Phase Ib Study of HS-20093+HRS-5041 in Patients With Advanced Prostate Cancer

Inclusion Criteria: * Men greater than or equal to 18 years. * Voluntarily to participate, Signed and dated Informed Consent Form. * Patients with metastatic castration-resistant prostate cancer (mCRPC) who progressed after at least one type of novel hormonal therapy (standard treatment). * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0\~1. * Estimated life expectancy ≥ 12 weeks. * Men should use adequate contraceptive measures throughout the study, up to 3 months after the last dose of HRS-5041 or 4.5 months after the last dose of HS-20093 (whichever is later). Exclusion Criteria: * Treatment with any of the following: a. Previous or current treatment with B7-H3 targeted therapy. b. Previous treatment with AR PROTAC. c. Any cytotoxic chemotherapy, investigational agents and anticancer drugs within 21 days prior to the first scheduled dose of HS-20093+HRS-5041. d. brain metastases. * Any unresolved toxicities from prior therapy greater than Grade 2 according to Common Terminology Criteria for Adverse Events (CTCAE) 5.0. * History of other primary malignancies. * Inadequate bone marrow reserve or organ dysfunction. * Severe, uncontrolled or active cardiovascular diseases. * Severe or uncontrolled diabetes. * The presence of active infectious diseases. * Any known or suspected interstitial lung disease. * History of serious neuropathy or mental disorders. * History of severe hypersensitivity reaction, severe infusion reaction. * Hypersensitivity to any ingredient of HS-20093. * Unlikely to comply with study procedures, restrictions, and requirements in the opinion of the investigator. * Any disease or condition that, in the opinion of the investigator, would compromise subject safety or interfere with study assessments.