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Study of Low-Dose Radiotherapy Concurrent Chemotherapy With Serplulimab for Patients With ES-SCLC

Extensive-stage Small-cell Lung Cancer Clinical Trial

Official title:
Phase II, Single-Arm Study of Low-Dose Radiotherapy (LDRT) Concurrent Cisplatin/Carboplatin Plus Etoposide With Serplulimab for Patients With Extensive-Stage Small Cell Lung Cancer

Clinical Trial Summary

This is a Phase II, single arm, multicenter study designed to evaluate the safety and efficacy of low-dose radiotherapy (LDRT) concurrent cisplatin/carboplatin plus etoposide with serplulimab in participants who have extensive-stage small cell lung cancer (ES-SCLC) and are chemotherapy-navïe for their extensive-stage disease.

Clinical Trial Description

Enrolled patients will receive the following treatment regimen: LDRT-concurrent cisplatin/carboplatin plus etoposide in combination with serplulimab. The induction period consists of 4 cycles of 21 days each. Low-dose radiotherapy at 15Gy/5f will be performed concurrently from Day 1 to Day 5 (D1-D5) of Cycle 1. An efficacy assessment will be performed at the end of Cycle 2 and one week before the start of Cycle 3. For patients with primary lung lesions (intrathoracic lesions) evaluated as small PR (tumor shrinkage < 80%)/SD/PD, low-dose radiotherapy at 15Gy/5f will be performed in addition to serplulimab with chemotherapy in Cycle 3. For subjects evaluated as PD/SD/PR with extrathoracic residual metastases, low-dose radiotherapy at 15Gy/5f will be performed in addition to serplulimab with chemotherapy in Cycle 4. Definition of extrathoracic lesions for radiotherapy: Metastases to liver, metastases to adrenals and metastases to lymph nodes (at the discretion of the investigator). After the induction period, the subjects will continue to receive maintenance treatment with serplulimab. Prophylactic cranial irradiation (PCI) is allowed for treatment according to local standard of care. Patients will be treated until loss of clinical benefit, unacceptable toxicity, withdrawal of informed consent, or death, whichever occurs first. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05765825
Study type Interventional
Source Sichuan University
Contact Zhuoran Yao, MD
Phone 13261660839
Email yaozhuoran@outlook.com
Status Recruiting
Phase Phase 2
Start date March 7, 2023
Completion date December 2025
View Details
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