Clinical trial Recruiting at 4 sites Interventional Ages 18 and up

Using lung ultrasound to guide treatment for acute heart failure

Official title: Investigating aCute heArt failuRe Decongestion Guided by Lung UltraSonography (IcarUS) : a Randomized Controlled Trial

Run by University Hospital, Geneva · NCT06465498 · Data updated 2026-11-12

This study is testing if using lung ultrasound to guide treatment can help adults with acute heart failure leave the hospital sooner and feel better compared to standard care.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment222 (estimated)
SponsorUniversity Hospital, Geneva
Academic / other
Locations5 sites (Geneva, Canton of Geneva and 4 other locations)
StatusRecruiting
StartedOctober 22, 2024
Main results expectedApril 30, 2027
Study endsApril 30, 2027
Registry record updatedApril 1, 2026
Trial IDNCT06465498 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 and older who are hospitalized for congestive acute heart failure and have elevated levels of N-terminal pro-brain natriuretic peptide.

Probably not a fit

Patients with isolated right heart failure, severe hypotension, or conditions mimicking lung edema may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial investigates the effectiveness of a lung ultrasonography (LUS)-guided decongestion strategy for adults hospitalized with acute heart failure (AHF). It aims to determine if this approach can shorten hospital stays, reduce early readmissions, and improve patients' symptoms and quality of life compared to traditional physical examination methods. The study will be conducted as a multicenter, blinded, randomized controlled trial involving 222 participants, who will be assigned to either the LUS-guided strategy or standard care within 48 hours of hospital admission. The primary outcome will measure the number of days spent alive outside the hospital within 40 days of inclusion.

Why it matters

Potential benefit: If successful, this approach could lead to improved patient outcomes and reduced healthcare costs for those suffering from acute heart failure.

How similar studies have gone: While lung ultrasonography has shown benefits in chronic heart failure management, this specific application in acute heart failure is novel and has not been extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* ≥ 18 years old
* Planned or actual admission to intermediate care units, general internal medical or cardiology wards
* Diagnosis of congestive AHF on admission chart (primary or secondary diagnosis)
* Raised value of N terminal-pro-brain natriuretic peptide (≥1000 ng/l).

Key Exclusion Criteria:

* Known isolated right heart failure
* Systolic blood pressure \<90 mmHg, mean arterial pressure \<65 mmHg at the moment of inclusion
* The following conditions mimicking lung cardiogenic oedema on LUS if known at inclusion and documented: Interstitial lung disease, lung cancer or metastasis, acute respiratory distress syndrome, pulmonary contusion
* Known virologically confirmed SARS-CoV-2 pneumonia in the preceding 3 months
* Unwillingness to give consent
* Subjects who are pregnant or breastfeeding
* Hospitalisation for palliative care and probable end-life within 30 days

Where it's running

  • Trois-Chêne Hospital, Geneva Univesity Hospitals
    Geneva, Canton of Geneva, Switzerland
    Recruiting
  • Geneva University Hospitals
    Geneva, Canton of Geneva, Switzerland
    Recruiting
  • Inselspital, Universitätspital
    Bern, Switzerland, Switzerland
    Recruiting
  • Fribourg University Hospital
    Fribourg, Switzerland
    Recruiting
  • Ospedale Civico, Ente Ospedaliero Cantonale
    Lugano, Switzerland
    Terminated

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.