Breast Cancer Treatment: Elacestrant Study

We are studying whether Elacestrant alone is as effective as Elacestrant with ovarian function suppression in premenopausal women with early-stage ER+/HER2- breast cancer. The trial also looks at the safety of these treatment options.

1-2 years ≤5 visits Efficacy phase (II)No Placebo Standard Medicines Oral InjectionGynecology and ObstetricsOncology

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.

Elicea

Elicea is an antidepressant medicine used to treat depression and certain anxiety disorders.

Zeulide

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.

Elacestrant

Elacestrant is a substance that blocks and reduces estrogen receptor activity to treat estrogen receptor–positive breast cancer.

Escitalopram

Escitalopram is a substance that helps improve mood and reduce anxiety in people with depression or anxiety disorders.

Leuprorelin Acetate

Leuprorelin acetate is a substance that lowers sex hormone levels to treat hormone-driven conditions like prostate cancer and endometriosis.

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.

Aciprex

Amasci

Apoescitaxin Oro

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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Centre Jean Perrin

Oncology

Beaumont, France

Institut Paoli Calmettes

Oncology

Marseille, France

Centre Leon Berard

Oncology

Meyzieu, France

Sponsor: Institut Gustave Roussy

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.