NCT05296798

Brief Summary

This Phase III, randomized, two-arm, open-label, multicenter study will evaluate the efficacy and safety of giredestrant plus Phesgo compared with Phesgo after induction therapy with Phesgo plus taxane in participants with human epidermal growth factor receptor 2 (HER2)-positive, estrogen receptor (ER)-positive advanced breast cancer (metastatic or locally advanced disease not amenable to curative treatment) who have not previously received a systemic non-hormonal anti-cancer therapy in the advanced setting.

Trial Health

87
On Track

Trial Health Score

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

Strong global presence with extensive site network
Enrollment
922

participants targeted

Target at P75+ for phase_3

Timeline
57mo left

Started Jul 2022

Longer than P75 for phase_3

Geographic Reach
29 countries

206 active sites

Status
active not recruiting

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

Study Progress45%
Jul 2022Dec 2030

First Submitted

Initial submission to the registry

March 23, 2022

Completed
2 days until next milestone

First Posted

Study publicly available on registry

March 25, 2022

Completed
4 months until next milestone

Study Start

First participant enrolled

July 18, 2022

Completed
5.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 31, 2027

Expected
3.2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2030

Last Updated

April 16, 2026

Status Verified

April 1, 2026

Enrollment Period

5.3 years

First QC Date

March 23, 2022

Last Update Submit

April 15, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Progression-Free Survival, as Determined by the Investigator According to RECIST v1.1

    From randomization for maintenance therapy to the first occurrence of disease progression or death from any cause, whichever occurs first (up to 53 months)

Secondary Outcomes (12)

  • Overall Survival

    From randomization for maintenance therapy to death from any cause (up to 98 months)

  • Objective Response Rate, as Determined by the Investigator According to RECIST v1.1

    From randomization for maintenance therapy to disease progression or death (up to 53 months)

  • Duration of Response, as Determined by the Investigator According to RECIST v1.1

    From first occurrence of documented objective response after randomization for maintenance therapy to disease progression or death from any cause, whichever occurs first (up to 53 months)

  • Clinical Benefit Rate, as Determined by the Investigator According to RECIST v1.1

    From randomization for maintenance therapy to disease progression or death (up to 53 months)

  • Mean Role Functioning Score Over Time, as Assessed Using the European Organisation for Research and Treatment of Cancer Quality of Life-Core 30 (EORTC QLQ-C30) Questionnaire

    Maintenance Cycles 1 (Baseline), 3, 6, 9, 12, 15, 18, once every 6 cycles from Cycles 24 to 90 (1 cycle is 21 days), treatment discontinuation, every 6 months and every year for Follow-up Years 1-2 and 3-5, respectively (up to 8 years)

  • +7 more secondary outcomes

Study Arms (3)

Induction Therapy: Phesgo plus Taxane-Based Chemotherapy

OTHER
Drug: PhesgoDrug: DocetaxelDrug: Paclitaxel

Arm A, Maintenance Therapy: Phesgo

ACTIVE COMPARATOR
Drug: PhesgoDrug: LHRH AgonistDrug: Optional Endocrine Therapy of Investigator's Choice

Arm B, Maintenance Therapy: Giredestrant plus Phesgo

EXPERIMENTAL
Drug: PhesgoDrug: GiredestrantDrug: LHRH Agonist

Interventions

A luteinizing hormone-releasing hormone (LHRH) agonist will be administered every 28 days to pre- and peri-menopausal women and all male participants while receiving giredestrant in Arm B. An LHRH agonist may be administered to male participants and pre- and peri-menopausal female participants receiving tamoxifen in Arm A, and should be administered to those receiving an aromatase inhibitor in Arm A. The investigator will determine and supply the appropriate LHRH agonist locally approved for use in breast cancer. The LHRH agonist will be administered according to local prescribing information.

Arm A, Maintenance Therapy: PhesgoArm B, Maintenance Therapy: Giredestrant plus Phesgo

For participants in Arm A, optional endocrine therapy of investigator's choice is allowed based on the standard of care, and it can include an aromatase inhibitor or tamoxifen with or without an LHRH agonist, or gonadal ablation. The decision to include or exclude this option must be made prior to randomization.

Arm A, Maintenance Therapy: Phesgo

A 30 milligram (mg) capsule of giredestrant will be taken orally once a day on Days 1 to 21 of each 21-day cycle.

Also known as: GDC-9545, RO7197597, RG6171
Arm B, Maintenance Therapy: Giredestrant plus Phesgo

During the induction therapy phase, the investigator's choice of taxane-based chemotherapy (i.e., docetaxel or paclitaxel) will be administered after Phesgo. Docetaxel will be administered at 75 milligrams per metre squared of body surface area (mg/m2) intravenously over 60 (±10) minutes on Day 1 of each cycle for 4 to 8 cycles (a cycle is 21 days); this dose may be escalated to 100 mg/m2 if the initial dose was well tolerated.

Induction Therapy: Phesgo plus Taxane-Based Chemotherapy

During the induction therapy phase, the investigator's choice of taxane-based chemotherapy (i.e., docetaxel or paclitaxel) will be administered after Phesgo. Paclitaxel will be administered at 80 milligrams per metre squared of body surface area (mg/m2) intravenously over a minimum of 1 hour on Days 1, 8, and 15 of each cycle for 4 to 8 cycles (a cycle is 21 days); this weekly regimen is considered as one complete cycle whenever 3 weekly doses are given.

Induction Therapy: Phesgo plus Taxane-Based Chemotherapy
PhesgoDRUG

Phesgo will be administered subcutaneously (SC) at a fixed non-weight-based dose. In the induction therapy phase, a loading dose (1200 milligram (mg) pertuzumab, 600 mg trastuzumab, and 30,000 units of recombinant human PH20 hyaluronidase \[rHuPH20\]) will be administered in the first cycle (1 cycle is 21 days). In subsequent cycles, maintenance doses (600 mg pertuzumab, 600 mg trastuzumab, and 20,000 units rHuPH20) will be administered once every 3 weeks (Q3W).

Also known as: Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf, Pertuzumab, Trastuzumab, and rHuPH20, Fixed-Dose Combination of Pertuzumab and Trastuzumab for Subcutaneous Use (PH FDC SC), RO7198574, RG6264
Arm A, Maintenance Therapy: PhesgoArm B, Maintenance Therapy: Giredestrant plus PhesgoInduction Therapy: Phesgo plus Taxane-Based Chemotherapy

Eligibility Criteria

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

You may qualify if:

  • Histologically or cytologically confirmed and documented human epidermal growth factor receptor 2 (HER2)-positive/estrogen receptor (ER)-positive adenocarcinoma of the breast with metastatic or locally-advanced disease not amenable to curative resection
  • At least one measurable lesion and/or non-measurable disease evaluable according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1
  • Disease-free interval from completion of adjuvant or neoadjuvant systemic non-hormonal treatment to recurrence of ≥6 months
  • Eastern Cooperative Oncology Group (ECOG) Performance Status 0 or 1
  • Left ventricular ejection fraction (LVEF) of at least (≥)50% measured by echocardiogram (ECHO) or multiple-gated acquisition scan (MUGA)
  • Adequate hematologic and end-organ function
  • For women of childbearing potential: Participants who agree to remain abstinent (refrain from heterosexual intercourse) or use contraception, and agree to refrain from donating eggs, during the treatment period and for 7 months after the final dose of Phesgo
  • For men: participants who agree to remain abstinent (refrain from heterosexual intercourse) or use a condom, and agree to refrain from donating sperm, during the treatment period and for 7 months after the final dose of Phesgo to avoid exposing the embryo
  • Complete a minimum of four cycles to a maximum of eight cycles of induction therapy; the minimum cycles are defined as either: Phesgo injections + 4 docetaxel infusions, or Phesgo injections + 12 paclitaxel infusions
  • Achieve a minimum of stable disease (SD) (or Non-complete response \[CR\]/Non-progressive disease \[PD\] for participants with non-measurable disease) (i.e., did not experience PD) according to RECIST v1.1 at the last tumor assessment during the induction therapy phase
  • LVEF of ≥50% at the last assessment during the induction therapy phase

You may not qualify if:

  • Previous systemic non-hormonal anti-cancer therapy in the metastatic breast cancer (MBC) or advanced breast cancer (ABC) setting. Note: Up to one line of single-agent endocrine therapy given in the metastatic or locally advanced setting will be allowed.
  • Prior treatment with a selective estrogen receptor degrader (SERD)
  • Previous treatment with approved or investigative anti-HER2 agents in any breast cancer treatment setting, except Phesgo (or trastuzumab SC with pertuzumab IV, or pertuzumab and trastuzumab IV), single-agent trastuzumab IV or SC, ado-trastuzumab emtansine, lapatinib, and neratinib in the neoadjuvant or adjuvant setting
  • Disease progression within 6 months of receiving adjuvant anti-HER2 therapy (such as trastuzumab, with or without pertuzumab \[IV, SC, or fixed-dose combination\], or ado-trastuzumab emtansine, or neratinib)
  • Non-resolution of all acute toxic effects of prior anti-cancer therapy or surgical procedures to National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0 (NCI CTCAE v5.0) Grade 1 or better
  • History of persistent Grade ≥2 (NCI-CTC, Version 5.0) hematological toxicity resulting from previous adjuvant or neo-adjuvant therapy
  • History of exposure to the following cumulative doses of anthracyclines; Doxorubicin \>360 mg/m2; Liposomal doxorubicin \>500 mg/m2; Epirubucin \>720 mg/m2; Mitoxantrone \>120 mg/m2; Idarubicin \>90 mg/m2.
  • Known active uncontrolled or symptomatic central nervous system (CNS) metastases, carcinomatous meningitis, or leptomeningeal disease
  • Dyspnea at rest due to complications of advanced malignancy, or other disease requiring continuous oxygen therapy
  • Pregnant or breastfeeding, or intending to become pregnant during the study or within 7 months after the final dose of Phesgo (Women of childbearing potential must have a negative serum pregnancy test result within 14 days prior to initiation of induction therapy).
  • Treated with investigational therapy within 28 days prior to initiation of induction therapy
  • Treated with localized palliative radiotherapy within 14 days prior to initiation of induction therapy
  • Concurrent participation in any other therapeutic clinical trial
  • Known hypersensitivity to any of the study medications or to excipients of recombinant human or humanized antibodies
  • Current chronic daily treatment (continuous for \>3 months) with corticosteroids (dose of 10 mg/day methylprednisolone or equivalent)
  • +13 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (206)

Arizona Clinical Research Center, Inc

Tucson, Arizona, 85715, United States

Location

Los Angeles Hematology Oncology Medical Group

Los Angeles, California, 90017, United States

Location

Cancer Specialists of North Florida

Jacksonville, Florida, 32256, United States

Location

Maryland Oncology Hematology - Annapolis

Annapolis, Maryland, 21401, United States

Location

St. Joseph Mercy Hospital

Ann Arbor, Michigan, 48106, United States

Location

Henry Ford Hospital

Detroit, Michigan, 48202, United States

Location

St. Joseph Mercy Oakland

Pontiac, Michigan, 48341, United States

Location

Queens Hospital Cancer Center

Jamaica, New York, 11432, United States

Location

Clinical Research Alliance

Westbury, New York, 11590, United States

Location

West Cancer Center

Germantown, Tennessee, 38138, United States

Location

CHRISTUS Spohn Cancer Center - Shoreline

Corpus Christi, Texas, 78404, United States

Location

Texas Oncology - DFW

Dallas, Texas, 75246, United States

Location

Texas Oncology - El Paso

El Paso, Texas, 79902, United States

Location

Swedish Cancer Institute - Edmonds Campus

Edmonds, Washington, 98026, United States

Location

Swedish Cancer Institute - Issaquah

Issaquah, Washington, 98029, United States

Location

Swedish Cancer Institute

Seattle, Washington, 98104, United States

Location

Centro de Investigaciones Médicas y Desarrollo LC S.R.L

Buenos Aires, Ciudad Autónoma de BuenosAires, C1113AAE, Argentina

Location

Centro Oncologico Korben

Ciudad Autonoma Buenos Aires, C1426AGE, Argentina

Location

Centro Oncologico Riojano Integral (CORI)

La Rioja, F5300COE, Argentina

Location

Fundacion Centro Oncologico de Integracion Regional (COIR)

Mendoza, M5500AYB, Argentina

Location

Instituto de Oncología de Rosario

Rosario, S2000KZE, Argentina

Location

Hospital Provincial del Centenario

Rosario, S2002KDS, Argentina

Location

CER San Juan Centro Polivalente de Asistencia e Investigacion Clinica

San Juan, J5400DIL, Argentina

Location

GHdC Site Les Viviers

Charleroi, 6000, Belgium

Location

UZ Gent

Ghent, 9000, Belgium

Location

Jessa Zkh (Campus Virga Jesse)

Hasselt, 3500, Belgium

Location

UZ Leuven Gasthuisberg

Leuven, 3000, Belgium

Location

Clinique Ste-Elisabeth

Namur, 5000, Belgium

Location

Pronutrir - suporte nutricional e quimioterapia ltda.

Fortaleza, Ceará, 60810-180, Brazil

Location

Hospital Sao Rafael - HSR

Salvador, Estado de Bahia, 41253-190, Brazil

Location

Hospital Araujo Jorge

Goiânia, Goiás, 74605-070, Brazil

Location

Hospital do Câncer de Londrina

Londrina, Paraná, 86015-520, Brazil

Location

Hospital do Cancer de Pernambuco - HCP

Recife, Pernambuco, 50040-000, Brazil

Location

Oncosite - Centro de Pesquisa Clinica Em Oncologia Ltda

Ijuí, Rio Grande do Sul, 98700-000, Brazil

Location

Hospital Nossa Senhora da Conceicao

Porto Alegre, Rio Grande do Sul, 91350-200, Brazil

Location

Hospital de Amor Amazônia

Porto Velho, Rondônia, 76834-899, Brazil

Location

Fundação Pio XII Hospital de Câncer de Barretos

Barretos, São Paulo, 14784-400, Brazil

Location

Clinica de Pesquisa e Centro de Estudos em Oncologia Ginecologica e Mamaria Ltda

São Paulo, São Paulo, 01317-001, Brazil

Location

Affiliated Hospital of Hebei University

Baoding, 071000, China

Location

Peking University People's Hospital

Beijing, 100044, China

Location

the First Affiliated Hospital of Bengbu Medical College

Bengbu, 233000, China

Location

The First Hospital of Jilin University

Changchun, 130021, China

Location

Hunan Cancer Hospital

Changsha, 410013, China

Location

Sichuan Cancer Hospital

Chengdu, 610041, China

Location

West China Hospital - Sichuan University

Chengdu, 610047, China

Location

No. 900 Hospital (Fuzhou General Hospital)

Fuzhou, 350009, China

Location

Fujian Cancer Hospital

Fuzhou, 350014, China

Location

Zhejiang Provincial People?s Hospital

Hangzhou, 310014, China

Location

Zhejiang Cancer Hospital

Hangzhou, 310022, China

Location

Shandong Cancer Hospital

Jinan, 250117, China

Location

The First Affiliated Hospital Of Jinzhou Medical University

Jinzhou, 121001, China

Location

Yunnan Cancer Hospital

Kunming, 650118, China

Location

Jiangxi Cancer Hospital

Nanchang, 330006, China

Location

Jiangsu Cancer Hospital

Nanjing, 210009, China

Location

Jiangsu Province Hospital (the First Affiliated Hospital With Nanjing Medical University)

Nanjing, 210029, China

Location

Guangxi Cancer Hospital of Guangxi Medical University

Nanning, 530021, China

Location

The First Affiliated Hospital of China Medical University

Shenyang, 110001, China

Location

Tianjin Cancer Hospital

Tianjin, 300060, China

Location

The Tumor Hospital of Xinjiang Medical University

Ürümqi, 830000, China

Location

Union Hospital Tongji Medical College Huazhong University of Science and Technology

Wuhan, 430023, China

Location

The First Affiliated Hospital of Xian Jiao Tong University

Xi'an, 710061, China

Location

Clinica De La Costa

Barranquilla, 080020, Colombia

Location

Fundación CTIC - Centro de Tratamiento e Investigación sobre Cáncer Luis Carlos Sarmiento Angulo

Bogota, D.C., 110131, Colombia

Location

Clinica Colsanitas S.A. sede Clinica Universitaria Colombia

Bogotá, 111321, Colombia

Location

Oncomedica S.A.

Montería, 230002, Colombia

Location

Oncólogos de Occidente

Pereira, 600004, Colombia

Location

Dar El salam Cancer Centre

Cairo, Egypt

Location

National Cancer Institute- Breast Cancer Treatment & Research Hospital - 5th settlement

Cairo, Egypt

Location

Sohag Oncology Center

Cairo, Egypt

Location

Institut Sainte Catherine

Avignon, 84918, France

Location

CH de la Côte Basque - Hôpital de Bayonne

Bayonne, 64109, France

Location

CHU Besançon - Hôpital Jean Minjoz

Besançon, 25030, France

Location

Polyclinique Bordeaux Nord Aquitaine

Bordeaux, 33077, France

Location

CHU de GRENOBLE

Grenoble, 38043, France

Location

CHD Vendée

La Roche-sur-Yon, 85025, France

Location

Hopital Prive Jean Mermoz

Lyon, 69373, France

Location

INSTITUT CURIE_Site Paris

Paris, 75005, France

Location

Centre Catalan D' Oncologie

Perpignan, 66000, France

Location

Gesundheitszentrum Wetterau, Hochwaldkrankenhaus Bad Nauheim

Bad Nauheim, 61231, Germany

Location

Sozialstiftung Bamberg, Klinikum am Bruderwald, Gynäkologie

Bamberg, 96049, Germany

Location

Onkozentrum Dres. Göhler

Dresden, 01127, Germany

Location

Kliniken Essen-Mitte

Essen, 45136, Germany

Location

Universitätsklinikum Freiburg

Freiburg im Breisgau, 79106, Germany

Location

Nationales Centrum für Tumorerkrankungen (NCT)

Heidelberg, 69120, Germany

Location

Ärztehaus am Bahnhofsplatz

Hildesheim, 31134, Germany

Location

Universitätsklinikum des Saarlandes

Homburg/Saar, 66424, Germany

Location

Dres. Andreas Köhler und Roswitha Fuchs

Langen, 63225, Germany

Location

MVZ für Hämatologie und Onkologie Ravensburg GmBH

Ravensburg, 88212, Germany

Location

Caritas-Krankenhaus St. Josef

Regensburg, 93053, Germany

Location

Klinikum Mutterhaus der Borromaeerinnen gGmbH;Gynäkologie

Trier, 54290, Germany

Location

Universitätsklinik Tübingen

Tübingen, 72076, Germany

Location

Budapesti Szent Margit Korhaz

Budapest, 1032, Hungary

Location

Semmelweis Egyetem;Onkológiai Profil (Belgyógyászati és Onkológiai Klinika)

Budapest, 1082, Hungary

Location

Bekes Varmegyei Központi Korhaz, Pandy Kalman Tagkorhaz

Gyula, 5700, Hungary

Location

Somogy Varmegyei Kaposi Mor Oktato Korhaz

Kaposvár, 7400, Hungary

Location

Jasz-Nagykun-Szolnok Megyei Hetenyi Geza Korhaz-Rendelointezet

Szolnok, 5004, Hungary

Location

Komarom-Eszergom Varmegyei Szent Borbala Korhaz

Tatabánya, 2800, Hungary

Location

Manipal Hospital

Bangalore, Karnataka, 560017, India

Location

Tata Memorial Hospital

Mumbai, Maharashtra, 400012, India

Location

Sahyadri Super Specialty Hospital Hadapsar

Pune, Maharashtra, 411028, India

Location

Rajiv Gandhi Cancer Inst.&Research Center

New Delhi, National Capital Territory of Delhi, 110085, India

Location

Fortis Hospital

New Delhi, National Capital Territory of Delhi, 110088, India

Location

Netaji Subhas Chandra Bose Cancer Hospital

Kolkata, West Bengal, 700094, India

Location

TATA Medical Centre

Kolkata, West Bengal, 700156, India

Location

Azienda Ospedaliera Universitaria Federico II

Naples, Campania, 80131, Italy

Location

Istituto Nazionale Tumori Irccs Fondazione g. PASCALE

Naples, Campania, 80131, Italy

Location

Azienda Unità Sanitaria Locale di Reggio Emilia/IRCCS

Reggio Emilia, Emilia-Romagna, 42123, Italy

Location

Ospedale Infermi AUSL della Romagna

Rimini, Emilia-Romagna, 47900, Italy

Location

Policlinico Universitario Agostino Gemelli

Rome, Lazio, 00168, Italy

Location

Asst Degli Spedali Civili Di Brescia

Brescia, Lombardy, 25123, Italy

Location

Istituto Europeo Di Oncologia

Milan, Lombardy, 20141, Italy

Location

Istituto Clinico Humanitas

Rozzano, Lombardy, 20089, Italy

Location

Humanitas Centro Catanese Di Oncologia

Misterbianco (CT), Sicily, 95045, Italy

Location

Ospedale Civile

Livorno, Tuscany, 57100, Italy

Location

IOV - Istituto Oncologico Veneto - IRCCS

Padova, Veneto, 35128, Italy

Location

King Hussein Cancer Center

Amman, 1269, Jordan

Location

International Cancer Institute (ICI)

Eldoret, 30100, Kenya

Location

The Aga Khan University-Kenya.

Nairobi, 00100, Kenya

Location

Rizk Hospital

Beirut, 0, Lebanon

Location

American University of Beirut - Medical Center

Beirut, 1107 2020, Lebanon

Location

Investigacion Oncofarmaceutica

La Paz, Baja California Sur, 23040, Mexico

Location

Hospital Civil de Guadalajara Fray Antonio Alcalde

Guadalajara, Jalisco, 44280, Mexico

Location

Iem-Fucam

D.F., Mexico CITY (federal District), 04980, Mexico

Location

Health Pharma Professional Research

Mexico City, Mexico CITY (federal District), 03100, Mexico

Location

Filios Alta Medicina

Monterrey, Nuevo León, 64460, Mexico

Location

Hospital Universitario

Monterrey, Nuevo León, 64460, Mexico

Location

Hospital Zambrano Hellion TecSalud

Monterrey, Nuevo León, Mexico

Location

Cuidados oncologicos

Querétaro City, Querétaro, 76000, Mexico

Location

Oncologico Potosino

San Luis Potosí City, San Luis Potosí, 78209, Mexico

Location

Centro Estatal de Cancerologia de Chihuahua

Chihuahua City, 31000, Mexico

Location

Sultan Qaboos Comprehensive Cancer Care & Research Center

Muscat, Oman

Location

Uniwersyteckie Centrum Kliniczne, Klinika Onkologii i Radioterapii

Gdansk, 80-214, Poland

Location

Przychodnia Lekarska KOMED, Roman Karaszewski

Konin, 62-500, Poland

Location

Szpital Wojewódzki im. Miko?aja Kopernika

Koszalin, 75-581, Poland

Location

Opolskie Centrum Onkologii

Opole, 45-060, Poland

Location

Ars Medical Sp. z o. o.

Pi?a, 64-920, Poland

Location

Szpital Kliniczny im. H.Swiecickiego UM w Poznaniu

Późna, 60-355, Poland

Location

MRUKMED Lekarz Beata Madej-Mruk i Partner Spolka Partnerska Oddzial nr 1 w Rzeszowie

Rzeszów, 35-021, Poland

Location

Centrum Onkologii ? Instytut im. Marii Sk?odowskiej-Curie Klinika Nowotworów Piersi i Chirurgii

Warsaw, 02-781, Poland

Location

IPO de Coimbra

Coimbra, 3000-075, Portugal

Location

Hospital de S. Francisco Xavier

Lisbon, 1495-005, Portugal

Location

Hospital Beatriz Angelo

Loures, 2674-514, Portugal

Location

IPO do Porto

Porto, 4200-072, Portugal

Location

King Faisal Specialist Hospital & Research Centre

Riyadh, 11211, Saudi Arabia

Location

National Guard King Abdulaziz Medical City

Riyadh, 11426, Saudi Arabia

Location

King Fahad Medical City

Riyadh, 11525, Saudi Arabia

Location

Wits Donald Gordon Clinical Trial Centre

Parktown, Johannesburg, 2193, South Africa

Location

Kyungpook National University Chilgok Hospital

Daegu, 41404, South Korea

Location

National Cancer Center

Goyang-si, 10408, South Korea

Location

Severance Hospital, Yonsei University Health System

Seoul, 03722, South Korea

Location

Asan Medical Center

Seoul, 05505, South Korea

Location

Gangnam Severance Hospital

Seoul, 06273, South Korea

Location

Samsung Medical Center

Seoul, 06351, South Korea

Location

Seoul St Mary's Hospital

Seoul, 06591, South Korea

Location

Vall d'Hebron Institute of Oncology (VHIO), Barcelona

Sant Andreu de la Barca, Barcelona, 08740, Spain

Location

Complejo Hospitalario Universitario de Santiago (CHUS)

Santiago de Compostela, LA Coruna, 15706, Spain

Location

Hospital Universitario de Canarias

San Cristóbal de La Laguna, Tenerife, 38320, Spain

Location

Hospital Clínic i Provincial

Barcelona, 08036, Spain

Location

Hospital Universitario Clínico San Cecilio

Granada, 18016, Spain

Location

Hospital Juan Ramon Jimenez

Huelva, 21005, Spain

Location

Centro Oncologico MD Anderson Internacional

Madrid, 28033, Spain

Location

Hospital Universitario La Paz

Madrid, 28046, Spain

Location

Hospital Clinico Universitario Virgen de la Victoria

Málaga, 29010, Spain

Location

Hospital Arnau de Vilanova (Valencia) Servicio de Oncologia

Valencia, 46015, Spain

Location

Hospital Universitario Miguel Servet

Zaragoza, 50009, Spain

Location

Changhua Christian Hospital

Changhua, 500, Taiwan

Location

China Medical University Hospital

Taichung, 404, Taiwan

Location

National Cheng Kung University Hospital

Tainan, 00704, Taiwan

Location

National Taiwan University Hospital

Taipei, 100, Taiwan

Location

Taipei Veterans General Hospital Office of General Surgery

Taipei, 11217, Taiwan

Location

Rajavithi Hospital

Bangkok, 10400, Thailand

Location

Ramathibodi Hospital

Bangkok, 10400, Thailand

Location

Maharaj Nakorn Chiang Mai Hospital

Chiang Mai, 50200, Thailand

Location

Songklanagarind Hospital

Songkhla, 90110, Thailand

Location

Adana Baskent University Hospital

Adana, 01120, Turkey (Türkiye)

Location

Ankara Oncology Hospital

Ankara, 06200, Turkey (Türkiye)

Location

Gazi Uni Medical Faculty Hospital

Ankara, 06500, Turkey (Türkiye)

Location

Ankara City Hospital

Ankara, 06800, Turkey (Türkiye)

Location

Dicle University Faculty of Medicine

Diyarbakır, 21280, Turkey (Türkiye)

Location

Trakya Universitesi Tip Fakultesi, Medikal Onkoloji Bilim Dali, Balkan Yerleskesi

Edirne, 22030, Turkey (Türkiye)

Location

Ataturk University Medical Faculty Yakutiye Research Hospital Medical Oncology Department

Erzurum, 25240, Turkey (Türkiye)

Location

Prof. Dr. Cemil Tascioglu City Hospital

Istanbul, 34384, Turkey (Türkiye)

Location

Ac?badem Altunizade Hastanesi

Istanbul, 34662, Turkey (Türkiye)

Location

Ege Uni Medical Faculty

Izmir, 35100, Turkey (Türkiye)

Location

Izmir Ataturk Training and Research Hospital

Izmir, 35360, Turkey (Türkiye)

Location

Kocaeli University Faculty of Medicine

İzmit, 31380, Turkey (Türkiye)

Location

Erciyes Uni

Kayseri, 38039, Turkey (Türkiye)

Location

Antalya Memorial Hastanesi

Kepez, 07020, Turkey (Türkiye)

Location

Mersin City Education and Research Hospital

Mersin, 33240, Turkey (Türkiye)

Location

Ondokuz Mayis Univ. Med. Fac.

Samsun, 55139, Turkey (Türkiye)

Location

Medical Park Seyhan Hospital

Seyhan, 01140, Turkey (Türkiye)

Location

Namik Kemal Universitesi Tip Fakultesi, Medikal Onkoloji Bilim Dali, 100

Tekirdağ, 59030, Turkey (Türkiye)

Location

Uganda Cancer Institute

Kampala, 88560, Uganda

Location

Burjeel Medical City-Abu Dhabi

Abu Dhabi, United Arab Emirates

Location

Tawam Hospital

Al Ain City, 15258, United Arab Emirates

Location

Ysbyty Gwynedd Hospital

Bangor, LL57 2PW, United Kingdom

Location

Royal United Hospital

Bath, BA1 3NG, United Kingdom

Location

Blackpool Victoria Hospital

Blackpool, FY3 8NR, United Kingdom

Location

University Hospital North Tees

Cleveland, TS19 8PE, United Kingdom

Location

Charing Cross Hospital

London, W6 8RF, United Kingdom

Location

Maidstone Hospital

Maidstone, ME16 9QQ, United Kingdom

Location

Nottingham University Hospitals NHS Trust - City Hospital

Nottingham, NG5 1PB, United Kingdom

Location

Royal Preston Hosp

Preston, PR2 9HT, United Kingdom

Location

North Wales Cancer Treatment Centre, Glan Clwyd Hospital

Rhyl, LL18 5UJ, United Kingdom

Location

Singleton Hospital

Swansea, SA2 8QA, United Kingdom

Location

Royal Cornwall Hospital

Truro, TR1 3LJ, United Kingdom

Location

Related Publications (1)

  • Kuemmel S, Harper-Wynne C, Park YH, Franke F, de Laurentiis M, Schumacher-Wulf E, Eiger D, Heeson S, Cardona A, Ozyilkan O, Morales-Vasquez F, Metcalfe C, Hafner M, Restuccia E, O'Shaughnessy J. heredERA Breast Cancer: a phase III, randomized, open-label study evaluating the efficacy and safety of giredestrant plus the fixed-dose combination of pertuzumab and trastuzumab for subcutaneous injection in patients with previously untreated HER2-positive, estrogen receptor-positive locally advanced or metastatic breast cancer. BMC Cancer. 2024 May 24;24(1):641. doi: 10.1186/s12885-024-12179-9.

MeSH Terms

Conditions

Breast Neoplasms

Interventions

pertuzumabTrastuzumabInjections, SubcutaneousgiredestrantDocetaxelPaclitaxelGonadotropin-Releasing Hormone

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

Antibodies, Monoclonal, HumanizedAntibodies, MonoclonalAntibodiesImmunoglobulinsImmunoproteinsBlood ProteinsProteinsAmino Acids, Peptides, and ProteinsSerum GlobulinsGlobulinsInjectionsDrug Administration RoutesDrug TherapyTherapeuticsTaxoidsCyclodecanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsDiterpenesTerpenesPituitary Hormone-Releasing HormonesHypothalamic HormonesPeptide HormonesHormonesHormones, Hormone Substitutes, and Hormone AntagonistsNeuropeptidesPeptidesOligopeptidesNerve Tissue Proteins

Study Officials

  • Clinical Trials

    Hoffmann-La Roche

    STUDY DIRECTOR

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

March 23, 2022

First Posted

March 25, 2022

Study Start

July 18, 2022

Primary Completion (Estimated)

October 31, 2027

Study Completion (Estimated)

December 31, 2030

Last Updated

April 16, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will share

For eligible studies, qualified researchers may request access to individual patient level clinical data. See Roche's commitment to transparency of clinical study information here: https://go.roche.com/data\_sharing

Locations