NCT06731478

Brief Summary

This clinical trial is designed to assess the efficacy and safety of the triplet combination of trastuzumab deruxtecan (ENHERTU, T-DXd, DS-8201a) plus a fluoropyrimidine plus pembrolizumab versus standard of care (SoC) chemotherapy plus trastuzumab plus pembrolizumab as first-line therapy in participants with unresectable, locally advanced or metastatic HER2-positive tumor PD-L1 CPS ≥1 gastric or GEJ cancer in the Main Cohort. An Exploratory Cohort will also be evaluated to assess the efficacy and safety of T-DXd plus a fluoropyrimidine versus SoC chemotherapy plus trastuzumab in participants with unresectable, locally advanced or metastatic HER2-positive tumor PD-L1 CPS \<1 gastric or GEJ cancer.

Trial Health

88
On Track

Trial Health Score

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

Strong global presence with extensive site network
Enrollment
726

participants targeted

Target at P75+ for phase_3 gastric-cancer

Timeline
46mo left

Started Feb 2025

Geographic Reach
25 countries

245 active sites

Status
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 Progress24%
Feb 2025Feb 2030

First Submitted

Initial submission to the registry

December 9, 2024

Completed
3 days until next milestone

First Posted

Study publicly available on registry

December 12, 2024

Completed
3 months until next milestone

Study Start

First participant enrolled

February 27, 2025

Completed
3.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2028

Expected
1.7 years until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2030

Last Updated

March 16, 2026

Status Verified

March 1, 2026

Enrollment Period

3.3 years

First QC Date

December 9, 2024

Last Update Submit

March 13, 2026

Conditions

Keywords

EnhertuTrastuzumab DeruxtecanChemotherapyDS-8201aHER2 positive

Outcome Measures

Primary Outcomes (1)

  • Progression Free Survival (PFS)

    PFS is defined as the time interval from the date of randomization to the date of radiographic disease progression as assessed by blinded independent central review (BICR) based on RECIST v1.1 or death due to any cause

    From date of randomization to the date of radiographic disease progression or death due to any cause, up to 59 months

Secondary Outcomes (1)

  • Overall Survival (OS)

    From date of randomization to the date of death due to any cause, up to 59 months

Study Arms (4)

Main Cohort: Arm M1

EXPERIMENTAL

Participants will receive T-DXd plus fluoropyrimidine (5-FU or capecitabine) plus pembrolizumab

Drug: Trastuzumab DeruxtecanDrug: pembrolizumabDrug: Chemotherapy

Main Cohort: Arm M2

EXPERIMENTAL

Participants will receive Trastuzumab plus platinum-based chemotherapy (cisplatin plus 5-FU or oxaliplatin plus capecitabine) plus pembrolizumab

Drug: pembrolizumabDrug: TrastuzumabDrug: Chemotherapy

Exploratory Cohort: Arm E1

EXPERIMENTAL

Participants will receive T-DXd plus fluoropyrimidine (5-FU or capecitabine)

Drug: Trastuzumab DeruxtecanDrug: Chemotherapy

Exploratory Cohort: Arm E2

EXPERIMENTAL

Participants will receive Trastuzumab plus platinum-based chemotherapy (cisplatin plus 5-FU or oxaliplatin plus capecitabine)

Drug: TrastuzumabDrug: Chemotherapy

Interventions

T-DXd will be administered at a dose of 5.4 mg/kg intravenously (IV) every 3 weeks (Q3W)

Also known as: T-DXd, ENHERTU®, DS-8201a
Exploratory Cohort: Arm E1Main Cohort: Arm M1

Pembrolizumab will be administered at a dose of 200 mg IV Q3W

Also known as: KEYTRUDA®
Main Cohort: Arm M1Main Cohort: Arm M2

Trastuzumab will be administered at a loading dose of 8 mg/kg IV followed by 6 mg/kg IV Q3W

Exploratory Cohort: Arm E2Main Cohort: Arm M2

For Arms M1 and E1: 5-FU or capecitabine will be administered. For Arms M2 and E2: Cisplatin plus 5-FU or oxaliplatin plus capecitabine will administered.

Exploratory Cohort: Arm E1Exploratory Cohort: Arm E2Main Cohort: Arm M1Main Cohort: Arm M2

Eligibility Criteria

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

You may qualify if:

  • Sign and date the Tissue Prescreening ICF, prior to HER2 and PD-L1 CPS central testing. Sign and date the Main Screening ICF, prior to the start of any trial-specific qualification procedures. Sign and date the Optional PGx ICF (included in the Main Screening ICF) prior to any PGx procedure.
  • Adults ≥18 years of age on the day of signing the ICF. Follow local regulatory requirements if the legal age of consent for trial participation is \>18 years old.
  • Previously untreated, unresectable, locally advanced or metastatic gastric or GEJ adenocarcinoma histologically confirmed by pathology report. Prior treatment in the perioperative and/or adjuvant setting is permissible, provided there is \>6 months between the end of perioperative or neoadjuvant treatment and the diagnosis of recurrent disease.
  • Note: Prior use of IO (ie, anti-PD-1/PD-L1) therapy in the (neo)adjuvant setting is allowed as long as there is \>6 months between the end of IO therapy and the diagnosis of recurrent disease.
  • Centrally determined HER2-positive (IHC 3+ or IHC 2+/ISH-positive) gastric or GEJ cancer as classified by the American Society of Clinical Oncology-College of American Pathologists for GC on a tumor biopsy as detected by prospective central test on new (core, incisional, excisional biopsy) or existing tumor tissue taken at the time of diagnosis of locally advanced or metastatic disease.
  • Note: Archival samples taken from a previous diagnostic or surgical biopsy not previously irradiated can be accepted. Details pertaining to tumor tissue submission can be found in the Study Laboratory Manual.
  • All participants must provide a tumor sample for tissue-based IHC staining to centrally determine HER2 expression, PD-L1 CPS, and other correlatives. The mandatory FFPE tumor sample can be from either the primary tumor or metastatic biopsy. Specimens with limited tumor content (as centrally determined) and cytology samples are inadequate for defining tumor HER2 and PD-L1 status.
  • At least 1 target measurable lesion on CT or MRI, assessed by the investigator based on RECIST v1.1. Lesions situated in a previously irradiated area are considered measurable if progression has been shown in such lesions.
  • LVEF ≥50% within 28 days before randomization.

You may not qualify if:

  • Prior exposure to other HER2-targeting therapies (including ADCs).
  • Lack of physiological integrity of the upper gastrointestinal tract (ie, severe Crohn disease that results in malabsorption) or malabsorption syndrome that would preclude feasibility of oral chemotherapy (ie, capecitabine).
  • Known DPD enzyme deficiency. Note: Screening for DPD enzyme deficiency is required only in regions/countries where DPD testing is SoC and with unknown DPD status. For regions/countries where DPD testing is not SoC, local practice should be followed.
  • Contraindications to trastuzumab, 5-FU, capecitabine, cisplatin, or oxaliplatin treatment as per local label.
  • Medical history of myocardial infarction within 6 months before randomization or symptomatic CHF (New York Heart Association Class II to IV). Participants with troponin levels above ULN at Screening (as defined by the manufacturer) and without any myocardial infarction -related symptoms should have a cardiologic consultation during the Screening Period to rule out myocardial infarction.
  • Has a corrected QT interval (QTcF) prolongation to \>470 ms (females) or \>450 ms (males) based on the average of the screening triplicate 12-lead ECG.
  • Has a history of (non-infectious) ILD/pneumonitis that required steroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at Screening
  • Lung-specific intercurrent clinically significant illnesses including, but not limited to, any underlying pulmonary disorder (eg, pulmonary emboli within 3 months of the trial randomization, severe asthma, severe chronic obstructive pulmonary disease, restrictive lung disease, pleural effusion, etc).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (250)

Yale Cancer Center

New Haven, Connecticut, 06511, United States

NOT YET RECRUITING

Orchard Healthcare Research Inc.

Skokie, Illinois, 60077, United States

RECRUITING

University of Kansas Medical Center Research Institute, Inc.

Kansas City, Kansas, 66160, United States

NOT YET RECRUITING

Maryland Oncology Hematology, P.A.

Silver Spring, Maryland, 20904, United States

NOT YET RECRUITING

Tufts Medical Center

Boston, Massachusetts, 02111, United States

RECRUITING

University of Michigan Comprehensive Cancer Center Michigan Medicine

Ann Arbor, Michigan, 48109, United States

NOT YET RECRUITING

Minnesota Oncology Hematology, P.A.

Minneapolis, Minnesota, 55404, United States

WITHDRAWN

Memorial Sloan Kettering Cancer Center - MAIN

New York, New York, 10065, United States

RECRUITING

Montefiore Medical Center

The Bronx, New York, 10467, United States

RECRUITING

Providence Portland Medical Center

Portland, Oregon, 97213, United States

RECRUITING

Penn State University Milton S. Hershey Medical Center

Hershey, Pennsylvania, 17033, United States

NOT YET RECRUITING

Prisma Health Cancer Institute, ITOR, CRU

Greenville, South Carolina, 29605, United States

NOT YET RECRUITING

Tennessee Oncology Nashville Midtown

Nashville, Tennessee, 37203, United States

WITHDRAWN

UT Southwestern Medical Center

Dallas, Texas, 75235, United States

NOT YET RECRUITING

Texas Oncology, P.A. - Tyler

Tyler, Texas, 75702, United States

NOT YET RECRUITING

Virginia Oncology Associates

Norfolk, Virginia, 23502-1871, United States

NOT YET RECRUITING

Blue Ridge Cancer Care

Roanoke, Virginia, 24014, United States

NOT YET RECRUITING

Wenatchee Valley Hospital & Clinics

Wenatchee, Washington, 98801, United States

WITHDRAWN

CEMIC Ciudad Autonoma

Buenos Aires, Argentina

NOT YET RECRUITING

Instituto Medico Especializado Alexander Fleming

Buenos Aires, Argentina

NOT YET RECRUITING

Clinica Universitaria Privada Reina Fabiola

Córdoba, Argentina

RECRUITING

Centro de Investigaciones Medicas Mar del Plata

Mar del Plata, Argentina

RECRUITING

Instituto Medico de la Fundacion Estudios Clinicos

Rosario, Argentina

RECRUITING

Flinders Medical Centre

Bedford Park, Australia

RECRUITING

Monash Medical Centre Clayton

Clayton, Australia

RECRUITING

Townsville University Hospital

Douglas, Australia

RECRUITING

Peter MacCallum Cancer Centre

North Melbourne, Australia

RECRUITING

GenesisCare North Shore (Oncology)

St Leonards, Australia

RECRUITING

St John of God Subiaco Hospital

Subiaco, Australia

RECRUITING

Wollongong Hospital

Wollongong, Australia

RECRUITING

LKH - Universitaetsklinikum Graz

Graz, Austria

RECRUITING

Medizinische Universität Innsbruck

Innsbruck, Austria

NOT YET RECRUITING

Medizinische Universität Wien

Vienna, Austria

NOT YET RECRUITING

St. Josef Krankenhaus Wien

Vienna, Austria

RECRUITING

Landesklinikum Wiener Neustadt

Wiener Neustadt, Austria

NOT YET RECRUITING

Institut Jules Bordet

Anderlecht, Belgium

RECRUITING

AZ Sint-Lucas

Bruges, Belgium

RECRUITING

Cliniques Universitaires Saint-Luc

Brussels, Belgium

RECRUITING

UZ Leuven

Leuven, Belgium

RECRUITING

Centre Hospitalier Universitaire de Liege

Liège, Belgium

NOT YET RECRUITING

CHU UCL Namur

Namur, Belgium

RECRUITING

Centro de Oncologia - Unidade Brasilia - Hospital Sirio Libanes

Brasília, Brazil

RECRUITING

ICESP - Instituto do Câncer do Estado de São Paulo Octavio Frias de Oliveira Sao Paulo

Brazil, Brazil

RECRUITING

CEPON - Centro de Pesquisas Oncológicas de Santa Catarina

Florianópolis, Brazil

RECRUITING

Fundação Doutor Amaral Carvalho

Jaú, Brazil

RECRUITING

Liga Norte-Rio-Grandense Contra o Câncer

Natal, Brazil

RECRUITING

Hospital de Clínicas de Porto Alegre

Porto Alegre, Brazil

RECRUITING

Hospital São Lucas da PUCRS

Porto Alegre, Brazil

RECRUITING

IMIP - Instituto de Medicina Integral Professor Fernando Figueira

Recife, Brazil

RECRUITING

Hospital das Clínicas FMRP-USP

Ribeirão Preto, Brazil

RECRUITING

INCA - Instituto Nacional de Câncer

Rio de Janeiro, Brazil

RECRUITING

Obras Sociais Irmã Dulce - Hospital Santo Antônio

Salvador, Brazil

RECRUITING

Fundacao Faculdade Regional de Medicina de Sao Jose do Rio Preto

Sao Jose Rio Preto, Brazil

RECRUITING

Cité de la Santé de Laval

Laval, H7M 3L9, Canada

WITHDRAWN

Trillium Health Partners Credit Valley Hospital

Mississauga, L5M 2N1, Canada

NOT YET RECRUITING

St. Mary's Hospital

Montreal, H3T 1M5, Canada

NOT YET RECRUITING

CHUS - Hôtel-Dieu

Sherbrooke, Canada

NOT YET RECRUITING

Mount Sinai Hospital

Toronto, M5G 1X5, Canada

NOT YET RECRUITING

Mount Sinai Hospital

Toronto, M5G 1X5, Canada

WITHDRAWN

Sunnybrook Health Sciences Centre

Toronto, Canada

NOT YET RECRUITING

University Health Network - Princess Margaret Cancer Centre

Toronto, Canada

NOT YET RECRUITING

Biocenter

Concepción, Chile

RECRUITING

URUMED Spa

Rancagua, Chile

RECRUITING

Centro de Investigacion del Maule

Region Del Maule, Chile

RECRUITING

Centro de Estudios Clinicos SAGA

Santiago, Chile

RECRUITING

FALP - Fundación Arturo López Pérez

Santiago, Chile

RECRUITING

Hospital Clinico Universidad de Chile

Santiago, Chile

NOT YET RECRUITING

Beijing Cancer Hospital

Beijing, 100142, China

RECRUITING

Peking University Third Hospital

Beijing, 100191, China

RECRUITING

The First People's Hospital of Changzhou

Changzhou, China

NOT YET RECRUITING

Fujian Cancer Hospital

Fuzhou, China

RECRUITING

Sir Run Run Shaw Hospital, Zhejiang University School of Medicine

Hangzhou, China

RECRUITING

The First Affiliated Hospital of Zhejiang University school of medicine

Hangzhou, China

RECRUITING

Harbin Medical University Cancer Hospital

Harbin, China

RECRUITING

Anhui Provincial Cancer Hospital

Hefei, China

RECRUITING

Shandong Cancer Hospital

Jinan, China

RECRUITING

Gansu Provincial Cancer Hospital

Lanzhou, China

RECRUITING

Lanzhou University Second Hospital

Lanzhou, China

NOT YET RECRUITING

Linyi Cancer Hospital

Linyi, China

RECRUITING

Meizhou People's Hospital

Meizhou, China

RECRUITING

Liaoning Cancer Hospital & Institute

Shenyang, China

RECRUITING

The Second Affiliated Hospital of Soochow University

Suzhou, China

RECRUITING

Shanxi Provincial Cancer Hospital

Taiyuan, China

RECRUITING

Shanxi Provincial People's Hospital

Taiyuan, China

RECRUITING

Tianjin Medical University Cancer Institute & Hospital

Tianjin, China

RECRUITING

The Affiliated Cancer Hospital of Xinjiang Medical university

Ürümqi, China

RECRUITING

Hubei Cancer Hospital

Wuhan, 430079, China

RECRUITING

Wuxi 4th People's Hospital

Wuxi, China

RECRUITING

The First Affiliated Hospital of Xian Jiaotong University

Xi'an, China

RECRUITING

The First Affiliated Hospital of Xiamen University

Xiamen, China

NOT YET RECRUITING

Fudan University Shanghai Cancer Center

Xuhui District, China

RECRUITING

Xuzhou Central Hospital

Xuzhou, China

RECRUITING

General Hospital of Ningxia Medical University

Yinchuan, China

RECRUITING

The First Affiliated Hospital of Zhengzhou University

Zhengzhou, China

NOT YET RECRUITING

Masarykuv onkologicky ustav

Brno, Czechia

RECRUITING

Fakultni nemocnice Hradec Kralove

Hradec Králové, Czechia

RECRUITING

Fakultni nemocnice Olomouc

Olomouc, Czechia

RECRUITING

Fakultni nemocnice v Motole

Prague, Czechia

RECRUITING

Institut Sainte Catherine

Avignon, France

RECRUITING

CHU de Brest - Hopital de la Cavale Blanche

Brest, France

RECRUITING

Centre Georges François Leclerc

Dijon, France

RECRUITING

CHU Grenoble - Hopital Michallon

Grenoble, France

RECRUITING

Centre Oscar Lambret

Lille, France

RECRUITING

Hopital Prive Jean Mermoz

Lyon, France

RECRUITING

CHU Montpellier, Saint Eloi

Montpellier, France

RECRUITING

Chru De Nantes Hotel-Dieu

Nantes, France

RECRUITING

Hôpital Européen Georges Pompidou

Paris, France

RECRUITING

Hôpital Saint-Antoine

Paris, France

RECRUITING

Institut Mutualiste Montsouris

Paris, France

RECRUITING

CHU Bordeaux - Hôpital Haut-Lévêque

Pessac, France

RECRUITING

CHU Poitiers - Hôpital la Milétrie

Poitiers, France

RECRUITING

Institut de Cancérologie de Strasbourg Europe - ICANS

Strasbourg, France

RECRUITING

Hôpital Foch

Suresnes, France

RECRUITING

Hopital Rangueil

Toulouse, France

RECRUITING

Charité Universitätsmedizin Berlin - Campus Virchow-Klinikum

Berlin, Germany

NOT YET RECRUITING

Vivantes Klinikum im Friedrichshain

Berlin, Germany

RECRUITING

Klinikum Chemnitz gGmbH

Chemnitz, Germany

RECRUITING

Universitaetsklinikum Carl Gustav Carus TU Dresden

Dresden, Germany

RECRUITING

Universitaetsklinikum Frankfurt Goethe-Universitaet

Frankfurt am Main, Germany

RECRUITING

Universitaetsklinikum Hamburg-Eppendorf

Hamburg, Germany

RECRUITING

Universitaetsklinikum Heidelberg

Heidelberg, Germany

RECRUITING

Universitaetsklinikum Leipzig AoeR

Leipzig, Germany

RECRUITING

Klinikum rechts der Isar der TU Muenchen

München, Germany

NOT YET RECRUITING

Presidio Ospedaliero Garibaldi Nesima

Catania, Italy

RECRUITING

Azienda Ospedaliera Universitaria Careggi

Florenze, Italy

RECRUITING

IRCCS Ospedale Policlinico San Martino

Genova, Italy

RECRUITING

Azienda Socio Sanitaria Territoriale Niguarda (Grande Ospedale Metropolitano Niguarda)

Milan, Italy

NOT YET RECRUITING

Fondazione IRCCS Istituto Nazionale dei Tumori

Milan, Italy

RECRUITING

Ospedale San Raffaele

Milan, Italy

RECRUITING

A.O.U. Policlinico di Modena

Modena, Italy

NOT YET RECRUITING

Azienda Ospedaliera Universitaria- Università degli Studi della Campania "Luigi Vanvitelli"

Naples, Italy

RECRUITING

IOV - Istituto Oncologico Veneto IRCCS

Padua, Italy

RECRUITING

Azienda Ospedaliero Universitaria Pisana

Pisa, Italy

RECRUITING

Azienda Unità Sanitaria Locale- Ravenna

Ravenna, Italy

RECRUITING

Fondazione Policlinico Universitario Agostino Gemelli IRCCS

Rome, Italy

RECRUITING

Istituto Clinico Humanitas

Rozzano, Italy

RECRUITING

IRCCS Ospedale Casa Sollievo della Sofferenza

San Giovanni Rotondo, Italy

RECRUITING

Azienda Ospedaliero-Universitaria Città della Salute e della Scienza di Torino

Torino, Italy

NOT YET RECRUITING

Azienda Ospedaliera Card. G. Panico

Tricase, Italy

RECRUITING

Tokyo Metropolitan Cancer and Infectious diseases Center Komagome Hospital

Bunkyō City, Japan

RECRUITING

National Cancer Center Hospital

Chūōku, Japan

RECRUITING

Gifu University Hospital

Gifu, Japan

RECRUITING

Hiroshima City Hiroshima Citizens Hospital

Hiroshima, Japan

RECRUITING

National Cancer Center Hospital East

Kashiwa-shi, Japan

RECRUITING

JCHO Kyushu Hospital

Kitakyushu, 806-0034, Japan

RECRUITING

Kochi Health Sciences Center

Kochi, Japan

RECRUITING

Cancer Institute Hospital of JFCR

Kōtoku, 135-8550, Japan

RECRUITING

NHO Shikoku Cancer Center

Matsuyama, 791-0280, Japan

RECRUITING

Aichi Cancer Center Hospital

Nagoya, Japan

RECRUITING

Miyagi Cancer Center

Natori-shi, Japan

RECRUITING

Niigata Cancer Center Hospital

Niigata, 951-8566, Japan

RECRUITING

Osaka International Cancer Institute

Osaka, 541-8567, Japan

RECRUITING

Kindai University Hospital

Osakasayama-shi, 589-8511, Japan

RECRUITING

Hokkaido University Hospital

Sapporo, 060-8648, Japan

RECRUITING

Osaka University Hospital

Suita-shi, 565-0871, Japan

RECRUITING

Kanagawa Cancer Center

Yokohama, 241-8515, Japan

RECRUITING

Antoni van Leeuwenhoek

Amsterdam, Netherlands

RECRUITING

Medisch Centrum Leeuwarden

Leeuwarden, Netherlands

RECRUITING

Radboudumc

Nijmegen, Netherlands

RECRUITING

Erasmus Medisch Centrum

Rotterdam, Netherlands

RECRUITING

ETZ Elisabeth

Tilburg, Netherlands

NOT YET RECRUITING

UMC Utrecht

Utrecht, Netherlands

RECRUITING

Haukeland University Hospital

Bergen, Norway

RECRUITING

Akershus universitetssykehus HF

Lørenskog, Norway

RECRUITING

Oslo Universitetssykehus HF, Ullevål

Oslo, Norway

RECRUITING

St. Olavs Hospital Hf, Universitetssykehuset i Trondheim

Trondheim, Norway

RECRUITING

Beskidzkie Centrum Onkologii im.Jana Pawla II

Bielsko-Biala, Poland

RECRUITING

Szpital Wojewodzki im. Mikolaja Kopernika

Koszalin, Poland

NOT YET RECRUITING

Wielkopolskie Centrum Onkologii

Poznan, Poland

RECRUITING

Narodowy Instytut Onkologii im. Marii Sklodowskiej Curie Panstwowy Instytut Badawczy W Warszawie

Warsaw, Poland

RECRUITING

Warszawski Uniwersytet Medyczny

Warsaw, Poland

NOT YET RECRUITING

Hospital de Braga

Braga, Portugal

RECRUITING

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

Guimarães, Portugal

RECRUITING

Fundação Champalimaud

Lisbon, Portugal

NOT YET RECRUITING

Hospital da Luz

Lisbon, Portugal

RECRUITING

Unidade Local de Saúde de Santa Maria, E.P.E. - Hospital de Santa Maria

Lisbon, Portugal

NOT YET RECRUITING

Instituto Português de Oncologia do Porto Francisco Gentil, EPE

Porto, Portugal

RECRUITING

Institutul Clinic Fundeni

Bucharest, Romania

RECRUITING

Institutul Oncologic "Prof. Dr. Ion Chiricuta" Cluj Napoca

Cluj-Napoca, Romania

RECRUITING

S.C Medisprof S.R.L

Cluj-Napoca, Romania

RECRUITING

Centrul de Oncologie Sfantul Nectarie Craiova

Craiova, Romania

RECRUITING

Institutul Regional de Oncologie Iasi

Iași, Romania

RECRUITING

S.C Ovidius Clinical Hospital S.R.L

Ovidiu, Romania

RECRUITING

S.C. Sigmedical Services SRL

Suceava, Romania

RECRUITING

Chungbuk National University Hospital

Cheongju-si, South Korea

RECRUITING

Kyungpook National University Chilgok Hospital

Daegu, South Korea

RECRUITING

National Cancer Center

Goyang-si, South Korea

RECRUITING

Chonnam National University Hwasun Hospital

Hwasun-gun, 58128, South Korea

RECRUITING

Gachon University Gil Medical Center

Incheon, 21565, South Korea

RECRUITING

Jeonbuk national university hospital

Jeonju, 54907, South Korea

RECRUITING

Seoul National University Bundang Hospital

Seongnam, 13620, South Korea

RECRUITING

CHA Bundang Medical Center, CHA University

Seongnam-si, South Korea

RECRUITING

Korea University Anam Hospital

Seoul, 2841, South Korea

RECRUITING

Seoul National University Hospital

Seoul, 3080, South Korea

RECRUITING

Severance Hospital, Yonsei University Health System

Seoul, 3722, South Korea

RECRUITING

Asan Medical Center

Seoul, 5505, South Korea

RECRUITING

Samsung Medical Center

Seoul, 6351, South Korea

RECRUITING

The Catholic University of Korea, Seoul St. Mary's Hospital

Seoul, South Korea

RECRUITING

ICO Badalona - Hospital Universitari Germans Trias i Pujol

Badalona, Spain

NOT YET RECRUITING

Hospital Clinic de Barcelona

Barcelona, Spain

RECRUITING

Hospital del Mar

Barcelona, Spain

RECRUITING

Hospital Universitari Vall d'Hebron

Barcelona, Spain

RECRUITING

Hospital Universitario Reina Sofia

Córdoba, Spain

RECRUITING

Hospital General Universitario de Elche

Elche, Spain

RECRUITING

ICO l'Hospitalet - Hospital Duran i Reynals

L'Hospitalet de Llobregat, Spain

NOT YET RECRUITING

Hospital General Universitario Gregorio Marañon

Madrid, Spain

NOT YET RECRUITING

Hospital Universitario La Paz

Madrid, Spain

RECRUITING

Hospital Universitario Ramon y Cajal

Madrid, Spain

RECRUITING

MD Anderson Cancer Centre

Madrid, Spain

RECRUITING

Hospital Regional Universitario de Malaga

Málaga, Spain

RECRUITING

Hospital General Universitario Morales Meseguer

Murcia, Spain

RECRUITING

Hospital Universitario Central de Asturias

Oviedo, Spain

NOT YET RECRUITING

Hospital Universitario de Navarra

Pamplona, Spain

RECRUITING

Hospital Universitario Virgen del Rocio

Seville, Spain

RECRUITING

Hospital Clinico Universitario de Valencia

Valencia, Spain

RECRUITING

Kaohsiung Chang Gung Memorial Hospital

Kaohsiung City, Taiwan

RECRUITING

National Cheng Kung University Hospital

Tainan, Taiwan

RECRUITING

Taipei Veterans General Hospital

Taipei, 112201, Taiwan

RECRUITING

National Taiwan University Hospital

Taipei, Taiwan

RECRUITING

Chang Gung Memorial Hospital,Linkou

Taoyuan, 333, Taiwan

RECRUITING

Siriraj Hospital

Bangkoknoi, Thailand

RECRUITING

Vajira Hospital

Dusit, Thailand

RECRUITING

Songklanagarind Hospital

Hat Yai, Thailand

RECRUITING

Chulabhorn Hospital

Laksi, Thailand

RECRUITING

King Chulalongkorn Memorial Hospital

Pathum Wan, Thailand

RECRUITING

Medical Park Seyhan Hospital

Adana, Turkey (Türkiye)

RECRUITING

Ankara City Hospital

Ankara, Turkey (Türkiye)

NOT YET RECRUITING

Dr. Abdurrahman Yurtaslan Oncology Teaching and Research Hospital

Ankara, Turkey (Türkiye)

RECRUITING

Hacettepe University Medical Faculty

Ankara, Turkey (Türkiye)

RECRUITING

Dicle University, Medical faculty

Diyarbakır, Turkey (Türkiye)

RECRUITING

Ataturk University Medical Faculty

Erzurum, Turkey (Türkiye)

RECRUITING

Goztepe Prof. Dr. Suleyman Yalcin City Hospital

Istanbul, Turkey (Türkiye)

RECRUITING

Medipol University Medical Faculty

Istanbul, Turkey (Türkiye)

NOT YET RECRUITING

İ.E.Ü. Medicalpoint İzmir Hastanesi

Izmir, Turkey (Türkiye)

NOT YET RECRUITING

Medical Park Samsun Hastanesi

Samsun, Turkey (Türkiye)

NOT YET RECRUITING

Queen Elizabeth Hospital

Birmingham, United Kingdom

NOT YET RECRUITING

Velindre Cancer Centre

Cardiff, United Kingdom

NOT YET RECRUITING

Ninewells Hospital

Dundee, United Kingdom

RECRUITING

Castle Hill Hospital

Hull, United Kingdom

RECRUITING

St James's University Hospital

Leeds, United Kingdom

NOT YET RECRUITING

Sarah Cannon Research Institute UK

London, United Kingdom

RECRUITING

University College London Hospitals

London, United Kingdom

RECRUITING

Altnagelvin Area Hospital

Londonderry, United Kingdom

NOT YET RECRUITING

The Christie Hospital

Manchester, United Kingdom

RECRUITING

Royal Marsden Hospital

Sutton, United Kingdom

RECRUITING

Hanoi Oncology hospital

Hanoi, Vietnam

NOT YET RECRUITING

National Cancer Hospital

Hanoi, Vietnam

NOT YET RECRUITING

Cho Ray Hospital

Ho Chi Minh City, Vietnam

NOT YET RECRUITING

HCMC Oncology Hospital

Ho Chi Minh City, Vietnam

NOT YET RECRUITING

HCMC University Medical Center

HoChiMinh, Vietnam

NOT YET RECRUITING

MeSH Terms

Conditions

Stomach Neoplasms

Interventions

trastuzumab deruxtecanpembrolizumabTrastuzumabDrug Therapy

Condition Hierarchy (Ancestors)

Gastrointestinal NeoplasmsDigestive System NeoplasmsNeoplasms by SiteNeoplasmsDigestive System DiseasesGastrointestinal DiseasesStomach Diseases

Intervention Hierarchy (Ancestors)

Antibodies, Monoclonal, HumanizedAntibodies, MonoclonalAntibodiesImmunoglobulinsImmunoproteinsBlood ProteinsProteinsAmino Acids, Peptides, and ProteinsSerum GlobulinsGlobulinsTherapeutics

Central Study Contacts

Contact for Trial Information

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Masking Details
This is an open-label study.
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 9, 2024

First Posted

December 12, 2024

Study Start

February 27, 2025

Primary Completion (Estimated)

June 1, 2028

Study Completion (Estimated)

February 1, 2030

Last Updated

March 16, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will share

De-identified individual participant data (IPD) on completed studies and applicable supporting clinical trial documents may be available upon request at https://vivli.org/. In cases where clinical trial data and supporting documents are provided pursuant to our company policies and procedures, Daiichi Sankyo will continue to protect the privacy of our clinical trial participants. Details on data sharing criteria and the procedure for requesting access can be found at this web address: https://vivli.org/ourmember/daiichi-sankyo/

Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
Completed studies that has reached a global end or completion with all data set collected and analyzed, and for which the medicine and indication have received European Union (EU) and United States (US), and/or Japan (JP) marketing approval on or after 01 January 2014 or by the US or EU or JP Health Authorities when regulatory submissions in all regions are not planned and after the primary study results have been accepted for publication.
Access Criteria
Formal request from qualified scientific and medical researchers on IPD and clinical study documents on completed clinical trials supporting products submitted and licensed in the United States, the European Union and/or Japan from 01 January 2014 and beyond for the purpose of conducting legitimate research. This must be consistent with the principle of safeguarding study participants' privacy and consistent with provision of informed consent.
More information

Locations