Fluzoparib Combined With Bevacizumab in PSROC Previously Treated With PARPi

Inclusion Criteria: 1. Ovarian cancer patients with histopathological type: low/high grade serous carcinoma, endometrioid carcinoma,had received platinum-based regimens for at least 1-3 lines after primary cytoreductive surgery. 2. The patient had at least one measurable lesion according to the RECIST V1.1 criteria. 3. The time from the last cycle of chemotherapy to relapse/progression should be more than 6 months. 4. ECOG score 0\~1,age 18\~75 years old 5. The serum or urine pregnancy test must be negative within 7 days before enrollment for the women of childbearing age who should agree that contraception must be used during the trial 6. CBC Hb≥90g/L, ANC≥1.5×109/L, PLT≥100×109/L, 7. Serum ALT≤3×UL, AST≤3×ULN#Serum creatinine≤1.5×ULN# Exclusion Criteria: 1. Had used bevacizumab within 6 months of enrollment 2. Has combined with other malignant tumor which diagnosed within 5 years and/or needed to be treated. The patients had untreated CNS metastases. 3. The patient had Recent intestinal obstruction, gastrointestinal perforation within 3 months, uncontrolled high blood pressure after medication (Systolic blood pressure ≥140mmHg or diastolic blood pressure ≥90mmHg), Moderate to severe cerebrovascular accident (including temporary ischemic attack, cerebral hemorrhage, cerebral infarction), moderate to severe deep vein thrombosis and moderate to severe pulmonary embolism occurred within 6 months before enrollment. Patient with coagulation dysfunction. 4. Myocardial infarction, severe arrhythmia and NYHA (New York heart association)≥2 for congestive heart failure 5. Activity or uncontrol severe infection