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Station 4L Lymph Node Dissection Versus No Dissection in Clinical Stage I Solid Nodule-Type Invasive NSCLC

NCT07801430 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 384

Last updated 2026-09-03

No results posted yet for this study

Summary

This multicenter, prospective, randomized clinical trial will enroll adults aged 18 to 75 years with resectable clinical stage I (T1-T2aN0M0) invasive non-small cell lung cancer presenting as a single solid nodule (consolidation-to-tumor ratio 1.0) in the left lung. After intraoperative frozen-section confirmation of invasive non-small cell lung cancer and completion of standard lung resection and systematic mediastinal lymph node dissection, participants will be randomly assigned 1:1 either to undergo station 4L lymph node dissection or to omit station 4L dissection. The primary hypothesis is that omitting station 4L dissection is noninferior to performing it with respect to 3-year disease-free survival. Secondary outcomes include 3-year overall survival, perioperative complications, 90-day mortality, and station 4L nodal metastasis.

Conditions

Interventions

PROCEDURE

Station 4L Lymph Node Dissection

During complete lung resection and systematic mediastinal lymph node dissection, all lymphatic and fatty tissue in the station 4L region is surgically removed and submitted for pathological examination. Other mediastinal stations are dissected according to the study protocol in both arms.

Sponsors & Collaborators

  • Fudan University

    lead OTHER

Principal Investigators

  • Haiquan Chen · Fudan University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-12-15
Primary Completion
2028-12-15
Completion
2030-12-15

Countries

  • China

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07801430 on ClinicalTrials.gov