NCT07033819 Neoadjuvant Treatment of Ovarian Cancer With Fuzuloparib in Combination With Apatinib

Eligibility & Interventions

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What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 48 participants in total. It began in 2025-06-25 with a primary completion date of 2027-06-20.

Brief Summary

In this study, investigators propose to use fuzuloparib and apatinib as neoadjuvant therapy for Homologous recombination deficiency （HRD）positive advanced ovarian cancer patients, aiming to explore the efficacy and safety of this 'de-chemotherapy' regimen as neoadjuvant therapy for advanced ovarian cancer, and to conduct genetically related subgroup analyses, to guide the precision therapy and provide a new therapeutic option for HRD-positive patients with advanced ovarian cancer. To provide a new treatment option In order to increase the R0 resection rate of surgery and reduce chemotherapy resistance, thus improving the prognosis and prolonging the survival of patients.

Eligibility Criteria

Inclusion Criteria: * Newly diagnosed ovarian cancer, fallopian tube cancer, or primary peritoneal cancer, with FIGO stage III-IV. * Age between 18 and 70 years. * Histopathological confirmation via laparoscopic biopsy or core needle biopsy indicating high-grade (or moderately/lowly differentiated) serous carcinoma, endometrioid carcinoma, fallopian tube cancer, or primary peritoneal cancer. * Eastern Cooperative oncology Group (ECOG) performance status of 0-1. * Positive for homologous recombination deficiency (HRD) based on tissue or blood sample testing. * Presence of at least one measurable lesion assessable by CT or MRI (RECIST v1.1). * Ineligibility for primary debulking surgery due to inability to achieve R0 resection or intolerance to surgery, based on: Fagotti laparoscopic score ≥8. Upper abdominal CT score ≥3 when laparoscopic assessment is not feasible. Judgment criteria for surgery intolerance: BMI ≥40.0. Multiple chronic diseases. Malnutrition or hypoalbuminemia. Moderate to large volume ascites. Newly diagnosed venous thromboembolism. ECOG performance status \>2. * Expected survival of \>3 months. * Adequate organ function, with laboratory results meeting the following criteria within 7 days prior to treatment initiation: Hematological tests (no transfusions or hematopoietic growth factor use within 7 days prior to screening): Hemoglobin (Hb) ≥90 g/L. Absolute neutrophil count (ANC) ≥1.5×10⁹/L. Absolute lymphocyte count (LC) ≥0.5×10⁹/L. Platelet count (PLT) ≥100×10⁹/L. White blood cell count (WBC) ≥3.0×10⁹/L and ≤15×10⁹/L. Biochemical tests (no transfusions or albumin use within 7 days prior to screening): Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤2.5×ULN. Alkaline phosphatase (ALP) ≤2.5×ULN. Total bilirubin (TBIL) ≤1.5×ULN. Serum creatinine (Cr) ≤1.5×ULN, with creatinine clearance (CrCL) ≥60 mL/min (Cockcroft-Gault formula). Prothrombin time (PT) and activated partial thromboplastin time (APTT) ≤1.5×ULN, with international normalized ratio (INR) ≤1.5×ULN (not receiving anticoagulant therapy). Urinalysis: Urine protein \<2+; if urine protein ≥2+, then 24-hour urine protein quantification must show protein ≤1 g. 12-lead electrocardiogram (ECG): Fridericia-corrected QT interval (QTcF) \<470 ms for females. * Women of childbearing potential must have a negative serum or urine pregnancy test within one week prior to enrollment and must agree to use effective contraception during the study. * Any prior chemotherapy-related toxicities must have resolved to ≤CTCAE Grade 1 or baseline, except for stable sensory neuropathy or alopecia of ≤CTCAE Grade 2. * Voluntary participation in the study, with signed informed consent, good compliance, and willingness to participate in follow-up visits. Exclusion Criteria: * Hypersensitivity to the investigational drug or its excipients. * Concurrent use of other neoadjuvant therapies for tumors during the study, including but not limited to chemotherapy, radiotherapy, immunotherapy, microbiological therapy, traditional Chinese medicine, or other experimental therapies. * Inability to swallow oral medications, or presence of gastrointestinal diseases that may interfere with the absorption or metabolism of the study drug, such as uncontrollable nausea and vomiting, gastrointestinal obstruction, or malabsorption. * Prior anti-cancer treatment for ovarian cancer. * Previous treatment with known or potential PARP inhibitors or anti-angiogenic agents. * Symptomatic or uncontrolled brain metastases requiring concurrent treatment, including but not limited to surgery, radiation, and/or corticosteroids, or clinical manifestations of spinal cord compression. * History of severe venous thromboembolism or pulmonary embolism. * Receipt of other molecularly targeted therapies within 4 weeks prior to enrollment. * Major surgery within one month prior to the start of the study, or not yet recovered from surgery. * History of other malignancies within the past 3 years, except for adequately treated squamous cell carcinoma of the skin, basal cell carcinoma, ductal carcinoma in situ of the breast, or cervical carcinoma in situ. * Prior or current diagnosis of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML). * Severe, uncontrolled medical conditions or investigator judgment that the participant is not suitable for the study, including but not limited to: active viral infections such as human immunodeficiency virus (HIV), hepatitis B, hepatitis C; severe cardiovascular disease, uncontrolled ventricular arrhythmias, myocardial infarction within the past 3 months; uncontrolled grand mal seizures, unstable spinal cord compression, superior vena cava syndrome, or other psychiatric disorders affecting the ability to provide informed consent; uncontrolled hypertension; immunodeficiency (except splenectomy) or other diseases that the investigator deems may expose the patient to high-risk toxicity. * Infection with human immunodeficiency virus (HIV) or known acquired immunodeficiency syndrome (AIDS), untreated active hepatitis B, hepatitis C (positive for HCV antibody and HCV-RNA above the lower limit of detection of the assay), or co-infection with hepatitis B and C. * Receipt of solid organ or hematopoietic stem cell transplantation during the study period (except for corneal transplantation). * Current participation in another interventional clinical study, or receipt of other investigational drugs or devices within 4 weeks prior to the first dose; not fully recovered from toxicities and/or complications of any prior interventions (i.e., ≤Grade 1 or returned to baseline, excluding fatigue or alopecia). * Uncontrolled hypertension (systolic blood pressure ≥160 mmHg or diastolic blood pressure ≥110 mmHg despite optimal medical therapy). * Abnormal coagulation function (INR \>1.5 or prothrombin time (PT) \>ULN + 4 seconds or APTT \>1.5×ULN), history of bleeding tendency, or receiving thrombolytic or anticoagulant therapy. * Urinalysis showing proteinuria ≥++, or confirmed 24-hour urine protein ≥1.0 g. * History of substance abuse involving psychoactive drugs that cannot be discontinued, or participants with psychiatric disorders. * History of hereditary or acquired bleeding disorders or coagulopathies (specific inclusion to be determined by the investigator). * Concurrent use of strong CYP3A4 inhibitors (e.g., itraconazole, telithromycin, clarithromycin), moderate CYP3A4 inhibitors (e.g., ciprofloxacin, erythromycin, fluconazole), strong CYP3A4 inducers (e.g., phenobarbital, enzalutamide, phenytoin, rifampin), or moderate CYP3A4 inducers (e.g., bosentan, modafinil). A washout period of 5 weeks is required before study treatment for enzalutamide or phenobarbital, and 3 weeks for other drugs. * History of stroke or transient ischemic attack within the past 6 months. * Pregnant, breastfeeding, or planning to become pregnant during the study period (female participants). * Other severe medical or psychiatric conditions or laboratory abnormalities that may increase the risk of participation, interfere with study treatment or outcomes, or any other situation deemed by the investigator as unsuitable for participation in the study.

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