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New hope for tough ovarian cancer: HS-20089 takes on chemo in major trial

NCT ID NCT06855069

Disease control Sponsor: Hansoh BioMedical R&D Company Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new drug called HS-20089 against standard chemotherapy for people with ovarian, fallopian tube, or primary peritoneal cancer that has stopped responding to platinum-based treatments. About 468 participants will be randomly assigned to receive either HS-20089 or a standard chemo chosen by their doctor. The main goal is to see if HS-20089 can delay cancer growth longer than standard chemo.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 468 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2025

Expected to finish

Mar 2029

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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.

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Conditions

The condition(s) this trial relates to.

fallopian tube cancer ovarian cancer ovarian carcinoma primary peritoneal carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Ovarian cancer

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Cancer Hospital, Chinese Academy of Medical Sciences

    RECRUITING

    Beijing, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.