Phase 1b/2 Study of LDRT in Combination With AK104 Plus Chemotherapy as First-line Treatment for ES-SCLC

NCT06477523 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE1/PHASE2 · Type: INTERVENTIONAL · Enrollment: 57

Last updated 2026-04-29

No results posted yet for this study

Summary

Phase Ib/II, open-label, multicentre study to evaluate the efficacy and safety of low-dose radiotherapy (LDRT) combined with AK104 and chemotherapy as first-line treatment for patients with ES-SCLC.

Conditions

  • SCLC, Extensive Stage

Interventions

DRUG

AK104

IV infusion

DRUG

Etoposide

Etoposide intravenous infusion was administered at a dose of 100 mg/m\^2 on Days 1, 2, and 3 of each 21-day cycle during the induction phase (Cycles 1-4).

DRUG

Carboplatin

Carboplatin intravenous infusion to achieve an initial target AUC of 5 mg/mL/min was administered on Day 1 of each 21-day cycle during the induction phase (Cycles 1-4).

RADIATION

low-dose radiotherapy

The subjects will receive LDRT, from C1D1-C1D5, once a day for 3Gy, until the target dose of 15Gy is achieved (Cycles 1). LDRT treatment for primary/mediastinal positive lymph nodes/metastatic lesions during maintenance therapy (C1D1-C1D5, 15Gy).

Sponsors & Collaborators

  • Sichuan University

    lead OTHER

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-05-16
Primary Completion
2026-12-31
Completion
2027-12-31

Countries

  • China

Study Locations

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Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06477523 on ClinicalTrials.gov