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Keep this study
Lead
Shandong University
Age
18–any
Sex
FEMALE
Healthy volunteers
Not accepted
You may be eligible if
1. The participant voluntarily agrees to take part in the study, signs the informed consent form, demonstrates good treatment compliance, and is willing to complete scheduled follow-up.
2. Female participants aged ≥ 18 years (age calculated on the date of signing the informed consent form).
3. Newly pathologically diagnosed high-grade (or moderately/poorly differentiated) serous ovarian carcinoma, fallopian tube carcinoma or primary peritoneal carcinoma; or grade II and higher ovarian endometrioid adenocarcinoma.
For mixed tumors: The proportion of high-grade serous component or grade II+ endometrioid component must exceed 50%.
4. Disease staged as Stage III or Stage IV per the 2018 FIGO staging system.
5. Confirmed HRD (Homologous Recombination Deficiency)-positive status via laboratory testing.
6. The participant has received 6 to 9 cycles of platinum-based chemotherapy. For participants who cannot tolerate chemotherapy for documented reasons, a minimum of 4 cycles of platinum-based chemotherapy is required.Prior to randomization, participants must have received bevacizumab combined with platinum-based chemotherapy for at least the final 3 cycles, with a minimum of 3 cycles of bevacizumab administration.For participants undergoing interval debulking surgery (IDS), a minimum of 2 cycles of bevacizumab combined with the final 3 cycles of platinum-based chemotherapy is acceptable.
7. Prior to randomization, participants must have No Evidence of Disease (NED), or be assessed as having achieved Complete Response (CR) or Partial Response (PR) after first-line platinum-based chemotherapy, and maintain this status until initiation of study treatment. Randomization and study drug administration must be completed within 8 weeks after the last dose of chemotherapy.
8. ECOG Performance Status (ECOG-PS) score: 0 or 1.
9. Major organ function meets the following requirements. Use of any blood products or hematopoietic growth factors is prohibited within 14 days prior to randomization:
Absolute Neutrophil Count (ANC) ≥ 1.5 × 10⁹/L Platelet count ≥ 90 × 10⁹/L Hemoglobin ≥ 9 g/dL Serum albumin ≥ 3 g/dL Total bilirubin ≤ 1.5 × ULN Alanine Transaminase (ALT) and Aspartate Transaminase (AST) ≤ 2.5 × ULN Serum creatinine ≤ 1.5 × ULN 10、For women of childbearing potential: A negative serum pregnancy test result must be obtained within 72 hours prior to randomization. Participants must agree to use one medically approved contraceptive method throughout the study treatment period and for 6 months after the last dose of study drug. Participants must not be breastfeeding.
You may not be if
1. History of other untreated malignant tumors within the past 5 years, or concurrent untreated malignant tumors.
Exceptions: cured thyroid carcinoma, cutaneous basal cell carcinoma, cervical carcinoma in situ, and breast cancer with no recurrence for more than 3 years after radical resection.
2. Presence of untreated central nervous system (CNS) metastases. Exception: Participants who have received definitive systemic or radical treatment (radiotherapy or surgery) for brain or meningeal metastases, with radiologically confirmed stable disease for at least 1 month, who have discontinued systemic glucocorticoid therapy (prednisone \> 10 mg/day or equivalent glucocorticoids) for more than 2 weeks and have no associated clinical symptoms are eligible.
3. Prior exposure to any PARP inhibitors, including but not limited to olaparib, niraparib, rucaparib, pamiparib and fluzoparib.
4. Inability to swallow oral tablets normally, or presence of gastrointestinal dysfunction that may interfere with drug absorption, as judged by the investigator.
5. History of intestinal obstruction or gastrointestinal perforation within the past 3 months.
6. Symptomatic malignant ascites or pleural effusion requiring paracentesis or drainage; or history of ascites/pleural effusion drainage within 3 months prior to randomization.
7. Uncontrolled cardiac symptoms or diseases, including:
(1) Heart failure with NYHA Functional Class ≥ 2; (2) Unstable angina pectoris; (3) Myocardial infarction within the past 1 year; (4) Clinically significant supraventricular or ventricular arrhythmia requiring treatment or intervention; (5) QTc interval \> 470 ms. 8、Coagulopathy defined as International Normalized Ratio (INR) \> 1.5 or Prothrombin Time (PT) \> ULN + 4 seconds; presence of bleeding diathesis, or receipt of thrombolytic or systemic anticoagulant therapy.
Exception: Prophylactic anticoagulation with low-dose low-molecular-weight heparin or oral aspirin is allowed during the study.
9、Clinically significant bleeding events or definite bleeding diathesis within 3 months prior to randomization (e.g., gastrointestinal hemorrhage, hemorrhagic gastric ulcer, vasculitis).
10、If the baseline fecal occult blood test is positive, repeat testing is permitted. If the repeat test remains positive, clinical evaluation is required, and gastroscopy shall be performed if necessary.
11、Presence of active ulcers, unhealed wounds or fractures. Uncontrolled hypertension despite standard antihypertensive therapy (systolic blood pressure ≥ 140 mmHg or diastolic blood pressure ≥ 90 mmHg).
12、Any bleeding event graded ≥ Grade 2 per CTCAE v6.0 within 4 weeks prior to randomization.
13、Active infection, or unexplained fever \> 38.5 °C during the screening period or prior to randomization.
14、Congenital or acquired immunodeficiency (e.g., HIV infection), or active viral hepatitis.
15、Prior radiotherapy, chemotherapy, hormonal therapy or molecular targeted therapy completed less than 4 weeks before study drug administration (less than 5 drug half-lives for oral molecular targeted agents). Adverse events from previous anti-tumor therapies have not recovered to Grade ≤ 1 per CTCAE v6.0 (alopecia is excluded).
16、History of arterial or venous thromboembolic events within 6 months prior to randomization, including cerebrovascular accident (transient ischemic attack, cerebral hemorrhage, cerebral infarction), deep vein thrombosis, pulmonary embolism, etc.
17、Hereditary or acquired bleeding disorders or coagulation dysfunction (e.g., hemophilia, thrombocytopenia).
18、Plan to receive other systemic anti-tumor therapy during the study period. 19、Any other medical conditions or circumstances that may lead to premature termination of the study, as judged by the investigator.
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