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Safety and Tolerability of LDRT+Sugemalimab+Chemotherapy+Olaparib for First-Line Treatment of SLFN-11 Positive ES-SCLC

NCT06217757 · Status: RECRUITING · Phase: PHASE1/PHASE2 · Type: INTERVENTIONAL · Enrollment: 45

Last updated 2026-05-05

No results posted yet for this study

Summary

The purpose of this study was to evaluate the safety and efficacy of low-dose radiotherapy (LDRT) combined with sugemalimab, olaparib, chemotherapy in the first-line treatment of SLFN-11 positive extensive stage small cell lung cancer.

Conditions

Interventions

DRUG

Cisplatin

Cisplatin will be administered as intravenous infusion at a dose of 25 mg/m\^2 on Days 1, 2 and 3 of each 21-day cycle during the induction phase (Cycles 1-4).

DRUG

Sugemalimab

Sugemalimab will be administered by intravenous infusion at a dose of 1200mg on Day 1 of each 21-day cycle for a maximum of 2 years or progressive disease or intolerable toxicity.

DRUG

Olaparib

Olaparib will be administered orally at a dose of 150mg qod Day 1,3,5,7 or 150 mg qd/150 mg bid/300mg in the morning and 150mg in the evening/300 mg bid on Day 1-7 of each 21-day cycle for a maximum of 2 years or progressive disease or intolerable toxicity.

RADIATION

Low-dose radiotherapy

The LDRT deals with primary tumour in a 15 Gy of 5fractions over five days, starting from Day 1 in the first cycle.

DRUG

Etoposide

Etoposide will be administered intravenously 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).

Sponsors & Collaborators

  • Sichuan University

    lead OTHER

Principal Investigators

  • You Lu, MD · West China Hospital

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

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

Timeline & Regulatory

Start
2024-04-18
Primary Completion
2027-10-31
Completion
2028-10-31

Countries

  • China

Study Locations

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Entities

Drugs
Diseases

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 NCT06217757 on ClinicalTrials.gov