component in treating pulmonary edema since the nineteen sixties and has a Class 1 recommendation in the 2021 European Society of Cardiology guidelines for heart failure. Conversely, vasodilation was downgraded in the treatment of acute heart failure due to a lack of trials that compare vasodilation with loop-diuretics in a hyperacute clinical setting. This clinical equipoise will be tested in a trial including patients with pulmonary congestion immediately at hospital admission. Primary objective: To determine the superior strategy of loop-diuretics (furosemide), vasodilation (nitrates) or the combination during emergency treatment. Design: Investigator-initiated, randomized, double-blinded, placebo-controlled trial with 1:1:1 allocation. Intervention: Intervention-phase will last 6 hours from study-inclusion, and patients will be allocated to one of three groups: - Boluses of 40 mg IV furosemide + nitrate-placebo as soon as possible and repeated up to 10 times. - Boluses of 3 mg IV isosorbide dinitrate + furosemide-placebo as soon as possible. - Boluses of both 3 mg IV isosorbide dinitrate + of 40 mg as soon as possible.
Status | Recruiting |
Enrollment | 1104 |
Est. completion date | December 31, 2026 |
Est. primary completion date | December 31, 2026 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion criteria 1. Age = 18 years 2. Acute (within minutes to days) onset or worsening of subjective dyspnea* 3. Systolic blood pressure =100 mmHg 4. Oxygen saturation <94% or need of oxygen 5. Signs or suspicion of congestion (peripheral edema, rales, and/or clinical suspicion of congestion) * - by the best assessment from a medical doctor. Inclusion must not wait on x-ray or other measures: patients suspected of pulmonary congestion should be included immediately. Exclusion criteria 1. More than 40 mg IV furosemide within the last three hours before randomization including prehospital treatment. 2. More than 3 hours from hospital-admission to randomization 3. Ongoing ventricular taky- or brady-arrythmias or supraventricular arrhythmias with HR > 180 or < 40 bpm. 4. Suspected severe infection or sepsis. Exclusion criteria are purposely liberal, so patients can be included in accordance with everyday clinical practice. However, a safety criterion will be implemented: If blood pressure drops below 90 mmHg in 2 measurements with 5 minutes apart and/or if urine production is below 50 ml after 1 hour, the intervention will be stopped, and patients can receive furosemide and nitrates freely. We purposely chose not to exclude patients with aortic stenosis, since observational studies did not find excess risk of given nitrates to patients with pulmonary edema and aortic stenosis |
Country | Name | City | State |
---|---|---|---|
Denmark | Bispebjerg Hospital | Copenhagen | |
Denmark | Hvidovre Hospital | Copenhagen | |
Denmark | Roskilde Hospital | Roskilde |
Lead Sponsor | Collaborator |
---|---|
Johannes Grand | Bispebjerg Hospital, Copenhagen University Hospital, Hvidovre, Zealand University Hospital |
Denmark,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Pulmonary congestion on chest x-ray the next day | 1 day | ||
Other | Duration of index admission, including hospital-based rehabilitation | Up to 30 days | ||
Other | FiO2, Blood pressure, respiratory rate, heart rate after 1 hour | 1 hours | ||
Other | Echocardiographic parameters (LVEF, %) | After 24 hours after hospital-admission | ||
Other | NT-pro-BNP | Measured and analysed at each site | After 24 hours after hospital-admission | |
Other | Myocardial infarction within 48 hours | Assessed by the treating clinician | 2 days | |
Other | Change in bodyweight from baseline until 2 days (kg) | Measured at admission and after 48 hours | 2 days | |
Primary | Days alive and outside hospital | The primary end point is the number of days alive and out of hospital during the 30-day period after the hospital-visit. The choice of this end point allow capturing the burden of acute heart failure in terms of mortality, hospital length of stay, and early readmission to the hospital. Patients who died before day 30 will be counted as having zero days alive and out of hospital. A return visit to the emergency department was considered as 1 day in the hospital, using the same approach as a recent trial of acute heart failure. | 30 days | |
Secondary | A composite outcome consisting of 1. all-cause mortality, 2. in-hospital worsening heart failure (WHF) or 3. hospital readmission for HF through Day 30. | WHF was defined as progress in signs and/or symptoms of heart failure that lead to an intensification of treatment for heart failure. Such treatment was defined as initiation of mechanical ventilation, renal replacement therapy, vasopressors, inotropes, or mechanical heart failure treatment. | 30 days | |
Secondary | Worsening heart failure until day 30 | WHF was defined as progress in signs and/or symptoms of heart failure that lead to an intensification of treatment for heart failure. Such treatment was defined as initiation of mechanical ventilation, renal replacement therapy, vasopressors, inotropes, or mechanical heart failure treatment. | 30 days | |
Secondary | Rehospitalization for heart failure until day 30 | Any visit to the hospital due to heart failure. | 30 days | |
Secondary | Death from all causes until day 30 | 30 days | ||
Secondary | Days alive out-of-intensive care unit until day 30 | 30 days | ||
Secondary | Renal replacement therapy until day 30 | 30 days | ||
Secondary | Quality of life at 30-day follow-up (5Q-DL) | The descriptive system comprises five dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 levels: no problems, slight problems, moderate problems, severe problems and extreme problems. The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. This decision results in a 1-digit number that expresses the level selected for that dimension. The digits for the five dimensions can be combined into a 5-digit number that describes the patient's health state.
The EQ VAS records the patient's self-rated health on a vertical visual analogue scale, where the endpoints are labelled 'The best health you can imagine' and 'The worst health you can imagine'. The VAS can be used as a quantitative measure of health outcome that reflect the patient's own judgement. |
30 days | |
Secondary | Congestion assessed by Lung Ultrasound | Multiple b-lines in at least two windows (yes/no) | 1 day | |
Secondary | Time from inclusion to freedom from supplemental oxygen with a saturation >93% | Up to 30 days |
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