Anlotinib Combined With Docetaxel Versus Docetaxel for Previous Treated Advanced NSCLC

Inclusion Criteria: * 1\. Subjects voluntarily joined the study and signed informed consent, with good compliance and follow-up; * 2\. Diagnosed as locally advanced and / or metastatic non-small cell lung adenocarcinoma (NSCLC) by cytology or histology; diagnosed as stage IIIB, IIIC or IV according to the 2017 new version of the UICC lung cancer staging criteria (8th edition); * 3\. At least one target lesion that has not received local treatment in the past 3 months, and accurate measurement by magnetic resonance imaging (MRI) or computed tomography (CT) in at least 1 direction * 4\. first line chemotherapy used platinum-based doublet chemotherapy and failed. * 5\. Provide detectable specimens (tissue or cancerous pleural effusion) for genotyping before enrollment, and the patients should be with negative EGFR, ALK, and ROS1 gene test results; * 6\. 18\~75 years old, ECOG PS 0-1 points. Life expectancy is at least 3 months. * 7\. The damage subjects received from other treatments has recovered(NCI-CTCAE version 4.0 grade ≤ 1), the interval of subjects receiving nitrosourea or mitomycin should be at least 6 weeks; the interval subjects receiving other cytotoxic drugs, bevacate Avastin (Avastin), surgery should be at least 4 weeks; the interval subjects receiving radiotherapy (except for local palliative radiotherapy) should be at least 2 weeks; * 8\. The main organs function are normally, the following criteria are met: 1. Blood routine examination criteria should be met (no blood transfusion and blood products within 14 days, no correction by G-CSF and other hematopoietic stimuli): HB≥90 g/L; ANC ≥ 1.5×10\^9/L; PLT ≥80×10\^9/L; 2. Biochemical examinations must meet the following criteria: TBIL\<1.5×ULN; ALT and AST \< 2.5×ULN, and for patients with liver metastases \< 5×ULN; Serum Cr ≤ 1.25×ULN or endogenous creatinine clearance \> 60 ml/min (Cockcroft-Gault formula). * 9\. Avoid pregnancy during treatment and 6 month after treatment. Exclusion Criteria: * 1\. Small cell lung cancer (including lung cancer mixed with small cell lung cancer and non-small cell lung cancer); * 2\. Have used anlotinib / docetaxel before, or have used other VEGFR-TKI drugs. * 3\. Imaging (CT or MRI) shows that the distance between tumor lesion and the large blood vessel is ≤ 5 mm, or there is a central tumor that invades the local large blood vessel; or there is a significant pulmonary cavity or necrotizing tumor; * 4\. History and comorbidities 1. Active brain metastases, cancerous meningitis, spinal cord compression, or imaging CT or MRI screening for brain or pia mater disease (a patient with brain metastases who have completed treatment and stable symptoms in 28 days before enrollment may be enrolled, but should be confirmed by brain MRI, CT or venography evaluation as no cerebral hemorrhage symptoms); 2. The patient is participating in other clinical studies or completing the previous clinical study in less than 4 weeks; 3. Other active malignancies that require simultaneous treatment; 4. Patients with a history of malignant tumors except for patients with cutaneous basal cell carcinoma, superficial bladder cancer, cutaneous squamous cell carcinoma or orthotopic cervical cancer who have undergone a curative treatment and have no disease recurrence within 5 years from the start of treatment 5. Patients with previous anti-tumor treatment-related adverse reactions (excluding hair loss) who have not recovered to NCI-CTCAE ≤1; 6. Abnormal blood coagulation (INR \> 1.5 or prothrombin time (PT) \> ULN + 4 seconds or APTT \> 1.5 ULN), with bleeding tendency or undergoing thrombolytic or anticoagulant therapy; 7. Note: Under the premise of prothrombin time international normalized ratio (INR) ≤ 1.5, low-dose heparin (adult daily dose of 0.6 million to 12,000 U) or low-dose aspirin (daily dosage ≤ 100 mg) is allowed for preventive purposes; 8. Renal insufficiency: urine routine indicates urinary protein ≥ ++, or confirmed 24-hour urine protein ≥ 1.0g; 9. Uncontrollable hypertension (systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg, despite optimal medical treatment); 10. The effects of surgery or trauma have been eliminated for less than 14 days before enrollment in subjects who have undergone major surgery or have severe trauma; 11. Severe acute or chronic infections requiring systemic treatment; 12. Suffering from severe cardiovascular disease: myocardial ischemia or myocardial infarction above grade II, poorly controlled arrhythmias (including men with QTc interval ≥ 450 ms, women ≥ 470 ms); according to NYHA criteria, grades III to IV Insufficient function, or cardiac color Doppler ultrasound examination indicates left ventricular ejection fraction (LVEF) \<50%; 13. There is currently a peripheral neuropathy of ≥CTCAE 2 degrees, except for trauma; 14. Respiratory syndrome (≥CTC AE grade 2 dyspnea), serous effusion (including pleural effusion, ascites, pericardial effusion) requiring surgical treatment; 15. Long-term unhealed wounds or fractures; 16. Severe weight loss (greater than 10%) within 6 weeks prior to randomization; 17. Decompensated diabetes or other ailments treated with high doses of glucocorticoids; 18. Factors that have a significant impact on oral drug absorption, such as inability to swallow, chronic diarrhea, and intestinal obstruction; 19. Clinically significant hemoptysis (daily hemoptysis greater than 50ml) within 3 months prior to enrollment; or significant clinically significant bleeding symptoms or defined bleeding tendency, such as gastrointestinal bleeding, hemorrhagic gastric ulcer, baseline fecal occult blood ++ and above, or suffering from vasculitis; 20. Events of venous/venous thrombosis occurring within the first 12 months prior to enrollment, such as cerebrovascular accidents (including transient ischemic attacks, cerebral hemorrhage, cerebral infarction), deep vein thrombosis, and pulmonary embolism; 21. Planned for systemic anti-tumor therapy, including cytotoxic therapy, signal transduction inhibitors, immunotherapy (4 weeks prior to enrollment in other anti-cancer drug clinical trials or within 4 weeks prior to grouping or during the study period Or use mitomycin C) within 6 weeks prior to receiving the test drug. Radiation-rehabilitation radiotherapy (EF-RT) was performed within 4 weeks before grouping or limited-field radiotherapy to be evaluated for tumor lesions within 2 weeks before grouping.