This is an open, multicenter Phase II clinical study of SSGJ-707 combined with chemotherapy in the treatment of advanced/recurrent endometrial cancer and platinum-resistant ovarian cancer. The objective is to evaluate the safety, tolerability and antitumor activity of SSGJ-707 in the treatment of advanced/recurrent endometrial cancer and platinum-resistant ovarian cancer.

Inclusion Criteria:

1. Age:18-75 years old
2. Advanced endometrial cancer and platinum-resistant ovarian cancer
3. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
4. Expected survival >=12 weeks.
5. Signed informed consent form.

Exclusion Criteria:

1. Known uncontrolled or symptomatic central nervous system metastatic disease.
2. Adverse events (with exception of alopecia and fatigue) from any prior anticancer therapy of grade >1 (National Cancer Institute Common terminology Criteria [NCI CTCAE] v.5.0).
3. Inadequate organ or bone marrow function.
4. Pregnant or breast-feeding woman.
5. Known allergies, hypersensitivity, or intolerance to SSGJ-707 The above information was not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.