New treatment for ovarian cancer that doesn't respond to platinum-based therapies

A Randomized, Open-Label, Controlled, Phase III Study of SHR-A1921 Versus Investigator's Choice of Chemotherapy in Patients With Platinum-Resistant Recurrent Epithelial Ovarian Cancer

Phase 3 Interventional Suzhou Suncadia Biopharmaceuticals Co., Ltd. · NCT06394492

This study is testing a new treatment called SHR-A1921 to see if it works better than standard chemotherapy for people with ovarian cancer that doesn't respond to platinum-based therapies.

Quick facts

PhasePhase 3
Study typeInterventional
Enrollment440 (estimated)
Ages18 Years and up
SexFemale
SponsorSuzhou Suncadia Biopharmaceuticals Co., Ltd. Industry-sponsored
Drugs / interventionschemotherapy
Locations2 sites (Beijing, Beijing Municipality and 1 other locations)
Trial IDNCT06394492 on ClinicalTrials.gov

What this trial studies

This phase III clinical trial evaluates the efficacy and safety of SHR-A1921 compared to standard chemotherapy options in patients with platinum-resistant recurrent epithelial ovarian cancer. The study is randomized and open-label, meaning participants are assigned to different treatment groups without blinding. Eligible patients must have a confirmed diagnosis of ovarian cancer and measurable disease, and they will receive either SHR-A1921 or the investigator's choice of chemotherapy. The trial aims to determine if SHR-A1921 can provide better outcomes than existing treatments.

Who should consider this trial

Good fit: Ideal candidates are women aged 18 and older with platinum-resistant recurrent epithelial ovarian cancer.

Not a fit: Patients with uncontrolled effusions, other malignancies, or significant heart issues may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could offer a new effective option for patients with a challenging form of ovarian cancer.

How similar studies have performed: While there have been studies on similar treatments, the specific approach of SHR-A1921 is novel and has not been extensively tested in this context.

Eligibility criteria

Show full inclusion / exclusion criteria
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 tumour 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. Uncontrolled pleural effusion, pericardial effusion, or abdominal effusion with clinical symptoms.
2. Previous or co-existing malignancies.
3. Current or History of ILD.
4. Clinical symptoms or diseases of the heart that are not well controlled.
5. Arterial/venous thrombosis events occurred before the first dose.
6. Grade ≥2 bleeding events of CTCAE occurred before the first dose.
7. Gastrointestinal perforation or fistula, urethral fistula, abdominal abscess occurred before the first dose.
8. Patients with intestinal obstruction or parenteral nutrition before the first dose.
9. Serious infection before the first dose.
10. Active hepatitis B or active hepatitis C.
11. Received systemic anticancer treatments 4 weeks prior to the initiation of the study treatment.
12. Treated with TOP1 inhibitors or ADCs with TOP1 inhibitors as payload.
13. Unresolved CTCAE ≥grade 2 toxicities from previous anticancer therapy.
14. History of severe hypersensitivity reactions to either the drug substances or inactive ingredients of SHR-A1921.
15. Other inappropriate situation considered by the investigator.

Where this trial is running

Beijing, Beijing Municipality and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Ovarian Cancer
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.