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Efficacy of the combination of immune checkpoint inhibitors and chemotherapy compared with chemotherapy alone in neoadjuvant treatment of stage I-III small cell lung cancer and exploration of biomarkers

Efficacy of the combination of immune checkpoint inhibitors and chemotherapy compared with chemotherapy alone in neoadjuvant treatment of stage I-III small cell lung cancer and exploration of biomarkers

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500104328
Enrollment
Unknown
Registered
2025-06-16
Start date
2025-06-20
Completion date
Unknown
Last updated
2025-06-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Small cell lung cancer

Interventions

Neoadjuvant Chemotherapy+Immunotherapy group:None

Sponsors

The Army Characteristic Medical Center of the People's Liberation Army of China
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Aged between 18 and 80 years old; 2.Pathologically confirmed small cell lung cancer (SCLC); 3.SCLC with clinical stage I-III (referring to the 8th edition of the AJCC); 4.Received neoadjuvant chemotherapy for 2 cycles or more before surgery, or neoadjuvant treatment with a combination of immune checkpoint inhibitors (PD-1 or PD-L1 inhibitors) and chemotherapy; 5.Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1;

Exclusion criteria

Exclusion criteria: 1. Incomplete imaging data, for example, there is only one imaging assessment; 2. Previously received anti-tumor treatments, such as radiotherapy, interventional therapy, or pharmacotherapy.

Design outcomes

Primary

MeasureTime frame
pCR rate;

Secondary

MeasureTime frame
TME analysis;Downstaging rate of tumor stage;R0 resection rate;Incidence of grade >=3 adverse events;MPR rate;Objective response rate, ORR;Event free survival, EFS;

Countries

China

Contacts

Public ContactLi Li

The Army Characteristic Medical Center of the People's Liberation Army of China

lili10119@126.com+86 13983035673

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026