A Study to Evaluate the Efficacy and Safety of Serplulimab in Combination With Chemotherapy and Concurrent Radiotherapy in Patients With Limited-Stage Small Cell Lung Cancer

NCT ID: NCT05353257

Last Updated: 2026-01-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE3

Total Enrollment

511 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-05-17

Study Completion Date

2028-05-30

Brief Summary

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This study is a randomized, double-blind, multicenter, phase III clinical study to compare the clinical efficacy and safety of Serplulimab + chemotherapy+ concurrent radiotherapy vs chemotherapy+ concurrent radiotherapy in subjects with Limited-Stage Small Cell Lung Cancer.

Detailed Description

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Eligible subjects in this study will be randomized to Arm A or Arm B at 1:1 ratio.

Arm A (Serplulimab arm): Serplulimab + chemotherapy(Carboplatin/Cisplatin-Etoposide)+concurrent radiotherapy; Arm B (placebo arm): Placebo + chemotherapy(Carboplatin/Cisplatin-Etoposide)+concurrent radiotherapy; The 4 stratification factors for randomization include: ECOG PS (0 or 1), staging (I/II or III), radiation fraction (bid or qd), and region (Asia or non-Asia).

Conditions

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Limited-Stage Small Cell Lung Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Serplulimab + carboplatin/cisplatin-etoposide + radiotherapy

Participants will receive 4 cycles of standard-of-care chemotherapy (carboplatin/cisplatin-etoposide) plus Serplulimab 300 mg every 3 weeks (Q3W) concurrently with standard thoracic radiotherapy, with maximum 1 year after completion of cCRT or until disease progression, intolerable toxicity or other reasons specified in the protocol, whichever occurs first.

Group Type EXPERIMENTAL

HLX10

Intervention Type DRUG

Serplulimab is an innovative monoclonal antibody targeting PD-1,developed by Shanghai Henlius Biotech, Inc.

300mg Q3W

carboplatin/cisplatin-etoposide

Intervention Type DRUG

Etoposide: 100 mg/m2, IV, on Days 1, 2, and 3 of each cycle. Carboplatin: AUC = 5, IV, on Day 1 of each cycle up to a dose of 750 mg. investigator's choice.

Cisplatin: 75mg/m2, IV, on Days 1 of each cycle. investigator's choice.

Thoracic radiotherapy

Intervention Type RADIATION

Standard Thoracic Radiotherapy

Prophylactic Cranial Irradiation (PCI)

Intervention Type RADIATION

PCI will be strongly recommended for participants who achieve CR or PR after completion of chemoradiation treatment.

placebo + carboplatin/cisplatin-etoposide + radiotherapy

Participants will receive 4 cycles of standard-of-care chemotherapy (carboplatin/cisplatin-etoposide) plus placebo every 3 weeks (Q3W) concurrently with standard thoracic radiotherapy, with maximum 1 year after completion of cCRT or until disease progression, intolerable toxicity or other reasons specified in the protocol, whichever occurs first.

Group Type PLACEBO_COMPARATOR

carboplatin/cisplatin-etoposide

Intervention Type DRUG

Etoposide: 100 mg/m2, IV, on Days 1, 2, and 3 of each cycle. Carboplatin: AUC = 5, IV, on Day 1 of each cycle up to a dose of 750 mg. investigator's choice.

Cisplatin: 75mg/m2, IV, on Days 1 of each cycle. investigator's choice.

Thoracic radiotherapy

Intervention Type RADIATION

Standard Thoracic Radiotherapy

Placebo

Intervention Type DRUG

Placebo Q3W

Prophylactic Cranial Irradiation (PCI)

Intervention Type RADIATION

PCI will be strongly recommended for participants who achieve CR or PR after completion of chemoradiation treatment.

Interventions

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HLX10

Serplulimab is an innovative monoclonal antibody targeting PD-1,developed by Shanghai Henlius Biotech, Inc.

300mg Q3W

Intervention Type DRUG

carboplatin/cisplatin-etoposide

Etoposide: 100 mg/m2, IV, on Days 1, 2, and 3 of each cycle. Carboplatin: AUC = 5, IV, on Day 1 of each cycle up to a dose of 750 mg. investigator's choice.

Cisplatin: 75mg/m2, IV, on Days 1 of each cycle. investigator's choice.

Intervention Type DRUG

Thoracic radiotherapy

Standard Thoracic Radiotherapy

Intervention Type RADIATION

Placebo

Placebo Q3W

Intervention Type DRUG

Prophylactic Cranial Irradiation (PCI)

PCI will be strongly recommended for participants who achieve CR or PR after completion of chemoradiation treatment.

Intervention Type RADIATION

Other Intervention Names

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Serplulimab

Eligibility Criteria

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Inclusion Criteria

1. Male or female, aged ≥18 years when signing the ICF.
2. Histologically diagnosed with SCLC.
3. Diagnosed with LS-SCLC (stage Ⅰ-Ⅲ of the AJCC 8th edition of the cancer staging), which can be safely treated with curative radiation doses.
4. Major organs are functioning well.

Exclusion Criteria

1. Histologically or cytologically confirmed mixed SCLC.
2. Subjects suitable for surgery. Subjects who are suitable for surgery but refuse surgical treatment can be included.
3. Patients who have previously received systematic anti-tumor treatments for small cell lung cancer, including but not limited to radiotherapy, chemotherapy, and immunotherapy.
4. Patients with other active malignancies within 5 years or at the same time.
5. Subjects with known history of severe allergy to any monoclonal antibody.
6. Subjects with known anaphylaxis to carboplatin/cisplatin or etoposide.
7. In the judgment of the investigator, subjects who have any other factors that may lead to a premature discontinuation.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Shanghai Henlius Biotech

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Jinming Yu, MD

Role: PRINCIPAL_INVESTIGATOR

Shandong Cancer Hospital & Institute-department

Ying Cheng

Role: PRINCIPAL_INVESTIGATOR

Jilin Provincial Tumor Hospital

Locations

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OPN-Glendale

Arcadia, California, United States

Site Status

OPN-Los Alamitos

Los Alamitos, California, United States

Site Status

Southern California Permanente Group

Los Angeles, California, United States

Site Status

Emad Ibrahim, MD, Inc

Redlands, California, United States

Site Status

Providence Medical Foundation

Santa Rosa, California, United States

Site Status

Lutheran Medical Center - Cancer Centers of Colorado

Golden, Colorado, United States

Site Status

Eastern Connecticut Hematology & Oncology Associates

Norwich, Connecticut, United States

Site Status

Cancer Specialists of North Florida

Jacksonville, Florida, United States

Site Status

Mid Florida Hematology and Oncology Center

Orange City, Florida, United States

Site Status

Advent Health Orlando

Orlando, Florida, United States

Site Status

Napa Research

Pompano Beach, Florida, United States

Site Status

Kansas University Mediacal Center

Fairway, Kansas, United States

Site Status

Pontchartrain Cancer Center

Covington, Louisiana, United States

Site Status

Tulane University

New Orleans, Louisiana, United States

Site Status

Health Partners

Bloomington, Minnesota, United States

Site Status

Renown Health

Reno, Nevada, United States

Site Status

Dartmouth Hitchcock Medical Center

Lebanon, New Hampshire, United States

Site Status

New York City Health+HospitalsCorporation Elmhurst Hospital Center

Elmhurst, New York, United States

Site Status

Northwell Health

Queens, New York, United States

Site Status

Montefiore Medical Center

The Bronx, New York, United States

Site Status

Cleveland Clinic Mercy Hospital

Canton, Ohio, United States

Site Status

Gabrail Cancer Center

Canton, Ohio, United States

Site Status

Tricounty Hematology and Oncology Associates

Massillon, Ohio, United States

Site Status

Kaiser Permanente Northwest

Portland, Oregon, United States

Site Status

The Center for Cancer and Blood Disorders

Fort Worth, Texas, United States

Site Status

The University of Texas MD Anderson Cancer Center

Houston, Texas, United States

Site Status

Millennium Research & Clinical Development

Houston, Texas, United States

Site Status

Pro Research Tools, INC DBA Lumi Research

Kingwood, Texas, United States

Site Status

The University of Texas - Hope Cancer Center

Tyler, Texas, United States

Site Status

Innova Schar Cancer Insitute

Fairfax, Virginia, United States

Site Status

Northwest Medical Specialties

Tacoma, Washington, United States

Site Status

Klinikum Klagenfurt am Worthersee

Klagenfurt, , Austria

Site Status

Klinikum Klagenfurt am Wörthersee

Klagenfurt, , Austria

Site Status

Karl Landsteiner Institut für Lungenforschung und pneumologische Onkologie, c/o Klinik Floridsdorf Abteilung für Innere Medizin und Pneumologie

Vienna, , Austria

Site Status

Karl Landsteiner Institute for Lung Research and Pneumological Oncology, c/o Klinik Floridsdorf Department for Inner Medicine und Pneumology

Vienna, , Austria

Site Status

The First Affiliated Hospital of Bengbu Medical College

Bengbu, Anhui, China

Site Status

Anhui Chest Hospital

Hefei, Anhui, China

Site Status

Cancer Hospital Chinese Academy of Medical Sciences

Beijing, Beijing Municipality, China

Site Status

Beijing Cancer Hospital

Beijing, Beijing Municipality, China

Site Status

The First Affiliated Hospital of Chongqing Medical

Chongqing, Chongqing Municipality, China

Site Status

Chongqing University Cancer Hospital

Chongqing, Chongqing Municipality, China

Site Status

Fujian Cancer Hospital

Fuzhou, Fujian, China

Site Status

The First Affiliated Hospital of Guangdong Pharmaceutical University

Guangzhou, Guangdong, China

Site Status

Sun Yat-Sen University Cancer Center

Guangzhou, Guangdong, China

Site Status

Peking University Shenzhen Hospital

Shenzhen, Guangdong, China

Site Status

The Second Affiliated Hospital of Guilin Medical University

Guilin, Guangxi, China

Site Status

Guangxi Medical University Cancer Hospital

Nanning, Guangxi, China

Site Status

Gungzhouyikedaxuefushuzhongliuyiyuan

Guangzhou, Guangzhou, China

Site Status

Affiliated Hospital of Hebei University

Baoding, Hebei, China

Site Status

Cangzhou People's Hospital

Cangzhou, Hebei, China

Site Status

Tangshan People's Hospital

Tangshan, Hebei, China

Site Status

Harbin Medical University Cancer Hospital

Harbin, Heilongjiang, China

Site Status

Jiamusi Cancer Hospital

Jiamusi, Heilongjiang, China

Site Status

The First Affiliated Hospital of Henan University of Science and Technology

Luoyang, Henan, China

Site Status

The First Affiliated Hospital of Xinxiang Medical University

Xinxiang, Henan, China

Site Status

Henan Cancer Hospital

Zhengzhou, Henan, China

Site Status

The First Affiliated Hospital of Zhengzhou University

Zhengzhou, Henan, China

Site Status

Hong Kong United Oncology Centre

Hong Kong, Hong Kong, China

Site Status

Queen Elizabeth Hospital

Hong Kong, Hong Kong, China

Site Status

Queen Mary Hospital

Hong Kong, Hong Kong, China

Site Status

TaiHe Hospital Affiliated Hospital of Hubei University of Medicine

Shiyan, Hubei, China

Site Status

Tongji Hospital affiliated to Tongji Medical College of Huazhong University of Science & Technology

Wuhan, Hubei, China

Site Status

Zhongnan hospital of wuhan university

Wuhan, Hubei, China

Site Status

Hubei Cancer Hospital

Wuhan, Hubei, China

Site Status

The First People's Hospital Of Changde City

Changde, Hunan, China

Site Status

The Second Xiangya Hospita

Changsha, Hunan, China

Site Status

Hunan Cancer Hospital

Changsha, Hunan, China

Site Status

Xiangya Hospital Central South University

Changsha, Hunan, China

Site Status

Xuzhou Central Hospital

Xuzhou, Jiangsu, China

Site Status

Northern Jiangsu people's Hospital

Yangzhou, Jiangsu, China

Site Status

First Affiliated Hospital of Gannan Medical University

Ganzhou, Jiangxi, China

Site Status

Ganzhou Cancer Hospital

Ganzhou, Jiangxi, China

Site Status

The First Affiliated Hospital of Nanchang University

Nanchang, Jiangxi, China

Site Status

Jilin Cancer Hospital

Changchun, Jilin, China

Site Status

Liaoning Cancer Hospital & Institute

Shenyang, Liaoning, China

Site Status

Shenyang The Tenth People's Hospital

Shenyang, Liaoning, China

Site Status

Qilu Hospital of Shandong University

Jinan, Shandong, China

Site Status

Shandong Cancer Hospital

Jinan, Shandong, China

Site Status

Linyi Tumor Hospital

Linyi, Shandong, China

Site Status

Affiliated Hospital of Qingdao University

Qingdao, Shandong, China

Site Status

Shanghai Chest Hospital

Shanghai, Shanghai Municipality, China

Site Status

Fudan University Shanghai Cancer Center

Shanghai, Shanghai Municipality, China

Site Status

Zhongshan Hospital of Fudan University

Shanghai, Shanghai Municipality, China

Site Status

Wenzhou University Hospital

Wenzhou, Shanghai Municipality, China

Site Status

Baoji Central Hospital

Baoji, Shanxi, China

Site Status

Shanxi Provincial Cancer Hospital

Taiyuan, Shanxi, China

Site Status

First Affiliated Hospital of Xi'an Jiaotong University

Xi’an, Shanxi, China

Site Status

West China Hospital of Sichuan University

Chengdu, Sichuan, China

Site Status

Tianjin Medical University Cancer Institute & Hospital

Tianjin, Tianjin Municipality, China

Site Status

Tianjin Medical University General Hospital

Tianjin, Tianjin Municipality, China

Site Status

The Second People's Hospital Of Yibin

Sichuan, Yibin, China

Site Status

Yunnan Cancer Hospital

Kunming, Yunnan, China

Site Status

Sir Run Run Shaw Hospital Zhejiang University School of Medicine

Hangzhou, Zhejiang, China

Site Status

Yuhang Branch of the First Affiliated Hospital of Zhejiang University

Hangzhou, Zhejiang, China

Site Status

Zhejiang Cancer Hospital

Hangzhou, Zhejiang, China

Site Status

The Second Affiliated Hospital Zhejiang University School of Medicine

Hangzhou, Zhejiang, China

Site Status

Taizhou Hospital of Zhejiang Province

Taizhou, Zhejiang, China

Site Status

The 1st Affiliated Hospital of WMU

Wenzhou, Zhejiang, China

Site Status

University Hospital Brno (Clinic For Lung Diseases and Tuberculosis)

Brno, , Czechia

Site Status

University Hospital Brno

Brno, , Czechia

Site Status

University Hospital Olomouc (Oncology Clinic)

Olomouc, , Czechia

Site Status

University Hospital Ostrava (oncology department)

Ostrava-Poruba, , Czechia

Site Status

University Hospital Ostrava

Ostrava-Poruba, , Czechia

Site Status

Nemocnice AGEL Ostrava-Vítkovice

Ostrava-Vitkovice, , Czechia

Site Status

Nemocnice AGEL Ostrava-Vítkovice

Ostrava-Vítkovice, , Czechia

Site Status

General University hospital in Prague (Oncology department)

Prague, , Czechia

Site Status

University Hospital Motol

Prague, , Czechia

Site Status

University Hospital Motol (Pneumology Clinic 2.LF UK and FN Motol)

Prague, , Czechia

Site Status

Kliniken der Stadt Cologne GmbH

Cologne, , Germany

Site Status

University hospital Schleswig-Holstein

Travemünde, , Germany

Site Status

"Sotiria" Thoracic Diseases General Hospital of Athens

Athens, , Greece

Site Status

General Hospital of Athens "Alexandra"

Athens, , Greece

Site Status

Fejer County Szent Gyorgy University Teaching Hospital

Székesfehérvár, , Hungary

Site Status

Pulmonary Institute of Torokbalint

Törökbálint, , Hungary

Site Status

Riga East University Hospital, Latvian Oncology Center

Riga, , Latvia

Site Status

Clinic of Oncology, Pauls Stradins Clinical university hospital

Riga, , Latvia

Site Status

Hospital St. Jansdal

Harderwijk, , Netherlands

Site Status

Isala Hospital

Zwolle, , Netherlands

Site Status

MedPoloniaSp. z o.o.

Poznan, , Poland

Site Status

Lung and Chest Cancer Clinic, National Institute of Oncology

Warsaw, , Poland

Site Status

Hospital Universitario de Badajoz

Badajoz, , Spain

Site Status

Hospital German Trias i Pujol/ ICO Badalona

Badalona, , Spain

Site Status

Hospital de la Santa Creu i Sant Pau

Barcelona, , Spain

Site Status

Hospital Universitario Reina Sofía

Córdoba, , Spain

Site Status

Hospital Gregorio Marañon

Madrid, , Spain

Site Status

Hospital Universitario Puerta de Hierro

Madrid, , Spain

Site Status

Hospital Quironsalud Sagrado Corazón

Seville, , Spain

Site Status

Hospital Marques de Valdecilla

Valdecilla, , Spain

Site Status

University Hospital La Fe

Valencia, , Spain

Site Status

Countries

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United States Austria China Czechia Germany Greece Hungary Latvia Netherlands Poland Spain

Other Identifiers

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HLX10-020-SCLC302

Identifier Type: -

Identifier Source: org_study_id

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