NCT04741711

Brief Summary

AMBUSH study is a multicenter randomized, controlled, open-label clinical trial (PROBE (Prospective Randomized Open Blinded End-point) type). The main objective of AMBUSH study is to assess the effect of therapeutic management guided by pulmonary ultrasound and the assessment of the inferior vena cava in patients with heart failure seen in an ambulatory (outpatient) setting on a mixed clinical-biological endpoint (including variations of natriuretic peptides - NtProBNP) at 30 days.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
182

participants targeted

Target at P50-P75 for not_applicable heart-failure

Timeline
13mo left

Started May 2023

Longer than P75 for not_applicable heart-failure

Geographic Reach
1 country

5 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress74%
May 2023Jun 2027

First Submitted

Initial submission to the registry

January 29, 2021

Completed
7 days until next milestone

First Posted

Study publicly available on registry

February 5, 2021

Completed
2.3 years until next milestone

Study Start

First participant enrolled

May 15, 2023

Completed
3.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 15, 2026

Expected
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

June 15, 2027

Last Updated

May 17, 2023

Status Verified

May 1, 2023

Enrollment Period

3.1 years

First QC Date

January 29, 2021

Last Update Submit

May 15, 2023

Conditions

Outcome Measures

Primary Outcomes (3)

  • Death within 30 days (composite endpoint)

    The primary endpoint will rank patients from worst to most favourable outcome during the trial. It will be a hierarchical composite of events as described by Felker in 2010 (PMID 20841546).

    Within 30 days

  • Hospitalization for heart failure within 30 days (composite endpoint)

    The primary endpoint will rank patients from worst to most favourable outcome during the trial. It will be a hierarchical composite of events as described by Felker in 2010 (PMID 20841546).

    Within 30 days

  • Changes in N-terminal pro b-type natriuretic peptide (NtProBNP) between randomization and D30 (composite endpoint)

    The primary endpoint will rank patients from worst to most favourable outcome during the trial. It will be a hierarchical composite of events as described by Felker in 2010 (PMID 20841546).

    Between randomization and Day 30

Secondary Outcomes (5)

  • Cardiovascular death

    Within 30 days

  • Ultrasound pulmonary congestion defined ≥3 B-lines on two intercostal spaces bilaterally (8-point method) and systemic congestion defined as an inferior vena cava diameter 21 mm or greater and/or a low variation during the respiratory cycle

    At baseline in the intervention group and in all patients at Day 30 post inclusion

  • Circulating levels of natriuretic peptides (NtProBNP)

    At baseline and Day 30

  • Changes in natriuretic peptides (NtProBNP)

    Between baseline and Day 30.

  • Ultrasound congestion defined as in B / and clinical congestion evaluated according to the EVEREST and ASCEND scores

    At baseline in the intervention group and in all patients at the Day 30.

Study Arms (2)

Interventional group

EXPERIMENTAL

The heart failure treatments will be guided by the results of the lung ultrasound and the evaluation of the inferior vena cava

Procedure: An ultrasound (lung and inferior vena cava) will be performed and the heart failure treatments will be guided by the results of the lung ultrasound and the evaluation of the inferior vena cava.

Control group

OTHER

Usual care (i.e. without ultrasound guidance) will be provided.

Procedure: Usual care without ultrasound guidance

Interventions

An ultrasound (lung and inferior vena cava) will be performed and the heart failure treatments will be guided by the results of the lung ultrasound and the evaluation of the inferior vena cava. The choice of congestion treatment modalities to be implemented is left to the investigators' discretion, in accordance with European practice guidelines.

Interventional group

Usual care (i.e. without ultrasound guidance)

Control group

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Male or female aged 18 and over
  • Heart failure (regardless of left ventricular ejection fraction)
  • Diagnosis of heart failure established more than 3 months ago
  • Absence of significant clinical signs of congestion on clinical examination (absence of crackles and lower limbs oedema greater than perimalleolar oedema)
  • Affiliation to social security
  • Receiving complete information about research organization and signed informed consent.

You may not qualify if:

  • Pulmonary or pleural pathology preventing reliable acquisition of lung ultrasound images: severe emphysema, chronic pleurisy, pulmonary fibrosis.
  • Suspicion of cardiac amyloidosis or proven amyloidosis,
  • Patient with severe primary heart valve disease
  • Pregnant woman, parturient or nursing mother
  • Adult person subject to a legal protection measure (guardianship, curatorship, safeguard of justice)
  • Person deprived of liberty by a judicial or administrative decision,
  • Person subject to psychiatric care pursuant to Articles L. 3212-1 and L. 3213-1 of the Public Health Code.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (5)

CHU de Besançon

Besançon, 25030, France

NOT YET RECRUITING

CH de Mulhouse

Mulhouse, 68070, France

NOT YET RECRUITING

CHRU de Reims

Reims, 51092, France

NOT YET RECRUITING

CHR de Metz

Thionville, 57126, France

NOT YET RECRUITING

CHRU de Nancy

Vandœuvre-lès-Nancy, 54500, France

RECRUITING

MeSH Terms

Conditions

Heart Failure

Condition Hierarchy (Ancestors)

Heart DiseasesCardiovascular Diseases

Central Study Contacts

Nicolas GIRERD, MD,PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD,PhD

Study Record Dates

First Submitted

January 29, 2021

First Posted

February 5, 2021

Study Start

May 15, 2023

Primary Completion (Estimated)

June 15, 2026

Study Completion (Estimated)

June 15, 2027

Last Updated

May 17, 2023

Record last verified: 2023-05

Locations