HER2-Positive Breast Cancer: GLSI-100 Treatment Study

We are testing a new peptide treatment for patients with HER2-positive breast cancer at high risk of recurrence after standard therapies. The study aims to see if it improves outcomes compared to a placebo.

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.

Isotonische Kochsalzlösung 0,9% Bernburg
Isotonische Kochsalzlösung 0,9% Bernburg is a sterile saline solution used to replace lost fluids, rinse wounds, and moisten or clean body tissues.

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.

Aldesleukin
Aldesleukin is a synthetic form of a natural immune-signaling protein that boosts the body's immune response to help treat certain cancers.
Molgramostim
Molgramostim is a substance that stimulates white blood cell production to help prevent or treat low blood cell counts.
Sodium Chloride
Sodium chloride is a substance used to replace salts and fluids in the body and to clean or irrigate wounds and nasal passages.

What experimental substances are being tested?

Experimental substances that are being investigated in this clinical trial. These are not yet approved for general use.

Sargramostim

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.

Acuolens
Addex Natriumklorid
Aminoplasmal E

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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Ordensklinikum Linz GmbH
Hämatologie & Onkolog
Linz, Austria
UZ Leuven
Gynaecological Oncology
Heverlee, Belgium
Sainte Catherine Institut Du Cancer Avignon-Provence
Medical Oncology
Avignon, France

Sponsor: Greenwich LifeSciences Inc.
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.