Spots Global Cancer Trial Database for To Establish a Molecular Typing System for Early Diagnosis of Lung Cancer

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Trial Identification

Brief Title: To Establish a Molecular Typing System for Early Diagnosis of Lung Cancer

Official Title: Molecular Typing System for Early Screening and Diagnosis of Lung Cancer Combined With Liquid Biopsy Technology

Study ID: NCT05432128

Conditions

Lung Cancer

Interventions

Study Description

Brief Summary: This topic to take large multicenter study real world, the advanced liquid biopsy will ctDNA methylation detection technique is applied to pulmonary nodules differential diagnosis and early lung cancer screening, validation of early lung cancer screening and diagnosis of molecular classification system model, the feasibility of the development of early lung cancer screening and diagnosis of molecular classification system, improve its early screening early detection accuracy and efficiency, Improve the survival status of lung cancer high-risk population. At the same time, this project combined AI analysis technology of LDCT image results with ctDNA methylation detection, so as to overcome false negatives caused by the deficiency of ctDNA methylation detection technology in sensitivity, specificity, stability and flux, and correct false positive results that may be caused by AI analysis technology of LDCT image results. The combination of the two can avoid missed diagnosis and over - examination and over - treatment.

Detailed Description: 1. All patients underwent low-dose CT pulmonary nodule AI detection and peripheral blood ctDNA methylation detection at baseline 2. Follow-up plan: Low-risk and medium-risk nodules and some high-risk nodules (5-10mm) were followed up. 10ml peripheral blood was collected from each follow-up and stored for testing until the end of the study. The high-risk nodules over 10mm were evaluated by the expert group and the patients were informed by biopsy or surgical resection. Histopathological diagnosis was made and compared with ctDNA methylation results to analyze the sensitivity and specificity of ctDNA methylation markers of lung cancer. 3. Endpoint: Tissue samples were pathologically diagnosed as benign or malignant.