A Single-arm, Single-center Phase II Clinical Study on the Clinical Efficacy and Safety of Paclitaxel Polymeric Micelles for Injection Combined With Fruquintinib Capsules in the Second-line Treatment of Patients With Advanced Gastric Cancer

"Fruquintinib Capsules：4 mg / day, orally once daily on days 1-14 in 21-day cycles. If the patient has AE of grade 3 or above, the dose of fruquintinib capsules is reduced to 3 mg / day(dose discontinuation to dose reduction).~Paclitaxel Polymeric Micelles for Injection：150mg / m2 intravenously over 3 hours on Days1,8 of each 21-day cycle. Do not need special infusion device.~Paclitaxel Polymeric Micelles for Injection and Fruquintinib Capsules are used for 6 cycles. Subsequently, dual-drug or single-drug maintenance therapy was selected according to the tolerance of the patients. Subsequently, Paclitaxel Polymeric Micelles for Injection ( 120mg / m2, if the patient is intolerable, the dose can be reduced to 100mg / m2 ), until occur the disease progress, the intolerant toxicity or the patient withdrawal."