Primary Tumor Radiotherapy Omitting Clinical Target Volume for Patients With Advanced Non Small Cell Lung Cancer Responded to Immunotherapy and Chemotherapy
The aim of this randomized study is to investigate pneumonitis, local tumor control, and survival outcomes of primary tumor radiotherapy omitting CTV for patients with advanced NSCLC responded to immunotherapy and chemotherapy
• Histologically or cytologically confirmed advanced non-small cell lung cancer (according to the 8th edition of the TNM cancer staging system of AJCC and UICC);
• After over two cycles of chemotherapy combined with immunotherapy, the efficacy was CR, PR or SD (with a decreasing trend);
• Age 18 to 80 years old, performance status 0-1;
• measurable or evaluable lesions;
• Survival expectancy is not less than 6 months;
• adequate cardiac, pulmonary, renal, and hepatic and bone marrow function