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HS-20089 for Injection in Patients With Platinum-Resistant Recurrent Epithelial Ovarian Cancer

A Multi-center, Randomized, Open-label, Controlled, Phase III Clinical Study Evaluating HS-20089 vs. Investigator's Choice of Chemotherapy in the Treatment of Platinum-resistant Recurrent Epithelial Ovarian Cancer, Fallopian Tube Cancer, or Primary Peritoneal Cancer

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06855069
Enrollment
468
Registered
2025-03-03
Start date
2025-03-13
Completion date
2029-03-07
Last updated
2025-12-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ovarian Cancer

Keywords

Platinum-resistant recurrent epithelial ovarian cancer, HS-20089, randomized, phase III

Brief summary

This study is a randomized, open-label, controlled, phase III study to evaluate the efficacy and safety of HS-20089 versus investigator's choice of chemotherapy in patients with platinum-resistant recurrent epithelial ovarian cancer.

Interventions

HS-20089 dose 1

DRUGPaclitaxel

Paclitaxel dose 2

DRUGDoxorubicin

Doxorubicin dose 3

DRUGTopotecan

Topotecan dose 4

Sponsors

Hansoh BioMedical R&D Company
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Voluntary participation and written informed consent. 2. 18 years and older, female. 3. Pathologically diagnosed epithelial ovarian cancer, primary peritoneal cancer, or fallopian tube cancer. 4. Patients must have platinum-resistant disease 5. Be able to provide fresh or archived tumor tissue. 6. At least one measurable lesion according to RECIST v1.1. 7. Eastern Cooperative Oncology Group (ECOG) score: 0-1. 8. With a life expectancy \> 12 weeks. 9. Adequate bone marrow reserve and organ function. 10. Contraception is required during the trial.

Exclusion criteria

1. Prior treated with TOP1 inhibitors or ADCs with TOP1 inhibitors as payload. 2. Previous or co-existing malignancies. 3. Uncontrolled pleural effusion, pericardial effusion, or abdominal effusion requiring clinical intervention. 4. Received systemic anticancer treatments 4 weeks prior to the initiation of the study treatment. 5. Unresolved CTCAE ≥grade 2 toxicities from previous anticancer therapy. 6. History of severe hypersensitivity reactions to either the drug substances or inactive ingredients of HS-20089. 7. Any serious or uncontrolled medical disorder in the opinion of the investigator that may increase the risk associated with the study participation or study drug administration. 8. Other inappropriate situation considered by the investigator.

Design outcomes

Primary

MeasureTime frame
Progression-free Survival (PFS) assessed by Blinded Independ Review Committee (BIRC) as per RECIST 1.1Screening up to study completion, an average of 1 year

Secondary

MeasureTime frame
Objective Response Rate (ORR), assessed by site investigator as per RECIST 1.1Screening up to study completion, an average of 1 year
Duration of Response (DoR), assessed by site investigator as per RECIST 1.1Screening up to study completion, an average of 1 year
Disease Control Rate (DCR), assessed by site investigator as per RECIST 1.1Screening up to study completion, an average of 1 year
Overall Survival (OS)Screening up to study completion, an average of 1 year
Duration of Response (DoR), assessed by BIRC as per RECIST 1.1Screening up to study completion, an average of 1 year
Disease Control Rate (DCR), assessed by BIRC as per RECIST 1.1Screening up to study completion, an average of 1 year
Adverse EventsScreening up to study completion, an average of 1 year
Objective Response Rate (ORR), assessed by BIRC as per RECIST 1.1Screening up to study completion, an average of 1 year

Countries

China

Contacts

Primary ContactLingying Wu, MD
wulingying@csco.org.cn(+86)13910865483

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026