HPV Vaccination Timing After Stem Cell Transplant

We are comparing early versus late vaccination with Gardasil 9® in patients who have had a stem cell transplant. The goal is to see which timing produces a stronger immune response against HPV.

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.

Gardasil 9
Gardasil 9 is a vaccine that helps prevent HPV infections that can lead to cervical and other cancers and genital warts.

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.

Amorphous Aluminium Hydroxyphosphate Sulphate
Amorphous aluminium hydroxyphosphate sulphate is a substance used as a vaccine adjuvant to strengthen the body's immune response to vaccination.
Human Papillomavirus Type 11 L1 Protein - Adsorbed - In The Form Of Virus-Like Particles Produced In Yeast Cells (Saccharomyces Cerevisiae Canade 3c-5 (Strain 1895)) By Rdna
Human papillomavirus type 11 L1 protein virus-like particles made in yeast help prevent HPV-11 infection and genital warts.
Human Papillomavirus Type 16 L1 Protein - Adsorbed - In The Form Of Virus-Like Particles Produced In Yeast Cells (Saccharomyces Cerevisiae Canade 3c-5 (Strain 1895)) By Rdna
A vaccine component that helps the body develop immune protection against human papillomavirus type 16, which can lead to cervical and other cancers.

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.

Gardasil

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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Sahlgrenska University Hospital-Vastra Gotalandsregionen
Hematology Department
Göteborg, Sweden
Karolinska University Hospital
CAST
Huddinge, Sweden
Linkoping University Hospital Region Ostergotland
Hematology Department
Linköping, Sweden

Sponsor: Vastra Gotalandsregionen
Last updated: Nov 27, 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.