RecruitingPhase 3NCT05512364

Elacestrant for Treating ER+/HER2- Breast Cancer Patients With ctDNA Relapse (TREAT ctDNA)

Elacestrant for Treating ER+/HER2- Breast Cancer Patients With ctDNA Relapse


Sponsor

European Organisation for Research and Treatment of Cancer - EORTC

Enrollment

220 participants

Start Date

Dec 15, 2023

Study Type

INTERVENTIONAL

Summary

This is an international, multi-center, randomised, open label, superiority phase III trial of elacestrant vs standard endocrine therapy in patients with ER+/HER2- breast cancer and ctDNA relapse. During the ctDNA screening phase, patients will be tested at different timepoints to detect the presence of ctDNA in their blood. Patients who are found to be ctDNA-positive and have no evidence of distant metastasis, will be randomised 1:1 between standard endocrine treatment (the same they were receiving when tested ctDNA positive) versus elacestrant, provided they meet all eligibility criteria. After completion of the protocol treatment period, treatment will be left at the discretion of the treating physician.


Eligibility

Min Age: 18 Years

Plain Language Summary

Simplified for easier understanding

The TREAT ctDNA study tests whether starting elacestrant — a hormonal therapy pill — when circulating tumor DNA (ctDNA) shows early signs of cancer recurrence in blood can prevent or delay the cancer from coming back fully in patients with early-stage hormone receptor-positive, HER2-negative breast cancer. ctDNA is tiny fragments of cancer DNA detectable in blood even before a tumor is visible on scans. **You may be eligible if...** - You are a male or female with ER-positive, HER2-negative breast cancer previously treated with surgery - You have an intermediate to high risk of recurrence (e.g., 4 or more positive lymph nodes, or specific pathological features) - A blood test (ctDNA test) shows early molecular signs that cancer may be returning, even if no tumor is visible on scans - You have completed standard treatments including chemotherapy and/or hormone therapy **You may NOT be eligible if...** - Your breast cancer is HER2-positive or hormone receptor-negative - Your cancer has already visibly returned on scans (distant metastasis) - You have had prior treatment with elacestrant or similar drugs - You have severe liver disease or certain other serious health conditions - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

DRUGElacestrant

400mg QD orally on a continuous dosing schedule

DRUGTamoxifen

20 mg QD orally on a continuous dosing schedule

DRUGLetrozole 2.5mg

2.5 mg QD orally on a continuous dosing schedule

DRUGAnastrozole 1mg

1 mg QD orally on a continuous dosing schedule

DRUGExemestane 25 MG

25 mg QD orally on a continuous dosing schedule


Locations(94)

Institut Jules Bordet

Anderlecht, Belgium

AZ KLINA

Brasschaat, Belgium

Cliniques Universitaires Saint-Luc

Brussels, Belgium

Grand Hopital de Charleroi - Site Notre Dame

Charleroi, Belgium

CHU Helora Pole Hospitalier Jolimont - Hopital Jolimont

Haine-Saint-Paul, Belgium

AZ Groeninge Kortrijk - Campus Kennedylaan

Kortrijk, Belgium

U.Z. Leuven - Campus Gasthuisberg

Leuven, Belgium

CHU Site Sainte-Elisabeth-UCL Namur

Namur, Belgium

AZ Delta - Campus Rumbeke

Roeselare, Belgium

AZ Turnhout - Campus Sint Elisabeth

Turnhout, Belgium

Centre Hospitalier Regional Verviers

Verviers, Belgium

German Oncology Center

Limassol, Cyprus

Bank Of Cyprus Oncology Centre

Stróvolos, Cyprus

CH de La Cote Basque - Saint Leon

Bayonne, France

Clinique Belharra-Ramsay Sante

Bayonne, France

Centre de Radiotherapie Pierre Curie

Beuvry, France

Centre Hospitalier - Boulogne Sur Mer

Boulogne-sur-Mer, France

CHU de Lyon - Hopital Femme Mere Enfant

Bron, France

Societe de Recherche Oncologique Clinique 37

Chambray-lès-Tours, France

Hopital de Douai- Centre Leonard de Vinci

Dechy, France

CHU de Limoges - Hopital Dupuytren

Limoges, France

CHU de Lyon - Hopital De La Croix Rousse

Lyon, France

Polyclinique De Gentilly - Centre d'Oncologie

Nancy, France

CHU de Lyon - Hopital Lyon Sud

Pierre-Bénite, France

Institut Curie - l'Hopital de St Cloud

Saint-Cloud, France

CHU de Toulouse - Institut Claudius Regaud - IUCT oncopole

Toulouse, France

Universitaetsklinikum Aachen AOR - Medizinische Fakultaet der RWTH

Aachen, Germany

Gemeinschaftspraxis Augsburg

Augsburg, Germany

Evangelisches Krankenhaus -Bergisch Gladbach

Bergisch Gladbach, Germany

Marienhospital Bottrop gGmbH

Bottrop, Germany

Hamatologische Onkologische Praxis Im Medicum

Bremen, Germany

St Elisabeth-Krankenhaus

Cologne, Germany

Universitaetsklinikum Carl Gustav Carus (TUD)

Dresden, Germany

Medizinische Hochschule Hannover

Hanover, Germany

Gemeinschaftspraxis Dr. Pourfard / Dr. Uleer

Hildesheim, Germany

Klinikum Kassel Gmbh

Kassel, Germany

MVM MbH -Onkologie UnterEms, Leer-Papenburg-Emden

Leer, Germany

Busch MCZ GmbH

Mühlhausen, Germany

Klinikum Nuernberg- Standort Nord

Nuremberg, Germany

Klinikum Ernst von Bergmann gemeinnützige GmbH

Potsdam, Germany

Universitaetsklinikum Tuebingen-calwerstrasse

Tübingen, Germany

Universitaetsklinikum Ulm-Michelsberg

Ulm, Germany

HELIOS Kliniken - Helios Klinikum Wuppertal - Klin. Univ. Witten / Herdecke

Wuppertal, Germany

Diagnostic & Therapeutic Center of Athens Hygeia Hospital S.A.

Athens, Greece

General University Hospital of Larissa

Larissa, Greece

Mater Private Hospital

Dublin, Ireland

St. James'S Hospital

Dublin, Ireland

Beacon Hospital

Dublin, Ireland

Centro Di Riferimento Oncologico

Aviano, Italy

Azienda Ospedaliera Papa Giovanni XXIII

Bergamo, Italy

Univ. of Florence -Azienda Ospedaliero-Universitaria Careggi

Florence, Italy

IRCCS Azienda Policlinico San Martino

Genova, Italy

Azienda USL IRCCS Di Reggio Emilia Guastalla

Guastalla, Italy

Ospedale Alessandro Manzoni

Lecco, Italy

Azienda Unita Locale Socio-Sanitaria N. 9-Mater Salutis Hospital

Legnano, Italy

IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori"

Meldola, Italy

University Hospital of Cagliari Duilio Casula Hospital Unit (Policlinico)

Monserrato, Italy

Azienda Ospedaliera Universitaria "Federico II"

Naples, Italy

Azienda Ospedaliero-Universitaria di Parma

Parma, Italy

Istituti Clinici Scientifici Maugeri

Pavia, Italy

San Maria della Misericordia Hospital

Perugia, Italy

Azienda Ospedaliera Universitaria Pisana

Pisa, Italy

Azienda USL IRCCS Di Reggio Emilia - Maria Nuova

Reggio Emilia, Italy

AUSL Romagna - AUSL Della Romagna - Infermi Hospital -Rimini

Rimini, Italy

Flevoziekenhuis Stichting

Almere Stad, Netherlands

Amsterdam UMC - locatie VUMC

Amsterdam, Netherlands

Rijnstate Hospital

Arnhem, Netherlands

Haaglanden Medisch Centrum

Leidschendam, Netherlands

Ikazia Ziekenhuis

Rotterdam, Netherlands

Sint Antonius - St Antonius Ziekenhuis Utrecht

Utrecht, Netherlands

VieCuri - Medisch Centrum voor Noord-Limburg - Locatie Venlo

Venlo, Netherlands

Hospital General Universitario Doctor Balmis

Alicante, Spain

Hospital Universitario De Cruces

Barakaldo, Spain

Hospital Clinico Universitario - Virgen De La Arrixaca

El Palmar, Spain

ICO Girona - Hospital Doctor Josep Trueta

Girona, Spain

Hospital Universitario Virgen De Las Nieves

Granada, Spain

Hospital Universitario Clinico San Cecilio

Granada, Spain

ICO L'Hospitalet - Hospital Duran i Reynals

L'Hospitalet de Llobregat, Spain

Hospital Universitari Arnau De Vilanova

Lleida, Spain

Hospital Universitario 12 De Octubre

Madrid, Spain

Hospitales HM Sanchinarro-CIOCC

Madrid, Spain

Althaia Xarxa Assistencial Universitaria De Manresa Fundacio Privada

Manresa, Spain

Hospital Universitari Son Espases

Palma de Mallorca, Spain

Hospital Universitario de Navarra

Pamplona, Spain

Hospital Sant Joan de Reus

Reus, Spain

Hospital Quironsalud Sagrado Corazon

Seville, Spain

University Hospital Virgen del Rocio

Seville, Spain

Hospital Universitario Virgen De La Macarena

Seville, Spain

Hospital Clinico Universitario De Valencia

Valencia, Spain

Hospital Universitario Y Politecnico La Fe

Valencia, Spain

Sodra Alvsborgs Sjukhus - Vastra Gotalandsregionen

Borås, Sweden

Karolinska University Hospital, location Solna

Stockholm, Sweden

Kantonsspital Frauenfeld- Breast Unit Thurgau

Frauenfeld, Switzerland

Buergerspital Solothurn -Brustzentrum

Solothurn, Switzerland

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NCT05512364