Influenza Vaccine Study for Hematological Cancer Patients

We are testing whether a high-dose flu vaccine works better than a standard dose in patients with hematological cancers. This study aims to improve vaccine effectiveness and understand immune responses in these patients.

>2 yearsConfirmation phase (III)No PlaceboStandard MedicinesInjectionHematologyInfectious Diseases

What diseases are being studied?

Health conditions and diseases that the clinical trial is designed to study and treat.

Who can participate in the clinical trial?

These questions help us understand your situation so we can let the trial team know whether you might be a potential match. This is not a medical evaluation and is not part of the official screening, the study doctor will make the final decision..

What medicines are being studied?

Medicines that are officially approved for use in the European Union and considered safe by EMA. These medicines are already on the market and may be tested for new conditions or populations.

Alpharix-Tetra
Efluelda Tetra

What active substances are being studied?

Active substances that are officially approved for use in the European Union and considered safe by EMA. These substances are already on the market and may be tested for new conditions or populations.

A/Darwin/9/2021 (H3n2) - Like Strain (A/Darwin/6/2021, Ivr-227)
A/Darwin/9/2021 (H3N2)-like strain is an influenza virus used in vaccines to help protect people from seasonal flu.
A/Victoria/2570/2019 (H1n1)pdm09-Like Strain (A/Victoria/2570/2019, Ivr-215)
A/Victoria/2570/2019 (H1N1)pdm09-like strain is an influenza strain used in vaccines to stimulate immunity against H1N1 seasonal flu.
A/Victoria/4897/2022 (H1n1)pdm09-Like Strain (A/Victoria/4897/2022, Ivr-238)
A/Victoria/4897/2022 (H1N1)pdm09-like strain is an influenza A virus used in vaccines to help protect against H1N1 seasonal flu.

What similar medicines might you know?

Don't worry if you don't know the medicines tested in the trial. There is a chance you have heard about the similar medicines. Check the list below to see if you are familiar with any of them.

Afluria Tetra
Alpharix
Batrevac Tetra

Where is the clinical trial being conducted?

Locations and medical facilities where this clinical trial is currently recruiting or conducting research. Select the locations where you would like to participate.

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CHU De Liege
Hematology
Tilff, Belgium
Sponsor: CHU De Liege
Last updated: Nov 26, 2025

Disclaimer: Parts of this content have been automatically extracted from the EU Clinical Trials registry. While we strive for accuracy, please always contact the trial site or sponsor directly for correct and official information before making any decisions about participation. View on EU Clinical Trials.