This is a randomized, controlled, single-center clinical study to evaluate AK104 in FIGO 2018 stage III-IV ovarian cancer subjects who were assessed to be at high perioperative risk and/or unable to achieve R0 resection prior to initial treatment. The efficacy and safety of neoadjuvant therapy with intravenous infusion combined with chemotherapy compared with chemotherapy alone.
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18 years ≤ age <75 years, female.
Patients with epithelial ovarian cancer (high-grade serous adenocarcinoma, ovarian endometrial carcinoid adenocarcinoma), peritoneal or fallopian tube carcinoma, or clear cell carcinoma confirmed by histopathology, FIGO 2018 stage III-IV.
Evidence of compliance with neoadjuvant chemotherapy for ovarian cancer: (a) Preoperative evaluation by gynecologic oncologists (multidisciplinary if necessary) indicates that R0 resection is less likely to be achieved after primary tumor reduction; (b) Patients whose physical state cannot tolerate PDS and are not suitable for immediate surgery (such as perioperative high risk, old age, medical complications, etc.); (c) Without any systematic anti-tumor therapy for ovarian cancer (including but not limited to radiotherapy, chemotherapy, surgery, targeted therapy and immunotherapy); Note: Histopathology is obtained by puncture biopsy, laparoscopic exploration, etc. Lymph node resection or biopsy for clinical staging purposes is permitted.
Ovarian cancer, fallopian tube cancer, primary peritoneal cancer (such as germ cell tumor) of non-epithelial origin; Ovarian tumors with low malignant potential (e.g., borderline tumors).
Patients with other malignant tumors in the past (within 5 years) or at the same time, with the exception of cured local tumors (such as basal cell skin cancer, squamous cell skin cancer, superficial bladder cancer, cervical carcinoma in situ, breast carcinoma in situ, etc.) and breast cancer with no recurrence >3 years after radical surgery.
Subjects with active viral hepatitis B, inactive or asymptomatic hepatitis B virus (HBV) carriers (HBV surface antigen [HBsAg] positive) with HBV DNA > 1000 IU/mL, and subjects with active viral hepatitis C. Note: Inactive or asymptomatic carriers, treated and stable hepatitis B subjects with HBV DNA ≤ 1000 IU/mL were admitted. Subjects with cured viral hepatitis C, HCVAb positive and HCV RNA negative were admitted.
A history of testing positive for known human immunodeficiency virus or known acquired immunodeficiency syndrome.
Parallel
AK104
DrugThe study treatment was followed by a 3-week treatment cycle. The dosing time window is ±3 days. Within 72 hours before each dosing cycle, subjects are required to complete various examinations, including vital signs, physical examination, laboratory examination, and physical status score, to evaluate the safety and tolerability of continued treatment.
R0 rate
Rate of complete tumor resection (R0): complete resection of the visible lesion.
ORR
Objective tumor response rate is defined as the percentage of subjects having achieved confirmed Complete Response + Partial Response as best overall response according to radiological assessments.
DCR
Disease control rate (DCR) refers to the percentage of cases with remission and disease stability after treatment in the total number of evaluable cases.
pCR
Pathological complete response is the breast primary focus and axillary lymph node surgery specimen pathological examination without invasive tumor cell residual.
PFS
Progress free survival is defined as the length of time from random assignment to disease progression or to death resulting from any cause other than the progress.
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