Subcutaneous Tarlatamab in Participants With Extensive Stage Small Cell Lung Cancer (DeLLphi-308)

NCT ID: NCT06598306

Last Updated: 2025-12-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

220 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-10-07

Study Completion Date

2030-03-27

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The primary objective of this study is to evaluate the safety and tolerability of subcutaneous (SC) tarlatamab.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Extensive Stage Small Cell Lung Cancer

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Part 1 Dose Exploration

Tarlatamab will be administered as a SC injection in Part 1.

Group Type EXPERIMENTAL

Tarlatamab

Intervention Type DRUG

Administered by SC injection.

Part 2 Dose Expansion

Following the selection of a SC dosing regimen in Part 1, tarlatamab will be administered in Part 2 at the dose deemed safe and tolerable in Part 1.

Group Type EXPERIMENTAL

Tarlatamab

Intervention Type DRUG

Administered by SC injection.

Part 3 Alternative Dosing

Following the selection of a SC dosing regimen from Part 1 that will be used in Part 2 dose expansion, Part 3 may open to test alternative dosing of SC tarlatamab.

Group Type EXPERIMENTAL

Tarlatamab

Intervention Type DRUG

Administered by SC injection.

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Tarlatamab

Administered by SC injection.

Intervention Type DRUG

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

AMG 757 Imdelltra

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Participants ≥ 18 years of age (or ≥ legal adult age within country if it is older than 18 years) at time of signing informed consent.
* Participants with histologically or cytologically confirmed ES-SCLC that progressed or recurred following at least one line of platinum-based anti-cancer therapy for SCLC.

Note: Participants with prior treatment for LS-SCLC should have also received another regimen for their recurrent, ES-SCLC disease.

* Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) of 0 or 1.
* Participants must have adequate organ function (cardiac, pulmonary, kidney, and liver).
* Participants must be able to have SC injections administered in the abdomen.
* Participants without measurable disease or tumor tissue (fresh biopsy or archival) available may be permitted after discussion with and approval by Amgen Medical Monitor.

Exclusion Criteria

* Participants that have received prior DLL3 targeted therapy.
* Participants with untreated or symptomatic brain metastases or those requiring therapy with steroids.
* Note: Participants with asymptomatic brain metastatic lesions are allowed following definitive treatment (Amgen Medical Monitor may approve untreated, asymptomatic brain metastasis if local therapy is not required per investigator judgment).
* Participants with leptomeningeal disease.
* Participants with baseline oxygen requirement.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

BeOne Medicines

INDUSTRY

Sponsor Role collaborator

Amgen

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

MD

Role: STUDY_DIRECTOR

Amgen

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

University of Southern California, Norris Comprehensive Cancer Center

Los Angeles, California, United States

Site Status RECRUITING

University of Illinois Chicago

Chicago, Illinois, United States

Site Status RECRUITING

Trinity Health Saint Joseph Mercy Ann Arbor

Ann Arbor, Michigan, United States

Site Status RECRUITING

Avera Cancer Institute

Sioux Falls, South Dakota, United States

Site Status RECRUITING

University of Texas MD Anderson Cancer Center

Houston, Texas, United States

Site Status RECRUITING

Swedish Cancer Institute

Seattle, Washington, United States

Site Status RECRUITING

Chris OBrien Lifehouse

Camperdown, New South Wales, Australia

Site Status RECRUITING

Calvary Mater Newcastle Hospital

Waratah, New South Wales, Australia

Site Status RECRUITING

The Alfred Hospital

Melbourne, Victoria, Australia

Site Status RECRUITING

Universitair Ziekenhuis Gent

Ghent, , Belgium

Site Status RECRUITING

Universitair Ziekenhuis Leuven - Campus Gasthuisberg

Leuven, , Belgium

Site Status RECRUITING

Centre Hospitalier Universitaire de Liege - Sart Tilman

Liège, , Belgium

Site Status RECRUITING

Shanghai Pulmonary Hospital

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

Universitaetsklinikum Regensburg

Regensburg, , Germany

Site Status RECRUITING

Universitaetsklinikum Wuerzburg

Würzburg, , Germany

Site Status RECRUITING

Okayama University Hospital

Okayama, Okayama-ken, Japan

Site Status RECRUITING

Wakayama Medical University Hospital

Wakayama, , Japan

Site Status RECRUITING

Uniwersyteckie Centrum Kliniczne

Gdansk, , Poland

Site Status RECRUITING

Instytut Centrum Zdrowia Matki Polki

Lodz, , Poland

Site Status RECRUITING

Wojewodzki Szpital im Sw Ojca Pio w Przemyslu

Przemyśl, , Poland

Site Status RECRUITING

Hospital Regional Universitario de Malaga

Málaga, Andalusia, Spain

Site Status RECRUITING

Hospital Universitari Vall d Hebron

Barcelona, Catalonia, Spain

Site Status RECRUITING

Hospital Universitari i Politecnic La Fe

Valencia, Valencia, Spain

Site Status RECRUITING

Hospital Universitario 12 de Octubre

Madrid, , Spain

Site Status RECRUITING

Kantonsspital Graubuenden

Chur, , Switzerland

Site Status RECRUITING

Freiburg Spital

Fribourg, , Switzerland

Site Status RECRUITING

Kantonsspital Winterthur

Winterthur, , Switzerland

Site Status RECRUITING

Adana Sehir Egitim ve Arastirma Hastanesi

Adana, , Turkey (Türkiye)

Site Status RECRUITING

Ankara Bilkent Sehir Hastanesi

Ankara, , Turkey (Türkiye)

Site Status RECRUITING

Koc Universitesi Hastanesi

Istanbul, , Turkey (Türkiye)

Site Status RECRUITING

Countries

Review the countries where the study has at least one active or historical site.

United States Australia Belgium China Germany Japan Poland Spain Switzerland Turkey (Türkiye)

Central Contacts

Reach out to these primary contacts for questions about participation or study logistics.

Amgen Call Center

Role: CONTACT

866-572-6436

Related Links

Access external resources that provide additional context or updates about the study.

http://www.amgentrials.com

AmgenTrials clinical trials website

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

20230298

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Talazoparib and Thoracic RT for ES-SCLC
NCT04170946 RECRUITING PHASE1