本研究的主要目标是比较tarlatamab联合durvalumab、carboplatin及etoposide对比durvalumab、carboplatin及etoposide组合在延长总生存期（OS）方面的疗效。
适应症：Small-cell Lung Cancer、Extensive Stage Small-cell Lung Cancer
入组条件
纳入标准
- Participant has provided informed consent before initiation of any study-specific activities/procedures.
- Age ≥ 18 years or ≥ legal age within the country if it is older than 18 years.
- Histologically or cytologically documented ES-SCLC (American Joint Committee on Cancer, 2017, Stage IV SCLC \[T any, N any, M1 a/b/c\]), or T3 to T4 due to multiple lung nodules that are too extensive or have tumor/nodal volume that is too large to be encompassed in a tolerable radiation plan.
- Measurable disease as defined per RECIST 1.1.
- Suitable to receive carboplatin, etoposide and durvalumab regimen as first-line treatment per investigator clinical assessment.
- Minimum life expectancy ≥ 12 weeks.
排除标准
- Participants can have no history of other malignancy in the last 2 years.
- Any symptomatic central nervous system (CNS) metastases, or leptomeningeal disease.
- They will have no history of severe or life-threatening events to immune-mediated therapy.
- History of arterial thrombosis (eg, stroke or transient ischemic attack) within 6 months prior to first dose of study treatment.
- They will have no active autoimmune or inflammatory disorders.
- Presence of active human immunodeficiency virus (HIV) or active Hepatitis (B/C) infection.
- Evidence or interstitial lung disease (ILD) or active, non-infectious pneumonitis.
- History of solid organ transplant.
- They will not have had a myocardial infarction and/or symptomatic congestive heart failure (New York Heart Association \> class II) within 6 months prior to first dose of study treatment.
入组条件维持 ClinicalTrials.gov 原始英文登记资料，实际入组资格以研究团队的正式评估与受试者知情同意书为准。资料来源：ClinicalTrials.gov，每两周自动更新，最后同步：2026年10月8日。