Apatinib Combined With Paclitaxol as Second Line Therapy for Advanced Gastric Cancer.

Inclusion Criteria:

1. Adult patients, aged between 18 and 75 years old;
2. Histologically confirmed advanced or metastatic adenocarcinoma of gastric cancer(AGC) , including adenocarcinoma of the gastroesophageal junction ;
3. At least one measurable and evaluable disease based on response evaluation criteria in solid tumors (RECIST v1.1); and confirmed as peritoneal metastasis by CT scan or laparoscope
4. Patients must have received one prior chemotherapy regimen for AGC;First-line therapy must have included a combination of at least a platinum-based treatment given concurrently, and must have experienced disease progression during or after first-line therapy for their disease;
5. Eastern Cooperative Oncology Group(ECOG) performance status of 0 or 1;
6. Life expectancy of more than 3 months;
7. Duration from the last therapy is more than 6 weeks for nitroso or mitomycin, More than 4 weeks for other cytotoxic agents, operation or radiotherapy;
8. Adequate hepatic, renal, heart, and hematologic functions ( hemoglobin≥ 90g/L, platelets ≥ 80 × 10\*9/L, neutrophil ≥1.5 × 10\*9/L, serum creatinine≤ 1.5mg/dl, total bilirubin ≤1.5 ×ULN, and serum transaminase≤2.5×ULN)

Exclusion Criteria:

1. Pregnant or lactating women;
2. History of other malignancies except cured basal cell carcinoma of skin and carcinoma insitu of uterine cervix;
3. Prior chemotherapy regimen have included taxane (docetaxel or paclitaxel); 4. Uncontrolled hypertension;

5\. Intercurrence with one of the following: coronary artery disease, arrhythmia and heart failure; 6. Urine protein\>grade 1; 7. Any factors that influence the usage of oral administration; 8. Patients with a clear tendency of gastrointestinal bleeding; 9. Abnormal coagulation function(INR≥1.5, APTT≥1.5 ULN); 10. Abuse of alcohol or drugs; 11. Less than 4 weeks from the last clinical trial; 12. Prior treatment with antivascular endothelial growth factor or the other anti angiogenesis therapy; 13. Evidence of central nervous system(CNS) metastasis; 14. Disability of serious uncontrolled intercurrence infection.