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HS-20089 in Patients With Ovarian Cancer and Endometrial Cancer

Ovarian Cancer Clinical Trial

Official title:
A Phase 2 Study of HS-20089 for Injection in Patients With Recurrent or Metastatic Ovarian Cancer and Endometrial Cancer

Clinical Trial Summary

HS-20089 is an investigational antibody-drug conjugate (ADC) composed of a humanized IgG1 anti-B7-H4 monoclonal antibody conjugated to the topoisomerase I inhibitor payload via a protease-cleavable linker, with an average drug-to-antibody ratio of about 6. This is a phase 2, open-label, multi-center study to evaluate the efficacy, safety, pharmacokinetics (PK) and immunogenicity of HS-20089 as monotherapy in patients with recurrent or metastatic ovarian cancer and endometrial cancer.

Clinical Trial Description

This is a phase 2, open-label, multi-center study composed of two parts: phase 2a and phase 2b. Phase 2a: This part of study will be conducted in the following four cohorts: Cohort 1: Patients with platinum-resistant ovarian cancer, fallopian tube cancer or primary peritoneal cancer. Cohort 2: Patients with recurrent or metastatic endometrial cancer who have progressed on or are intolerant to at least one line of standard platinum-based chemotherapy. Cohort 3: Patients with platinum-sensitive ovarian cancer, fallopian tube cancer or primary peritoneal cancer who have progressed on or are intolerant to at least two lines of standard platinum-based chemotherapy. Cohort 4: Patients with other advanced solid tumors who have progressed on or are intolerant to established standard therapies. Patients in cohort 1 will be randomly assigned 1:1 to receive HS-20089 at 4.8 mg/kg or 5.8 mg/kg and patients in the other three cohorts will receive HS-20089 at 5.8 mg/kg. Phase 2b: This part of study will be conducted in the following two cohorts: Cohort 1: Patients with platinum-resistant ovarian cancer, fallopian tube cancer or primary peritoneal cancer. Cohort 2: Patients with recurrent or metastatic endometrial cancer who have progressed on or are intolerant to at least one line of standard platinum-based chemotherapy. The cohorts may be adjusted based on the observed clinical results, translational medicine data and research progress in the field. All patients will receive HS-20089 at the recommended dose (RD) determined by accumulated research data. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06014190
Study type Interventional
Source Hansoh BioMedical R&D Company
Contact Lingying Wu, MD
Phone 010-87788996
Email wulingying@csco.org.cn
Status Recruiting
Phase Phase 2
Start date December 18, 2023
Completion date December 31, 2027
View Details
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