A Study of Tarlatamab and AB248 for Extensive Stage Small Cell Lung Cancer

This study is testing two drugs, tarlatamab and AB248, in combination for people with extensive stage small cell lung cancer (ES-SCLC) that has progressed after at least one previous treatment. Researchers want to understand how safe this combination is and what dose works best. Tarlatamab and AB248 are given through an IV. This study is looking for people aged 18 to 90 years old. The main goals are to see how many participants experience side effects and to find the best dose of the drugs. The study is currently recruiting about 380 participants.

Study design
This interventional study plans to enroll 380 participants. It is testing the safety and tolerability of two drugs in combination.
What's involved
Not specified in the trial record.
Compensation
Not stated in the trial record.
Follow-up
The study will track treatment-emergent adverse events (side effects) for up to 2.5 years. Dose-limiting toxicities will be measured for up to 35 days.

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NCT07037758

A Study of Tarlatamab in Combination With AB248 in Participants With Extensive Stage Small Cell Lung Cancer (DeLLphi-311)

Recruiting
PHASE1Ages 18–90InterventionalTreatment
Amgen
~380 participants
Updated 2026-05-29 on ClinicalTrials.gov
What's tested:TarlatamabAB248

At a glance

Recruiting sites
19 of 19 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Number of Participants with Treatment-emergent Adverse Events (TEAEs)
Measured over Up to 2.5 years
+1 more outcome measured
Extensive Stage Small Cell Lung Cancer
19 sites across 14 states
South Korea3
Turkey (Türkiye)3
Pennsylvania2
Arizona1
California1
Florida1
Georgia1
Kentucky1
  • MD · STUDY_DIRECTOR · Amgen

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  • Number of Participants with Treatment-emergent Adverse Events (TEAEs)Up to 2.5 years

    Clinically significant changes in vital signs and clinical laboratory tests will be reported as adverse events.

  • Dose Exploration: Number of Participants with Dose-limiting Toxicities (DLTs)Up to 35 days