New combo therapy aims to stall advanced lung cancer

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Squamous cell carcinoma of the lung confirmed by histology or cytology; 2. According to the TNM staging system of the 9th edition of American Cancer Association, it was assessed as stage IV. 3. Has received standard first-line chemotherapy immunotherapy for 4\~6 cycles, and achieved partial remission or disease stability according to the efficacy evaluation of RECIST1.1; 4. The patient is 18-80 years old; 5. ECOG PS score is 0-1; 6. The main organ functions meet the following criteria: (1) Blood routine examination: hemoglobin (HB) ≥ 90g/L; Leukocyte (ANC) ≥ 3.0× 109/L; Neutrophils ≥ 1.5× 109/L; Platelet (PLT) ≥ 75× 109/L; (2) Biochemical examination: albumin (ALB)≥29g/L; Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) \< 2uln; Total bilirubin (TBIL) ≤ 1.5 ULN; Creatinine ≤ 1.5 ULN; 7. Patients and/or their families agree to participate in clinical trials and sign informed consent forms; 8. No history of other malignant tumors; 9. No active infection; 10. Be able to cooperate with research follow-up; 11. At least one measurable lesion (according to RECIST 1.1); 12. The expected survival time is more than 3 months. Exclusion Criteria: 1. There is epidermal growth factor receptor (EGFR) sensitive mutation or anaplasticlymphomakinase (ALK) gene translocation; 2. Have a history of allergy to contrast agents or chemotherapy drugs; 3. Received other anti-tumor treatments other than standard first-line chemotherapy immunotherapy; 4. Arrhythmia with myocardial ischemia or myocardial infarction above grade II and poor control (including QTc interval ≥450ms for men and ≥ 470 ms for women); 5. Coagulation function is seriously abnormal and cannot be corrected; 6. Hypertension patients still have poor blood pressure control (systolic blood pressure \> \>160mmHg, diastolic blood pressure \> 100 mmhg) after antihypertensive drugs treatment; 7. Pregnant or lactating female patients; 8. Have a history of mental illness or psychotropic drug abuse; 9. Patients with symptomatic brain metastasis; 10. Patients with autoimmune diseases;