Tislelizumab Combined With Chemotherapy and Thoracic Radiotherapy in ES-SCLC

April 21, 2026 updated by: Gang Jin, Second Hospital of Shanxi Medical University

Tislelizumab Plus Chemotherapy and Concurrent Thoracic Radiotherapy as First-line Therapy for Extensive-stage Small-Cell Lung Cancer (ES-SCLC): an Multicenter, Single Arm Prospective Trial

This study is a single arm, open, multicenter phase II study. The main purpose of this study was to evaluate preliminary efficacy and safety of Tislelizumab combined with thoracic radiotherapy as first line therapy for Extensive stage small cell lung cancer.

Study Overview

Study Type

Interventional

Enrollment (Estimated)

40

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

    • Shanxi
      • Jincheng, Shanxi, China, 048000
        • Recruiting
        • Jincheng General Hospital
        • Contact:
          • Xueqin Li, Dr.
          • Phone Number: +86 356 3661360
      • Jinzhong, Shanxi, China, 032000
        • Recruiting
        • Jinzhong third people's hospital
        • Contact:
          • Qian Wu, Dr.
          • Phone Number: +86 354 3532157
      • Taiyuan, Shanxi, China, 030000
        • Recruiting
        • Second Hospital of Shanxi Medical University
        • Contact:
          • Gang Jin, Dr.
          • Phone Number: +86 351 3365422
      • Taiyuan, Shanxi, China, 030000
        • Recruiting
        • Shanxi Bethune Hospital
        • Contact:
          • Huijing Feng, Dr.
          • Phone Number: +86 351 8368114
      • Taiyuan, Shanxi, China, 030000
        • Recruiting
        • Shanxi Hospital of Traditional Chinese Medicine
        • Contact:
          • Jinyang Bai, Dr.
          • Phone Number: +86 351 303009
      • Taiyuan, Shanxi, China, 030000
        • Recruiting
        • TISCO General Hospital
        • Contact:
          • Weihua Jia, Dr.
          • Phone Number: +86 351 3012448

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Patients aged between 18 to 80 years old (inclusive of 18th and 80th birthdays), male or female, at the time of signing the informed consent form;
  • Confirmed small cell lung cancer of extensive stage by histology or cytology;
  • At least one measurable lesion by imaging studies (according to RECIST 1.1) with a long diameter of ≥10 mm as examined by spiral CT or MRI;
  • Within 3 days prior to treatment, an ECOG score of 0 to 1;
  • No prior antitumor treatment for extensive stage disease (if the patient has previously received chemotherapy and/or radiotherapy in the limited stage of SCLC, the treatment intent must have been curative, and there must be at least a 6-month treatment-free interval between the end of chemotherapy, radiotherapy, or chemoradiotherapy and the diagnosis of extensive stage SCLC);
  • Expected life span of ≥3 months;
  • Good function of vital organs;
  • The subject voluntarily joins this study, signs the informed consent form, has good compliance, and cooperates with follow-up.

Exclusion Criteria:

  • Concurrent severe respiratory diseases: such as pulmonary fibrosis;
  • Presence of psychiatric disorders, hematologic diseases, autoimmune diseases, and severe primary diseases of the heart, brain, liver, or kidneys;
  • Uncontrolled active infections;
  • Known or suspected allergies to the study medication and its excipients;
  • Female patients who are pregnant or breastfeeding, or women of childbearing potential with a positive baseline pregnancy test;
  • Prior use of antitumor treatment targeting the PD-(L)1 pathway.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: ICI+EC/EP+TRT
Drug: Tislelizumab Drug: Carboplatin Drug: Etoposide Radiation: Radiation therapy Drug: Cisplatin
Tislelizumab infusion will be administered for 2 years (200mg, day1, Q3W).
Etoposide intravenous infusion will be administered during the induction phase (100mg/㎡, day1-3 Q3W for 4 cycles).
Carboplatin or Cisplatin intravenous infusion will be administered during the induction phase (Carboplatin AUC5, Q3W for 4 cycles; Cisplatin 75mg/㎡, Q3W for 4 cycles).
IMRT 30-45Gy/10-15f

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Progression-free Survival (PFS)
Time Frame: Up to 2 years
From the date of enrollment to the date of disease progression
Up to 2 years

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Objective Response Rate (ORR)
Time Frame: Up to 2 years
ORR as assessed by the Investigator according to RECIST v1.1
Up to 2 years
Disease Control Rate (DCR)
Time Frame: Up to 2 years
DCR as assessed by the Investigator according to RECIST v1.1
Up to 2 years
Overall Survival (OS)
Time Frame: Up to 2 years
From the date of enrollment until death by any cause or last follow-up
Up to 2 years
Adverse events
Time Frame: Up to 2 years
Treatment-related adverse events according to CTCAE 5.0.
Up to 2 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Gang Jin, Dr., Second Hospital of Shanxi Medical University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

August 1, 2024

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

December 31, 2026

Study Registration Dates

First Submitted

July 31, 2024

First Submitted That Met QC Criteria

July 31, 2024

First Posted (Actual)

August 5, 2024

Study Record Updates

Last Update Posted (Actual)

April 24, 2026

Last Update Submitted That Met QC Criteria

April 21, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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