Surufatinib Combined With Carboplatin/Paclitaxel and Surufatinib Combined With Olaparib as First-line and Maintenance Therapy for Newly Diagnosed High-risk Ovarian Cancer

"First-line chemotherapy regimen:~* Paclitaxel: 175 mg/m², intravenous infusion, on day 1.~* Carboplatin: AUC 5, intravenous infusion, on day 1.~* Surufatinib：250 mg once daily, taken continuously.~Maintenance Therapy Regimen:~* Surufatinib: 250 mg once daily, taken continuously.~* Olaparib: 300 mg twice daily."