NCT06725927

Brief Summary

In patients with heart failure (HF), influenza vaccination should be considered to prevent HF hospitalizations. However, vaccination rates among patients with HF are low, in part because of subjective but common concerns about whether patients with such severe disease should be vaccinated. In this randomized, open-label study, we will investigate whether influenza vaccination before discharge in patients stabilized after cardiac decompensation is safe and improves outcomes over a 6-month follow-up period.

Trial Health

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Monitor

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
200

participants targeted

Target at P50-P75 for phase_4 heart-failure

Timeline
Completed

Started Dec 2024

Shorter than P25 for phase_4 heart-failure

Geographic Reach
1 country

1 active site

Status
active not recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 5, 2024

Completed
5 days until next milestone

First Posted

Study publicly available on registry

December 10, 2024

Completed
21 days until next milestone

Study Start

First participant enrolled

December 31, 2024

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 30, 2025

Completed
1 day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2025

Completed
Last Updated

July 23, 2025

Status Verified

July 1, 2025

Enrollment Period

11 months

First QC Date

December 5, 2024

Last Update Submit

July 18, 2025

Conditions

Keywords

heart failureinfluenzavaccination

Outcome Measures

Primary Outcomes (1)

  • Primary composite endpoint - cardiovascular death, heart failure hospitalization or infection

    6 months

Study Arms (2)

Influenza vaccination

EXPERIMENTAL

Vaccination pre-discharge in patients stabilized after heart failure exacerbation

Biological: Influenza vaccination

Standard of care

NO INTERVENTION

Interventions

Influenza vaccination pre-discharge in patients hospitalized due to heart failure exacerbation

Influenza vaccination

Eligibility Criteria

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

You may qualify if:

  • informed consent to participate in the study
  • hospitalization (unplanned) due to exacerbation (decompensation) of heart failure
  • planned discharge within the next 48 hours due to completion of hospital treatment
  • no current (2024/25 season) influenza vaccination.

You may not qualify if:

  • severe post-vaccination reaction during influenza vaccination in any previous influenza season
  • hypersensitivity to any of the components of the vaccine planned to be administered
  • discharge to another hospital for continued treatment or discharge to a nursing home
  • antibiotic therapy among the drugs recommended for taking after hospitalization.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Jan Mikulicz Radecki University Hospital in Wroclaw

Wroclaw, Lower Silesian Voivodeship, 50-556, Poland

Location

MeSH Terms

Conditions

Heart FailureInfluenza, Human

Interventions

Influenza Vaccines

Condition Hierarchy (Ancestors)

Heart DiseasesCardiovascular DiseasesRespiratory Tract InfectionsInfectionsOrthomyxoviridae InfectionsRNA Virus InfectionsVirus DiseasesRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

Viral VaccinesVaccinesBiological ProductsComplex Mixtures

Study Officials

  • Jan Biegus, Professor

    Wroclaw Medical University

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Dr

Study Record Dates

First Submitted

December 5, 2024

First Posted

December 10, 2024

Study Start

December 31, 2024

Primary Completion

November 30, 2025

Study Completion

December 1, 2025

Last Updated

July 23, 2025

Record last verified: 2025-07

Data Sharing

IPD Sharing
Will not share

Locations