NCT03778931

Brief Summary

This Phase 3 clinical study compares the efficacy and safety of elacestrant to the standard of care (SoC) options of fulvestrant or an aromatase inhibitor (AI) in women and men with breast cancer whose disease has advanced on at least one endocrine therapy including a CDK4/6 inhibitor in combination with fulvestrant or an aromatase inhibitor (AI).

Trial Health

98
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Strong global presence with extensive site network
Enrollment
478

participants targeted

Target at P50-P75 for phase_3 breast-cancer

Timeline
Completed

Started May 2019

Geographic Reach
16 countries

240 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 3, 2018

Completed
16 days until next milestone

First Posted

Study publicly available on registry

December 19, 2018

Completed
5 months until next milestone

Study Start

First participant enrolled

May 10, 2019

Completed
2.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 24, 2021

Completed
2.3 years until next milestone

Results Posted

Study results publicly available

December 5, 2023

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 22, 2024

Completed
Last Updated

September 15, 2025

Status Verified

August 1, 2025

Enrollment Period

2.3 years

First QC Date

December 3, 2018

Results QC Date

March 20, 2023

Last Update Submit

August 22, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Progression-free Survival in ESR1-mut Participants

    Progression-free survival based on blinded IRC assessment in ESR1-mut participants defined as the length of time from randomization until the date of objective disease progression per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) as assessed by the blinded IRC or death from any cause. Progression is defined per RECIST v1.1 as a 20% increase in the sum of the longest diameter of target lesions, or a measurable increase in a non-target lesion, or the appearance of new lesions.

    From Date of Randomization until Disease Progression or Death Due to Any Cause (up to 12 Months)

  • Progression-free Survival in All Participants

    Progression-free survival based on blinded imaging review committee (IRC) assessment in all (ESR1-mut and ESR1-wt) participants.

    From Date of Randomization until Disease Progression or Death Due to Any Cause (up to 12 Months)

Secondary Outcomes (2)

  • Overall Survival in ESR1-mut Participants

    From Date of Randomization until Death Due to Any Cause (Estimated up to 24 Months)

  • Overall Survival in All Participants

    From Date of Randomization until Death Due to Any Cause (Estimated up to 24 Months)

Study Arms (2)

Elacestrant

EXPERIMENTAL

Participants in Arm 1 will receive elacestrant.

Drug: Elacestrant

Standard of Care (SoC)

ACTIVE COMPARATOR

Participants in Arm 2 will receive investigator's choice of one of the standard-of-care drugs (fulvestrant, anastrozole, letrozole, or exemestane).

Drug: Standard of Care

Interventions

400 mg/day once daily oral dosing

Also known as: RAD1901, ORSERDU
Elacestrant

* Fulvestrant: 500 mg administered intramuscularly (IM) into the buttocks as two 5 mL injections on C1D1, C1D15 and C2D1 and Day 1 of every subsequent 28-day cycle * Anastrozole 1 mg/day on a continuous dosing schedule * Letrozole: 2.5 mg/day on a continuous dosing schedule * Exemestane: 25 mg/day on a continuous dosing schedule

Also known as: Faslodex, Arimidex, Femara, Aromasin
Standard of Care (SoC)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participants with proven diagnosis of adenocarcinoma of the breast with evidence of either locally advanced disease not amenable to resection or radiation therapy with curative intent or metastatic disease not amenable to curative therapy.
  • Participants must be appropriate candidates for endocrine monotherapy
  • Participants must have measurable disease or bone only disease with evaluable lesions
  • Female or male participants age ≥ 18 years; female participants must be postmenopausal women, and male participants must not allow pregnancy with their sperm (abstain, do not donate sperm, et cetera).
  • Participants must have ER+ and HER2- tumor status
  • Participants must have previously received at least one and no more than two lines of endocrine therapy for advanced/metastatic breast cancer and meet additional previous treatment criteria.
  • Participants must have received prior treatment with a CDK4/6 inhibitor in combination with either fulvestrant or an aromatase inhibitor (AI) for advanced/metastatic breast cancer (mBC).
  • Participants may have received no more than one line of chemotherapy in the advanced/metastatic setting.

You may not qualify if:

  • Prior treatment with elacestrant or other investigational selective estrogen receptor degrader (SERD) or ER antagonist (D-0502, GDC-0810, GDC-0927, GDC-9545, G1T-48, LSZ102, AZD9496, SAR439859, ZN-c5, H3B-6545, bazedoxifene, lasofoxifene).
  • Prior anticancer or investigational drug treatment within the following windows:
  • Fulvestrant treatment \< 42 days before first dose of study drug
  • Any endocrine therapy \< 14 days before first dose of study drug
  • Chemotherapy \< 21 days before first dose of study drug
  • Any investigational anti-cancer drug therapy \< 28 days or five half-lives (whichever is shorter) before the first dose of study drug. Enrollment of participants whose most recent therapy was an investigational agent should be discussed with the Sponsor
  • Bisphosphonates or RANKL inhibitors initiated or dose changed \< 3 months prior to first dose of study drug
  • Presence of symptomatic visceral disease as defined in protocol.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (244)

The University of Arizona Cancer Center

Tucson, Arizona, 85724, United States

Location

St Bernard's Cancer Care

Jonesboro, Arkansas, 72401, United States

Location

St. Jude Heritage Healthcare

Fullerton, California, 92835, United States

Location

Adventist Health Glendale

Glendale, California, 91206, United States

Location

Moores Cancer Center at UC San Diego Health

La Jolla, California, 92093, United States

Location

Keck Hospital of USC-Norris Healthcare (HC3), Investigational Drug Service (IDS)

Los Angeles, California, 90033, United States

Location

Keck Medical Center of USC

Los Angeles, California, 90033, United States

Location

USC IDS Pharmacy

Los Angeles, California, 90033, United States

Location

UCLA Hematology/Oncology

Los Angeles, California, 90095, United States

Location

UCLA West Medical Pharmacy 159

Los Angeles, California, 90095, United States

Location

TMPN Cancer Care

Redondo Beach, California, 90277, United States

Location

UC Davis Medical Center, Investigational Drug Service

Sacramento, California, 95817, United States

Location

UCSF Medical Center

San Francisco, California, 94115, United States

Location

Ridley-Tree Cancer Center

Santa Barbara, California, 93105, United States

Location

Anschutz Cancer Center Pavilion

Aurora, Colorado, 80045, United States

Location

US Oncology - Rocky Mountain Cancer Centers - Midtown

Denver, Colorado, 80218, United States

Location

Poudre Valley Health Care, Inc. d/b/a Poudre Valley Health System

Fort Collins, Colorado, 80528, United States

Location

UCHealth Cancer Center

Fort Collins, Colorado, 80528, United States

Location

Yale Cancer Center

New Haven, Connecticut, 06511, United States

Location

MedStar Washington Hospital Center

Washington D.C., District of Columbia, 20010, United States

Location

Orlando Health Cancer Institute

Orlando, Florida, 32806, United States

Location

Moffitt Cancer Center

Tampa, Florida, 33612, United States

Location

Piedmont Cancer Institute, P.C. - Oncology

Atlanta, Georgia, 30318, United States

Location

Suburban Hematology-Oncology Associates

Lawrenceville, Georgia, 30046, United States

Location

Northwest Georgia Oncology Centers

Marietta, Georgia, 30060, United States

Location

Chicago Association for Research and Education in Science

Chicago, Illinois, 60141, United States

Location

Rush University Cancer Center

Chicago, Illinois, 60612, United States

Location

Cancer Care Center of Decatur

Decatur, Illinois, 62526, United States

Location

Joliet Oncology-Hematology Associates

Joliet, Illinois, 60435, United States

Location

Presence Medical Group Hematology Oncology

Skokie, Illinois, 60077, United States

Location

Simmons Cancer Institute

Springfield, Illinois, 62702, United States

Location

Healthcare Research Network II

Tinley Park, Illinois, 60487, United States

Location

Fort Wayne Medical Oncology And Hematology

Fort Wayne, Indiana, 46815, United States

Location

Goshen Center for Cancer Care

Goshen, Indiana, 46526, United States

Location

Hematology Oncology Of Indiana

Indianapolis, Indiana, 46260, United States

Location

Cancer Resource Centre

Munster, Indiana, 46321, United States

Location

University of Kansas Cancer Center

Westwood, Kansas, 66205, United States

Location

Norton Cancer Institute

Louisville, Kentucky, 40207, United States

Location

Pikeville Medical Center - Oncology/Hematology

Pikeville, Kentucky, 41501, United States

Location

Ochsner Medical Center

New Orleans, Louisiana, 70121, United States

Location

Highland Clinic

Shreveport, Louisiana, 71105, United States

Location

New England Cancer Specialists

Scarborough, Maine, 04074, United States

Location

The Gynecologic Oncology Center at Mercy

Baltimore, Maryland, 21202, United States

Location

Weinberg Cancer Institute at Franklin Square

Baltimore, Maryland, 21237, United States

Location

Maryland Oncology Hematology

Frederick, Maryland, 21702, United States

Location

Boston Medical Center

Boston, Massachusetts, 02111, United States

Location

Massachusetts General Hospital Cancer Center

Boston, Massachusetts, 02114, United States

Location

Mass General Cancer Center at Newton Wellesley - Oncology

Boston, Massachusetts, 02462, United States

Location

Mass General North Shore Cancer Center - Oncology

Danvers, Massachusetts, 01923, United States

Location

Karmanos Cancer Institute

Detroit, Michigan, 48201, United States

Location

Minnesota Oncology

Minneapolis, Minnesota, 55404, United States

Location

Mayo Clinic

Rochester, Minnesota, 55905, United States

Location

Jackson Oncology Associates, PLLC.

Jackson, Mississippi, 39202, United States

Location

Chub O'Reilly Cancer Center

Springfield, Missouri, 65807, United States

Location

The Fred & Pamela Buffett Cancer Center

Omaha, Nebraska, 68105, United States

Location

Precision Cancer Research

Freehold, New Jersey, 07728, United States

Location

Saint Barnabas Medical Center - Cancer Center

Livingston, New Jersey, 07039, United States

Location

The Steeplechase Cancer Center

Somerville, New Jersey, 08876, United States

Location

New Mexico Oncology Hematology Consultants - Oncology

Albuquerque, New Mexico, 87109, United States

Location

New Mexico Cancer Care Alliance

Albuquerque, New Mexico, 87131, United States

Location

New York Oncology Hematology

Albany, New York, 12206, United States

Location

Northern Westchester Hospital Cancer Center

Mount Kisco, New York, 10549, United States

Location

New York University Clinical Cancer Center

New York, New York, 10016, United States

Location

Stony Brook University

Stony Brook, New York, 11794, United States

Location

Montefiore Medical Center

The Bronx, New York, 10461, United States

Location

Oncology and Hematology of White Plains

White Plains, New York, 10601, United States

Location

Carolina Institute For Clinical Research

Fayetteville, North Carolina, 28304, United States

Location

US Oncology Network

Cincinnati, Ohio, 45242, United States

Location

University Hospitals of Cleveland

Cleveland, Ohio, 44106, United States

Location

Dayton Oncology & Hematology

Kettering, Ohio, 45409, United States

Location

Toledo Clinic Cancer Center

Toledo, Ohio, 43623, United States

Location

Oregon Health and Science University

Portland, Oregon, 97239, United States

Location

Gettysburg Cancer Center

Gettysburg, Pennsylvania, 17325, United States

Location

Pinnacle Health Cancer Institute

Harrisburg, Pennsylvania, 17109, United States

Location

Abington Hematology Oncology Associates

Willow Grove, Pennsylvania, 19090, United States

Location

Lankenau Medical Center

Wynnewood, Pennsylvania, 19096, United States

Location

Charleston Oncology

Charleston, South Carolina, 29414, United States

Location

MUSC Hollings Cancer Center

Charleston, South Carolina, 29425, United States

Location

West Cancer Center

Germantown, Tennessee, 38138, United States

Location

Brig Center For Cancer Care And Survivorship

Knoxville, Tennessee, 37909, United States

Location

Texas Oncology - Central Austin Cancer Center

Austin, Texas, 78731, United States

Location

Austin Cancer Centers

Austin, Texas, 78759, United States

Location

Elligo Health Research

Austin, Texas, 78759, United States

Location

Texas Oncology-Beaumont

Beaumont, Texas, 77702, United States

Location

Texas Oncology-Methodist Dallas Cancer Center

Dallas, Texas, 75203, United States

Location

Texas Oncology-Medical City Dallas

Dallas, Texas, 75230, United States

Location

Texas Oncology-Presbyterian Cancer Center Dallas

Dallas, Texas, 75231, United States

Location

Texas Oncology - Willowbrook

Houston, Texas, 77070, United States

Location

Texas Oncology - McAllen

McAllen, Texas, 78053, United States

Location

Texas Oncology-Mesquite

Mesquite, Texas, 75150, United States

Location

Texas Oncology-Paris

Paris, Texas, 76022, United States

Location

Texas Oncology-Plano West

Plano, Texas, 75093, United States

Location

Texas Oncology-Plano East

Plano, Texas, 80211, United States

Location

Cancer Therapy and Research Center at UTHSCSA

San Antonio, Texas, 78229, United States

Location

Renovatio Medical The Woodlands

The Woodlands, Texas, 77380, United States

Location

Texas Oncology - The Woodlands, Gynecologic Oncology

The Woodlands, Texas, 77380, United States

Location

USO Texas Oncology - Tyler

Tyler, Texas, 75702, United States

Location

Utah Cancer Specialists

Salt Lake City, Utah, 84124, United States

Location

University of Virginia Cancer Center

Charlottesville, Virginia, 22908, United States

Location

Inova Schar Cancer Institute

Fairfax, Virginia, 22031, United States

Location

Fort Belvoir Community Hospital

Fort Belvoir, Virginia, 22060, United States

Location

Benaroya Research Institute at Virginia Mason

Seattle, Washington, 98101, United States

Location

University of Wisconsin Carbone Cancer Center

Madison, Wisconsin, 53705, United States

Location

Colombia St. Mary's Medical Oncology

Milwaukee, Wisconsin, 53211, United States

Location

Clínica Pergamino S.A.

Pergamino, Buenos Aires, B2700KMP, Argentina

Location

Fundacion CENIT para la Investigación en Neurociencias - Clinic

Buenos Aires, Buenos Aires F.D., C1025ABI, Argentina

Location

Oncología en Ciudad Autónoma de Buenos Aires

Buenos Aires, Buenos Aires F.D., C1280AEB, Argentina

Location

Centro Médico Austral

Buenos Aires, Ciudad Autónoma de Buenos Aire, 1019, Argentina

Location

Oncología Médica

Rosario, Santa Fe Province, 2000, Argentina

Location

Clínica Caipo

San Miguel de Tucumán, Tucumán Province, T4000GTB, Argentina

Location

Clínica Universitaria Reina Fabiola

Córdoba, 5004, Argentina

Location

Sanatorio del Salvador

Córdoba, 5004, Argentina

Location

Fundación CORI

La Rioja, 5300, Argentina

Location

Mater Misericordiae Ltd Mater Cancer Care Centre

Brisbane, Queensland, 4101, Australia

Location

St Vincent's Hospital Melbourne

Fitzroy, Victoria, 3065, Australia

Location

Sunshine Coast University Hospital

Birtinya, 4575, Australia

Location

Macarthur Cancer Therapy

Campbelltown, 2560, Australia

Location

Department für Hämato-Onkologie - LKH Hochsteiermark

Leoben, Styria, 8700, Austria

Location

Landeskrankenhaus (LKH) Leoben-Eisenerz

Leoben, Styria, 8700, Austria

Location

Universitätsklinik Innsbruck

Innsbruck, Tyrol, 6020, Austria

Location

Abteilung für Innere Medizin IV

Wels, Upper Austria, 4600, Austria

Location

Klinikum Wels-Grieskirchen GmbH

Wels, Upper Austria, 4600, Austria

Location

AZ Klina

Brasschaat, Antwerpen, 2930, Belgium

Location

UZ Antwerpen - Oncologie

Edegem, Antwerpen, 2650, Belgium

Location

AZ Turnhout

Turnhout, Antwerpen, 2300, Belgium

Location

Institut Jules Bordet - Oncologie Médicale

Brussels, Brussels Capital, 1000, Belgium

Location

CHU Brugmann

Brussels, Brussels Capital, 1020, Belgium

Location

UZ Brussel - Campus Jette

Brussels, Brussels Capital, 1090, Belgium

Location

Cliniques Universitaires Saint-Luc - Oncology

Brussels, Brussels Capital, 1200, Belgium

Location

Grand Hôpital de Charleroi - Site Notre-Dame

Charleroi, Hainaut, 6000, Belgium

Location

INDC Entité Jolimontoise - CH de Jolimont-Lobbes

Haine-Saint-Paul, Hainaut, 7100, Belgium

Location

Centre Hospitalier de l'Ardenne - Site de Libramont

Libramont, Luxembourg, 6800, Belgium

Location

Onze-Lieve-Vrouwziekenhuis Aalst

Aalst, Oost-Vlaanderen, 9300, Belgium

Location

AZ Nikolaas - Campus Sint-Niklaas Moerland

Sint-Niklaas, Oost-Vlaanderen, 9100, Belgium

Location

Universitaire Ziekenhuizen (UZ) - Leuven Cancer Institute

Leuven, Vlaams Brabant, 3000, Belgium

Location

AZ Sint-Jan Brugge - Oostende AV - Campus Sint-Jan - Oncology

Bruges, West-Vlaanderen, 8000, Belgium

Location

AZ Groeninge

Kortrijk, West-Vlaanderen, 8500, Belgium

Location

AZ Groeninge - Campus Kennedylaan

Kortrijk, 8500, Belgium

Location

CHU UCL Namur - Site Sainte-Elisabeth

Namur, 5000, Belgium

Location

CHU UCL Namur Campus Sainte-Elisabeth

Namur, 5000, Belgium

Location

Clinique Saint Pierre

Ottignies, 1340, Belgium

Location

Oncology and Haematology Clinic - Michael Garron Hospital

East York, Ontario, M4C 3E7, Canada

Location

Pharmacie du CRCHUM

Montreal, Quebec, H2X 1R9, Canada

Location

McGill University Health Centre - Cedars Cancer Center - Oncology

Montreal, Quebec, H4A-3J1, Canada

Location

CHU de Quebec - Hopital du Saint Sacrement

Québec, G1S 4L8, Canada

Location

Vejle Sygehus

Vejle, Region Syddanmark, 7100, Denmark

Location

Næstved Sygehus

Næstved, Zeeland, 4700, Denmark

Location

Onkologisk Afdeling, Lillebælt Hospital, Vejle

Næstved, Zeeland, 4700, Denmark

Location

Aalborg Universitetshospital

Aalborg, 9100, Denmark

Location

Odense Universitetshospital - Oncology

Odense, 5000, Denmark

Location

Strasbourg Oncologie Libérale Centre de Radiothérapie

Strasbourg, Bas-Rhin, 67000, France

Location

Centre de Lutte Contre le Cancer (CLCC)

Caen, Calvados, 14076, France

Location

IUCT-Oncopole Pharmacie-Essais Cliniques

Toulouse, Haute-Garonne, 31059, France

Location

Hopital Trousseau - Service d'Oncologie Medicale

Tours, Indre-et-Loire, 37044, France

Location

Centre Oscar Lambret, Department de Cancérologie Sénologique

Lille, Nord, 59020, France

Location

Centre Jean Perrin

Clermont-Ferrand, Puy-de-Dôme, 63011, France

Location

Centre Leon Berard Oncologie Médical

Lyon, Rhône, 69008, France

Location

Hôpital Privé Jean Mermoz Département Pharmacie

Lyon, Rhône, 69008, France

Location

Centre François Baclesse Service Pharmacie

Caen, 14076, France

Location

Centre Georges Francois Leclerc

Dijon, 21079, France

Location

Institut régional du Cancer Montpellier Service pharmacie-Essais cliniques

Montpellier, 34298, France

Location

Centre DeLutte Contre Le Cancer - Institut Curie - Departement d'Oncologie Medica

Paris, 75005, France

Location

Institut de Cancérologie Lucien Neuwirth Service pharmacie-Essais cliniques

Saint-Priest-en-Jarez, 42270, France

Location

Institut Curie Saint-Cloud

Saint-Cloud, Île-de-France Region, 92210, France

Location

University General Hospital Of Patras - Dpt Of Medicine, Division Oncology

Pátrai, Achaïa, 26504, Greece

Location

Metropolitan Hospital - Oncology Unit

Athens, Attica, 18547, Greece

Location

University General Hospital of Larissa

Larissa, Larisa, 41110, Greece

Location

Bioclinic Thessaloniki

Thessaloniki, 54622, Greece

Location

Pécsi Tudományegyetem Klinikai Központ

Pécs, Baranya, 7623, Hungary

Location

Bács-Kiskun Megyei Kórház

Debrecen, Hajdú-Bihar, 4032, Hungary

Location

Debreceni Egyetem Klinikai Központ

Debrecen, Hajdú-Bihar, 7032, Hungary

Location

Jasz-Nagykun-Szolnok Megyei Hetenyi Geza Korhaz - Rendeloint

Szolnok, Jász-Nagykun-Szolnok, 5004, Hungary

Location

Szabolcs-Szatmár-Bereg Megyei Kórházak és Egyetemi Oktatókór

Nyíregyháza, Szabolcs-Szatmár-Bereg, 4400, Hungary

Location

Uzsoki Utcai Kórház

Budapest, 1145, Hungary

Location

Semmelweis Egyetem, Onkológiai Központ,

Budapest, H-1083, Hungary

Location

Országos Onkológiai Intézet

Budapest, H-1122, Hungary

Location

Bon Secours Hospital [Oncology]

Cork, Cork, Ireland

Location

Clinical Research Facility, St. James's Hospital

Dublin, D8, Ireland

Location

Beaumont Hospital Cancer Clinical Trials Unit

Dublin, D9, Ireland

Location

St Vincent's University Hospital

Dublin, DUBLIN 4, Ireland

Location

Pharmacy Aseptic Compounding Unit Level 4, Sligo University Hospital

Sligo, F91 H684, Ireland

Location

Sligo University Hospital

Sligo, F91 H684, Ireland

Location

Pharmacy, UHW

Waterford, X91 ER8E, Ireland

Location

Sharett Institute of Oncology - Hadassah Medical Center

Jerusalem, Central District, 9103102, Israel

Location

The Chaim Sheba Medical Center

Tel-Hashomer, Central District, 5265601, Israel

Location

Shaare Zedek Medical Center

Jerusalem, 9103102, Israel

Location

Hadassah MO - Oncology

Jerusalem, 9112001, Israel

Location

Meir Medical Center

Kfar Saba, 4428164, Israel

Location

Galilee Medical Center

Nahariya, 2210001, Israel

Location

Rabin Medical Center - Beilinson Hospital - Davidoff Cancer

Petah Tikva, 4941492, Israel

Location

Tel Aviv Sourasky Medical Center - Oncology

Tel Aviv, 6423906, Israel

Location

Assaf Harofeh Medical Center

Ẕerifin, 7030000, Israel

Location

Regional Cancer Center

Meldola, Forli-Cesena, 47014, Italy

Location

IRCCS Istituto Clinico Humanitas Humanitas Cancer Center

Rozzano, Milano, 20089, Italy

Location

Ospedale San Gerardo-ASST Monza

Monza, Monza E Brianza, 20900, Italy

Location

Policlinico S.Orsola Malpighi, AOU di Bologna - SSD Oncol.Med. Addarii-Zamagni

Bologna, 40138, Italy

Location

PO di Cremona, ASST di Cremona - Patologia Mammaria e Breast Unit - Cremona

Cremona, 26100, Italy

Location

DiMI, Dipartimento di Medicina interna e Specialità mediche,

Genova, 16132, Italy

Location

Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori

Meldola, 47014, Italy

Location

Azienda Ospedaliero-Universitaria Policlinico di Modena

Modena, 41100, Italy

Location

AOU Maggiore della Carità - SC Oncologia

Novara, 28100, Italy

Location

Azienda Ospedaliero-Universitaria di Parma

Parma, 43126, Italy

Location

IRCCS Policlinico San Matteo

Pavia, 27100, Italy

Location

Via G. Dottore, 1 Sc Oncologia Medica Azienda Ospedaliera di Perugia

Perugia, 06132, Italy

Location

SO S.Chiara, AOU Pisana - Oncologia 2

Pisa, 56126, Italy

Location

Policlinico Universitario Campus Bio-medico, Università Campus Bio-medico di Roma,

Roma, 00128, Italy

Location

Policlinico A. Gemelli

Roma, 00168, Italy

Location

Azienda Sanitaria Universitaria Integrata di Udine

Udine, 33100, Italy

Location

Instituto Português de Oncologia de Coimbra

Coimbra, 3000-075, Portugal

Location

Hospital Senhora da Oliveira - Guimarães, E.P.E.

Guimarães, 4835-044, Portugal

Location

Hospital da Luz

Lisbon, 1500-650, Portugal

Location

Instituto Português de Oncologia do Porto

Porto, 4200-072, Portugal

Location

Instituto Português Oncologia Francisco Gentil do Porto

Porto, 4200-072, Portugal

Location

Seoul National University Hospital

Seoul, Seoul Teugbyeolsi, 03080, South Korea

Location

National Cancer Center

Goyang, 10408, South Korea

Location

Gachon University Gil Medical Center

Incheon, 21565, South Korea

Location

Seoul National University Bundang Hospital

Seongnam-si, 13620, South Korea

Location

Korea University Anam Hospital

Seoul, 02841, South Korea

Location

Severance Hospital, Yonsei University Health System

Seoul, 03722, South Korea

Location

Asan Medical Center

Seoul, 05505, South Korea

Location

Samsung Medical Center

Seoul, 06351, South Korea

Location

Hospital General Universitario de Elche

Elche, Alicante, 03202, Spain

Location

Hospital Universitario Virgen del Rocio

Seville, Andalusia, 41013, Spain

Location

Hospital Universitario Son Espases, Servicio de Oncología

Palma de Mallorca, Balearic Islands, 07010, Spain

Location

Hospital de Dia de Oncología

San Cristóbal de La Laguna, Canary Islands, 38320, Spain

Location

Hospital Universitario de Canarias

Santa Cruz de Tenerife, Canary Islands, 38320, Spain

Location

Hospital Universitario de Fuenlabrada. Servicio de Oncología

Fuenlabrada, Madrid, 28942, Spain

Location

Hospital de Navarra

Pamplona, Navarre, 31008, Spain

Location

Hospital Xeral Álvaro Cunqueiro

Vigo, Pontevedra, 36312, Spain

Location

Hospital Clinic de Barcelona

Barcelona, 08036, Spain

Location

M.D Anderson Center Madrid

Madrid, 28033, Spain

Location

IOB Ruber Internacional

Madrid, 28034, Spain

Location

Hospital Clínico San Carlos

Madrid, 28040, Spain

Location

Servicio de Oncología Médica Edificio Materno

Madrid, 28041, Spain

Location

Hospital Universitario La Paz

Madrid, 28046, Spain

Location

Hospital Universitario Virgen de la Macarena

Seville, 41009, Spain

Location

Hospital Clínico Universitario de Valencia

Valencia, 46010, Spain

Location

Mount Vernon Cancer Centre

Northwood, England, HA6 2RN, United Kingdom

Location

University Hospital Southampton NHS Foundation Trust

Southampton, Hampshire, SO16 6YD, United Kingdom

Location

Kent Oncology Centre, Maidstone Hospital

Maidstone, Kent, ME16 9QQ, United Kingdom

Location

Taunton and Somerset NHS Trust

Taunton, Somerset, TA1 5DA, United Kingdom

Location

Velindre Cancer Centre - Oncology

Cardiff, CF14 2TL, United Kingdom

Location

University College London Hospitals

London, NW1 2PG, United Kingdom

Location

Sarah Cannon Research Institute

London, W1G 6AD, United Kingdom

Location

Related Publications (3)

  • Shah M, Lingam H, Gao X, Gittleman H, Fiero MH, Krol D, Biel N, Ricks TK, Fu W, Hamed S, Li F, Sun JJ, Fan J, Schuck R, Grimstein M, Tang L, Kalavar S, Abukhdeir A, Pathak A, Ghosh S, Bulatao I, Tilley A, Pierce WF, Mixter BD, Tang S, Pazdur R, Kluetz P, Amiri-Kordestani L. US Food and Drug Administration Approval Summary: Elacestrant for Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative, ESR1-Mutated Advanced or Metastatic Breast Cancer. J Clin Oncol. 2024 Apr 1;42(10):1193-1201. doi: 10.1200/JCO.23.02112. Epub 2024 Feb 21.

  • Bidard FC, Kaklamani VG, Neven P, Streich G, Montero AJ, Forget F, Mouret-Reynier MA, Sohn JH, Taylor D, Harnden KK, Khong H, Kocsis J, Dalenc F, Dillon PM, Babu S, Waters S, Deleu I, Garcia Saenz JA, Bria E, Cazzaniga M, Lu J, Aftimos P, Cortes J, Liu S, Tonini G, Laurent D, Habboubi N, Conlan MG, Bardia A. Elacestrant (oral selective estrogen receptor degrader) Versus Standard Endocrine Therapy for Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative Advanced Breast Cancer: Results From the Randomized Phase III EMERALD Trial. J Clin Oncol. 2022 Oct 1;40(28):3246-3256. doi: 10.1200/JCO.22.00338. Epub 2022 May 18. Erratum In: J Clin Oncol. 2023 Aug 10;41(23):3962. doi: 10.1200/JCO.23.01239.

  • Bardia A, Aftimos P, Bihani T, Anderson-Villaluz AT, Jung J, Conlan MG, Kaklamani VG. EMERALD: Phase III trial of elacestrant (RAD1901) vs endocrine therapy for previously treated ER+ advanced breast cancer. Future Oncol. 2019 Oct;15(28):3209-3218. doi: 10.2217/fon-2019-0370. Epub 2019 Aug 20.

MeSH Terms

Conditions

Breast Neoplasms

Interventions

elacestrantRAD1901Standard of CareFulvestrantAnastrozoleLetrozoleexemestane

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

Quality Indicators, Health CareQuality of Health CareHealth Services AdministrationHealth Care Quality, Access, and EvaluationEstradiolEstrenesEstranesSteroidsFused-Ring CompoundsPolycyclic CompoundsEstradiol CongenersGonadal Steroid HormonesGonadal HormonesHormonesHormones, Hormone Substitutes, and Hormone AntagonistsNitrilesOrganic ChemicalsTriazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Results Point of Contact

Title
Carlos A. Garay, MD, Senior Vice President, Clinical Development & Medical Affairs - Solid Tumors
Organization
Stemline Therapeutics, Inc.

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 3, 2018

First Posted

December 19, 2018

Study Start

May 10, 2019

Primary Completion

August 24, 2021

Study Completion

August 22, 2024

Last Updated

September 15, 2025

Results First Posted

December 5, 2023

Record last verified: 2025-08

Data Sharing

IPD Sharing
Will share

Locations