RecruitingPhase 3NCT07218146

A Study of ZL-1310 Versus Investigator's Choice of Therapy in Participants With Relapsed Small Cell Lung Cancer (DLLEVATE)

A Randomized, Open-Label, Phase 3 Study of ZL-1310, a DLL3 Antibody-Drug Conjugate (ADC), Compared to Investigator's Choice Therapy in Participants With Relapsed Small Cell Lung Cancer


Sponsor

Zai Lab (Shanghai) Co., Ltd.

Enrollment

480 participants

Start Date

Nov 30, 2025

Study Type

INTERVENTIONAL

Summary

The purpose of this study is to evaluate the efficacy and safety of ZL-1310 compared to Investigator's Choice Therapy in participants with relapsed Small Cell Lung Cancer.


Eligibility

Min Age: 18 Years

Inclusion Criteria10

  • Age \>/= 18 years, or considered an adult by local regulations, at the time of consent
  • Signed informed consent
  • Histologically or cytologically confirmed SCLC. Received 1L platinum-based systemic therapy and had documented disease progression during or after the most recent systemic therapy. Or received 2L tarlatamab is allowed.
  • Measurable disease according to RECIST v1.1 as assessed by the investigator.
  • Participants with a history of treated and stable or untreated and asymptomatic CNS metastases based on criteria per protocol.
  • Adequate organ and marrow function
  • Eastern Cooperative Group (ECOG) performance status of 0 or 1
  • Life expectancy of at least 3 months
  • Participants must be willing to undergo a tumor biopsy or provide archived tumor tissue sample at Screening
  • Participants must be willing and able to comply with protocol for the duration of the study

Exclusion Criteria10

  • Received more than one line of systemic therapy for Extensive-Stage SCLC.
  • Received any prior ADC with topoisomerase 1 inhibitor payload
  • Participants with another known malignancy with exceptions defined in the protocol.
  • History or suspected ILD/pneumonitis based on criteria per protocol
  • Clinically severe pulmonary compromise resulting from intercurrent pulmonary illnesses.
  • Receipt of anti-cancer treatment known to treat cancers within 3 weeks before the first dose of study treatment.
  • Prior radiotherapy before study treatment based on criteria per protocol
  • Unresolved toxicity of Grade \>/= 2 from previous anti-cancer treatment, except for alopecia and skin pigmentation.
  • Known infection or active infection defined in the protocol.
  • Clinically significant active cardiovascular disease or history of arterial thromboembolic event within 6 months prior to the first dose of study treatment based on criteria per protocol.

Interventions

DRUGZL-1310

ZL-1310 as a single-agent

DRUGInvestigator's Choice of Therapy

Topotecan, Lurbinectedin, or Amrubicin


Locations(14)

Zai Lab Site 02045

Clermont, Florida, United States

Zai Lab Site 02031

Orange City, Florida, United States

Zai Lab Site 02020

Rockledge, Florida, United States

Zai Lab Site 02026

Sarasota, Florida, United States

Zai Lab Site 02021

Peoria, Illinois, United States

Zai Lab Site 02049

Peoria, Illinois, United States

Zai Lab Site 02041

Louisville, Kentucky, United States

Zai Lab Site 02003

Bethesda, Maryland, United States

Zai Lab Site 02023

Columbia, Missouri, United States

Zai Lab Site 02035

Broomall, Pennsylvania, United States

Zai Lab Site 02019

Media, Pennsylvania, United States

Zai Lab Site 02036

Nashville, Tennessee, United States

Zai Lab Site 02025

Odessa, Texas, United States

Zai Lab Site 02006

Fairfax, Virginia, United States

View Full Details on ClinicalTrials.gov

For the most up-to-date information, visit the official listing.

Visit

NCT07218146