A Study Comparing Tarlatamab, Durvalumab, Carboplatin, and Etoposide Versus Durvalumab, Carboplatin, and Etoposide in First-line Extensive Stage Small-Cell Lung Cancer (ES-SCLC)
DeLLphi-312
A Phase 3, Open Label, Multicenter, Randomized Study of First Line Tarlatamab in Combination With Durvalumab, Carboplatin and Etoposide Versus Durvalumab, Carboplatin and Etoposide in Untreated Extensive Stage Small-Cell Lung Cancer (DeLLphi-312)
1 other identifier
interventional
330
25 countries
156
Brief Summary
The main objective of the study is to compare the efficacy of tarlatamab in combination with durvalumab, carboplatin and etoposide to the combination of durvalumab, carboplatin and etoposide on prolonging overall survival (OS).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Aug 2025
Typical duration for phase_3
156 active sites
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
May 27, 2025
CompletedFirst Posted
Study publicly available on registry
June 5, 2025
CompletedStudy Start
First participant enrolled
August 18, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 4, 2029
ExpectedStudy Completion
Last participant's last visit for all outcomes
July 15, 2029
June 12, 2026
June 1, 2026
3.4 years
May 27, 2025
June 10, 2026
Conditions
Outcome Measures
Primary Outcomes (2)
Overall Survival (OS)
Up to approximately 3.5 years
Progression free survival (PFS) (Blinded Independent Central Review [BICR] Assessed)
Up to approximately 3.5 years
Secondary Outcomes (12)
PFS (Investigator Assessed)
Up to approximately 4 years
Objective Response (OR)
Up to approximately 4 years
Disease Control
Up to approximately 4 years
Duration of Response (DOR)
Up to approximately 4 years
PFS Rate
6 months, 1 year, and 2 years
- +7 more secondary outcomes
Study Arms (2)
Tarlatamab + Durvalumab + Carboplatin + Etoposide
EXPERIMENTALParticipants will receive tarlatamab in combination with durvalumab, carboplatin and etoposide for 4 cycles followed by tarlatamab and durvalumab.
Durvalumab + Carboplatin + Etoposide
ACTIVE COMPARATORParticipants will receive durvalumab, carboplatin and etoposide for 4 cycles followed by durvalumab.
Interventions
Tarlatamab will be administered as an intravenous (IV) infusion.
Durvalumab will be administered as an IV infusion.
Carboplatin will be administered as an IV infusion.
Etoposide will be administered as an IV infusion.
Eligibility Criteria
You may qualify if:
- Participant has provided informed consent before initiation of any study-specific activities/procedures.
- Age ≥ 18 years or ≥ legal age within the country if it is older than 18 years.
- Histologically or cytologically documented ES-SCLC (American Joint Committee on Cancer, 2017, Stage IV SCLC \[T any, N any, M1 a/b/c\]), or T3 to T4 due to multiple lung nodules that are too extensive or have tumor/nodal volume that is too large to be encompassed in a tolerable radiation plan.
- Measurable disease as defined per RECIST 1.1.
- Suitable to receive carboplatin, etoposide and durvalumab regimen as first-line treatment per investigator clinical assessment.
- Minimum life expectancy ≥ 12 weeks.
You may not qualify if:
- Participants can have no history of other malignancy in the last 2 years.
- Any symptomatic central nervous system (CNS) metastases, or leptomeningeal disease.
- They will have no history of severe or life-threatening events to immune-mediated therapy.
- History of arterial thrombosis (eg, stroke or transient ischemic attack) within 6 months prior to first dose of study treatment.
- They will have no active autoimmune or inflammatory disorders.
- Presence of active human immunodeficiency virus (HIV) or active Hepatitis (B/C) infection.
- Evidence or interstitial lung disease (ILD) or active, non-infectious pneumonitis.
- History of solid organ transplant.
- They will not have had a myocardial infarction and/or symptomatic congestive heart failure (New York Heart Association \> class II) within 6 months prior to first dose of study treatment.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Amgenlead
- AstraZenecacollaborator
Study Sites (158)
Cancer and Blood Specialists of Arizona
Casa Grande, Arizona, 85222, United States
City of Hope Cancer Center Phoenix
Goodyear, Arizona, 85338, United States
Genesis Cancer Center
Hot Springs, Arkansas, 71913, United States
Saint Bernards Medical Center
Jonesboro, Arkansas, 72401, United States
Translational Research in Oncology US Inc, Trio Central Pharmacy
Los Angeles, California, 90095, United States
University of California Los Angeles
Santa Monica, California, 90404, United States
Presbyterian Intercommunity Hospital Health Whitter Hospital
Whittier, California, 90602, United States
Colorado West Healthcare System dba Grand Valley Oncology
Grand Junction, Colorado, 81505, United States
Yale New Haven Hospital
New Haven, Connecticut, 06510, United States
Eastern Connecticut Hematology and Oncology Associates
Norwich, Connecticut, 06360, United States
Cancer Specialists of North Florida - Southpoint
Jacksonville, Florida, 32256, United States
Orlando Health Cancer Institute
Kissimmee, Florida, 34744, United States
City of Hope Atlanta
Newnan, Georgia, 30265, United States
University of Illinois Chicago
Chicago, Illinois, 60612, United States
Cancer Care Specialists of Illinois
Decatur, Illinois, 62526, United States
Midwestern Regional Medical Center dba City of Hope Chicago
Rockford, Illinois, 61108, United States
Indiana University Melvin and Bren Simon Cancer Center
Indianapolis, Indiana, 46202, United States
Hematology Oncology of Indiana
Indianapolis, Indiana, 46260, United States
Cancer Center of Kansas, Heritage Plaza Medical Building
Wichita, Kansas, 67214, United States
New England Cancer Specialists
Westbrook, Maine, 04092, United States
Dana Farber Cancer Institute
Boston, Massachusetts, 02215, United States
Minnesota Oncology Hematology PA
Edina, Minnesota, 55435, United States
Allina Health System dba Allina Health Cancer Institute
Minneapolis, Minnesota, 55407, United States
Mayo Clinic
Rochester, Minnesota, 55905, United States
Cancer Partners of Nebraska
Lincoln, Nebraska, 68516, United States
Nebraska Cancer Specialists
Omaha, Nebraska, 68130, United States
New York Oncology Hematology PC
Albany, New York, 12206, United States
New York Cancer and Blood Specialists
Shirley, New York, 11967, United States
Oncology Hematology Care, Inc
Cincinnati, Ohio, 45242, United States
University Hospitals Cleveland Medical Center
Cleveland, Ohio, 44106, United States
Willamette Valley Cancer Institute and Research Center - Eugene
Eugene, Oregon, 97401, United States
Kaiser Permanente Medical Center
Portland, Oregon, 97227, United States
Baptist Cancer Center
Memphis, Tennessee, 38120, United States
United States Oncology Regulatory Affairs Corporate Office
Nashville, Tennessee, 37203, United States
Texas Oncology - Dallas Fort Worth
Dallas, Texas, 75246, United States
Oncology Consultants
Houston, Texas, 77030, United States
US Oncology Research Investigational Products Center
Irving, Texas, 75063, United States
University of Texas Health Science Center at Tyler
Tyler, Texas, 75701, United States
Texas Oncology Northeast Texas
Tyler, Texas, 75702, United States
Virginia Cancer Specialists PC
Fairfax, Virginia, 22031, United States
Virginia Oncology Associates
Norfolk, Virginia, 23502, United States
Swedish Cancer Institute Medical Oncology
Seattle, Washington, 98104, United States
Northwest Medical Specialties, PLLC
Tacoma, Washington, 98405, United States
West Virginia University Health Sciences Center
Morgantown, West Virginia, 26506, United States
Cemic
Ciudad Autonoma de Buenos Aires, Buenos Aires, C1431FWO, Argentina
Hospital Universitario Austral
Pilar, Buenos Aires, B1629ODT, Argentina
Sanatorio Parque SA
Rosario, Santa Fe Province, 2000, Argentina
Chris OBrien Lifehouse
Camperdown, New South Wales, 2050, Australia
Monash Medical Centre
Clayton, Victoria, 3168, Australia
Medizinische Universitaet Graz
Graz, 8036, Austria
Universitaetsklinikum Krems
Krems, 3500, Austria
Jessa Ziekenhuis - Campus Virga Jesse
Hasselt, 3500, Belgium
Universitair Ziekenhuis Leuven - Campus Gasthuisberg
Leuven, 3000, Belgium
AZ Delta Campus Rumbeke
Roeselare, 8800, Belgium
Centre Hospitalier Universitaire-Universite Catholique de Louvain Namur-Site Godinne
Yvoir, 5530, Belgium
Cenantron Centro Avançado de Tratamento Oncologico Ltda
Belo Horizonte, Minas Gerais, 30130-090, Brazil
Liga Norte-Riograndense Contra O Cancer
Natal, Rio Grande do Norte, 59062-000, Brazil
Hospital Sao Lucas da Pontificia Universidade Catolica do Rio Grande do Sul
Porto Alegre, Rio Grande do Sul, 90610-000, Brazil
Fund Faculdade Regional Med Sao Jose Rio Preto
São José do Rio Preto, São Paulo, 15090-000, Brazil
Centro de Pesquisa do Hospital Albert Einstein
São Paulo, São Paulo, 05652-900, Brazil
Beijing Cancer Hospital
Beijing, Beijing Municipality, 100080, China
The Second Attached Hospital Of Fujian Medical University
Quanzhou, Fujian, 362002, China
Harbin Medical University Cancer Hospital
Harbin, Heilongjiang, 150000, China
Jiamusi Cancer Hospital
Jiamusi, Heilongjiang, 154007, China
Henan Cancer Hospital
Zhengzhou, Henan, 450003, China
Jiangxi Cancer hospital
Nanchang, Jiangxi, 330029, China
The First Affiliated Hospital of Nanchang University
Nanchang, Jiangxi, 330209, China
Shandong Cancer Hospital
Jinan, Shandong, 250117, China
Shanghai Chest Hospital
Shanghai, Shanghai Municipality, 200030, China
Shanghai Pulmonary Hospital
Shanghai, Shanghai Municipality, 200433, China
Shanxi Provincial Cancer Hospital
Taiyuan, Shanxi, 030009, China
West China Hospital of Sichuan University
Chengdu, Sichuan, 611135, China
Tianjin Cancer Hospital
Tianjin, Tianjin Municipality, 300060, China
Tianjin Peoples Hospital
Tianjin, Tianjin Municipality, 300121, China
The First Affiliated Hospital Of Ningbo University
Ningbo, Zhejiang, 315010, China
Beijing Cancer Hospital
Beijing, 100142, China
Fujian Cancer Hospital
Fuzhou, 350011, China
Rigshospitalet
Copenhagen, 2100, Denmark
Regionshospitalet Godstrup
Herning, 7400, Denmark
Centre Hospitalier Intercommunal de Creteil
Créteil, 94010, France
Centre Leon Berard
Lyon, 69008, France
Centre Hospitalier Universitaire Nord
Marseille, 13915, France
Institut Curie
Paris, 75005, France
Centre Hospitalier Universitaire de Nantes - Hopital Nord Laennec
Saint-Herblain, 44800, France
Hopital d instruction des armees sainte anne
Toulon, 83800, France
Centre Hospitalier Universitaire de Toulouse - Hopital Larrey
Toulouse, 31059, France
Klinikum Chemnitz GmbH
Chemnitz, 09113, Germany
Krankenhaus Koeln-Merheim - Kliniken der Stadt Koeln gGmbH
Cologne, 51109, Germany
Universitaetsklinikum Dresden
Dresden, 01307, Germany
Universitaetsklinikum Essen
Essen, 45147, Germany
Krankenhaus Nordwest
Frankfurt am Main, 60488, Germany
Asklepios Fachkliniken Muenchen Gauting
Gauting, 82130, Germany
LungenClinic Grosshansdorf GmbH
Großhansdorf, 22927, Germany
Universitaetsklinikum Schleswig-Holstein - Kiel
Kiel, 24105, Germany
Universitaetsklinikum Schleswig-Holstein - Luebeck
Lübeck, 23538, Germany
Universitaetsklinikum Wuerzburg
Würzburg, 97078, Germany
Henry Dunant Hospital Center
Athens, 11526, Greece
Alexandra Hospital
Athens, 11528, Greece
European Interbalkan Medical Center
Thessaloniki, 57001, Greece
Iatriko Diavalkaniko Thessalonikis
Thessaloniki, 57001, Greece
Queen Mary Hospital, The University of Hong Kong
Hong Kong, Hong Kong
Prince of Wales Hospital, Chinese University of Hong Kong
Shatin, New Territories, Hong Kong
Matrai Gyogyintezet
Gyöngyös, 3200, Hungary
Reformatus Pulmonologiai Centrum
Törökbálint, 2045, Hungary
Meir Medical Center
Kfar Saba, 4428164, Israel
Rabin Medical Center
Petah Tikva, 4941492, Israel
IRCCS Istituto Tumori Giovanni Paolo II
Bari, 70124, Italy
Humanitas Gavazzeni
Bergamo, 24125, Italy
Istituto Romagnolo per lo Studio dei Tumori Dino Amadori
Meldola (FC), 47014, Italy
IRCCS Istituto Oncologico Europeo
Milan, 20141, Italy
Azienda Ospedaliera San Giovanni Addolorata
Roma, 00184, Italy
Centro Ricerche Cliniche Di Verona Societa responsabilita limitata
Verona, 37126, Italy
National Hospital Organization Shikoku Cancer Center
Matsuyama, Ehime, 791-0280, Japan
Kyushu University Hospital
Fukuoka, Fukuoka, 812-8582, Japan
Kurume University Hospital
Kurume-shi, Fukuoka, 830-0011, Japan
National Hospital Organization Hokkaido Cancer Center
Sapporo, Hokkaido, 003-0804, Japan
Hyogo Cancer Center
Akashi-shi, Hyōgo, 673-8558, Japan
Niigata Cancer Center Hospital
Niigata, Niigata, 951-8566, Japan
Okayama University Hospital
Okayama, Okayama-ken, 700-8558, Japan
Kansai Medical University Hospital
Hirakata-shi, Osaka, 573-1191, Japan
Osaka International Cancer Institute
Osaka, Osaka, 541-8567, Japan
Kindai University Hospital
Sakai-shi, Osaka, 590-0197, Japan
Saitama Medical University International Medical Center
Hidaka-shi, Saitama, 350-1298, Japan
Shizuoka Cancer Center
Sunto-gun, Shizuoka, 411-8777, Japan
Wakayama Medical University Hospital
Wakayama, Wakayama, 641-8510, Japan
Health Pharma Professional Research SA de CV
Mexico City, Mexico City, 03100, Mexico
Universitair Medisch Centrum Groningen
Groningen, 9713 GZ, Netherlands
Maastricht Universitair Medisch Centrum
Maastricht, 6229 HX, Netherlands
Erasmus Medisch Centrum
Rotterdam, 3015 GD, Netherlands
Centrum Pulmonologii i Torakochirurgii w Bystrej
Bystra, 43-360, Poland
Uniwersyteckie Centrum Kliniczne
Gdansk, 80-214, Poland
Instytut Gruzlicy i Chorob Pluc
Warsaw, 01-138, Poland
Hospital Cuf Tejo
Lisbon, 1350-352, Portugal
Hospital da Luz, SA
Lisbon, 1500-650, Portugal
Unidade Local de Saude de Matosinhos, EPE - Hospital Pedro Hispano
Matosinhos Municipality, 4464-513, Portugal
Institutul Oncologic Prof Dr Ion Chiricuta Cluj-Napoca
Cluj-Napoca, 400015, Romania
Chungbuk National University Hospital
Cheongju Chungbuk, 28644, South Korea
National Cancer Center
Goyang-si Gyeonggi-do, 10408, South Korea
Severance Hospital Yonsei University Health System
Seoul, 03722, South Korea
Hospital Regional Universitario de Malaga
Málaga, Andalusia, 29010, Spain
Hospital Universitari Vall d Hebron
Barcelona, Catalonia, 08035, Spain
Hospital Clinic i Provincial de Barcelona
Barcelona, Catalonia, 08036, Spain
Hospital de la Santa Creu i Sant Pau
Barcelona, Catalonia, 08041, Spain
Hospital Universitario Puerta de Hierro Majadahonda
Majadahonda, Madrid, 28222, Spain
Hospital Universitari i Politecnic La Fe
Valencia, Valencia, 46026, Spain
Hospital Universitario Ramon y Cajal
Madrid, 28034, Spain
Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
Universitaetsspital Basel
Basel, 4052, Switzerland
Kantonsspital Graubuenden
Chur, 7000, Switzerland
Hopitaux universitaires de Geneve
Geneva, 1211, Switzerland
National Cheng Kung University Hospital
Tainan, 70403, Taiwan
Taipei Veterans General Hospital
Taipei, 11217, Taiwan
Memorial Ankara Hastanesi
Ankara, 06520, Turkey (Türkiye)
Ankara Bilkent Sehir Hastanesi
Ankara, 06800, Turkey (Türkiye)
Bagcilar Medipol Mega Universite Hastanesi
Istanbul, 34214, Turkey (Türkiye)
Goztepe Prof Dr Suleyman Yalcin Sehir Hastanesi
Istanbul, 34722, Turkey (Türkiye)
Ege Universitesi Tip Fakultesi Hastanesi
Izmir, 35100, Turkey (Türkiye)
Sakarya Egitim ve Arastirma Hastanesi
Sakarya, 54290, Turkey (Türkiye)
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
MD
Amgen
Central Study Contacts
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
May 27, 2025
First Posted
June 5, 2025
Study Start
August 18, 2025
Primary Completion (Estimated)
January 4, 2029
Study Completion (Estimated)
July 15, 2029
Last Updated
June 12, 2026
Record last verified: 2026-06
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP, ICF, CSR
- Time Frame
- Data sharing requests relating to this study will be considered beginning 18 months after the study has ended and either 1) the product and indication have been granted marketing authorization in both the US and Europe or 2) clinical development for the product and/or indication discontinues and the data will not be submitted to regulatory authorities. There is no end date for eligibility to submit a data sharing request for this study.
- Access Criteria
- Qualified researchers may submit a request containing the research objectives, the Amgen product(s) and Amgen study/studies in scope, endpoints/outcomes of interest, statistical analysis plan, data requirements, publication plan, and qualifications of the researcher(s). In general, Amgen does not grant external requests for individual patient data for the purpose of re-evaluating safety and efficacy issues already addressed in the product labelling. Requests are reviewed by a committee of internal advisors. If not approved, a Data Sharing Independent Review Panel will arbitrate and make the final decision. Upon approval, information necessary to address the research question will be provided under the terms of a data sharing agreement. This may include anonymized individual patient data and/or available supporting documents, containing fragments of analysis code where provided in analysis specifications. Further details are available at the URL below.
De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request.