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NCT06462105

Liposomal Irinotecan Combination Regimen for First-line Treatment of Small Cell Lung Cancer

Sponsor: Zhou Chengzhi

View on ClinicalTrials.gov

Summary

Lung cancer is a malignant tumor with high incidence and mortality in China and the world, among which small cell lung cancer (SCLC) accounts for 13% to 17% of lung cancer, and about 250,000 patients are diagnosed with SCLC every year in the world, and nearly 200,000 people die from it. Due to the high degree of malignancy of SCLC, it is easy to develop distant metastasis in the early stage, and most of the patients are diagnosed in the late stage with poor prognosis. Although SCLC is sensitive to chemotherapy and radiotherapy and has a high remission rate after initial treatment, it is prone to secondary drug resistance and relapse. SCLC is a low-differentiated, high-grade neuroendocrine tumor that can be classified into limited-stage and extensive stage (ES-SCLC). Etoposide combined with cisplatin (EP regimen) or carboplatin (EC regimen), irinotecan combined with cisplatin (IP regimen) or carboplatin (IC regimen) are the basis of standard first-line therapy for ES-SCLC. Immunocombined chemotherapy has also become the first-line standard treatment for ES-SCLC, among which serplulimab + etoposide + carboplatin is recommended by CSCO guidelines for first-line treatment. Liposomal irinotecan is irinotecan encapsulated by liposomes, which has advantages in safety. The study is expected to achieve good efficacy, improve the quality of life and prolong the survival of patients by combining the immune drug serplulimab on the basis of IC regimen. After replacing ordinary irinotecan with liposomal irinotecan, this study aims to compare the efficacy and safety of liposomal irinotecan + carboplatin + serplulimab with the first-line standard regimen (etoposide + carboplatin + serplulimab) in patients with extensive stage small-cell lung cancer, providing a better basis for clinical use.

Official title: Randomized Phase II Clinical Study of Liposomal Irinotecan or Etoposide Combined With Carboplatin and Serplulimab as First-line Treatment for Extensive Stage Small Cell Lung Cancer

Key Details

Gender

All

Age Range

18 Years - 75 Years

Study Type

INTERVENTIONAL

Enrollment

Start Date

2024-07-05

Completion Date

2027-06-30

Last Updated

2024-06-28

Healthy Volunteers

Conditions

Small Cell Lung Cancer

Interventions

DRUG

Irinotecan Hydrochloride Liposome Injection；Carboplatin Injection；Serplulimab Injection

Cohort 1: Liposomal irinotecan: 50mg/m2, ivgtt, d1; Carboplatin AUC=5, ivgtt, d1; Serplulimab: 4.5mg/kg, ivgtt, d1; The drug was administered once every three weeks for a total of 4 cycles. After 4 cycles, serplulimab is maintained until disease progression or toxicity becomes intolerable. Cohort 2: Etoposide: 100 mg/m2, ivgtt, d1-3; Carboplatin AUC=5, ivgtt, d1; Serplulimab: 4.5mg/kg, ivgtt, d1; The drug was administered once every three weeks for a total of 4 cycles. After 4 cycles, serplulimab is maintained until disease progression or toxicity becomes intolerable.

Inclusion Criteria: * Patients fully understand the study, voluntarily participate and sign an informed consent form (ICF)； * Age ≥18 years； * Patients with pathologically or histologically confirmed extensive stage small cell Lung cancer (according to the Veterans Administration Lung Study Group, VALG staging system)； * The patient had not previously received any form of antitumor therapy； * According to RECIST1.1 criteria, the patient had at least one measurable target lesion； * Eastern Cooperative Oncology Group（ECOG）Physical status score: 0-2； * The expected survival time is ≥3 months； * Absolute neutrophil count (ANC) ≥1.5×10\^9/L, platelets ≥100×10\^9/L, and hemoglobin ≥90 g/L (no blood transfusion, blood products, correction with granulocyte colony stimulating factor or other hematopoietic stimulating factor within 14 days prior to laboratory examination)； * Serum creatinine ≤1.5 times the upper limit of normal value; AST and ALT ≤2.5 times the upper limit of normal (≤5 times the upper limit of normal for patients with liver invasion); Total bilirubin ≤1.5 times the upper limit of normal (≤3 times the upper limit of normal for patients with liver invasion)； * Women of childbearing age must have had a pregnancy test (serological) negative within 7 days prior to enrollment and be willing to use an appropriate method of contraception during the trial period and for 6 months after the last dose of the test drug. Exclusion Criteria: * Patients with large cell neuroendocrine tumor and mixed small cell carcinoma； * Patients with active brain metastases or central nervous system invasion； confirmed by imaging evaluation and/or biopsy (prednisone equivalent dose ≥10mg)； * Allergic reaction to any investigational drug or its ingredients； * The patient has previously received other antibodies/drugs that target immune checkpoints, such as PD-1, PD-L1, CTLA4, etc； * Serious, uncontrolled comorbidities that could affect the study results, including but not limited to serious infections, diabetes, or cardiovascular and cerebrovascular disease, were identified； * Imaging confirmed intestinal obstruction； * It has uncontrollable ascites, abdominal infection and pyloric obstruction； * Cardiac function and disease: a history of myocardial infarction, unstable angina pectoris, severe unstable ventricular arrhythmia or any other arrhythmia requiring treatment, a history of clinically serious pericardial disease, or electrocardiographic evidence of acute ischemic or active conduction system abnormalities in the 6 months prior to recruitment； * Hepatitis B, hepatitis C active infection (hepatitis B surface antigen positive and hepatitis B DNA more than 1x103 copies /mL; more than 1x103 copies /mL of HCV RNA)； * Human immunodeficiency virus (HIV) infection (HIV antibody positive); * Previous or current co-occurrence of other malignancies (in addition to non-melanoma basal cell carcinoma of the skin that is effectively controlled, breast/cervical carcinoma in situ, and other malignancies that have been effectively controlled without treatment within the past five years); * Pregnant and lactating women and patients of childbearing age who do not want to use contraception; * The investigators determined that patients were not suitable to participate in this study.