Clinical trial Recruiting at 2 sites Phase 3 Interventional Ages 18 and up Women only

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

Official title: 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

Run by Suzhou Suncadia Biopharmaceuticals Co., Ltd. · NCT06394492 · Data updated 2026-11-12

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.

More Ovarian Cancer trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexWomen only
Enrollment440 (estimated)
SponsorSuzhou Suncadia Biopharmaceuticals Co., Ltd.
Industry-sponsored
Drugs / interventionschemotherapy
Locations2 sites (Beijing, Beijing Municipality and 1 other locations)
StatusRecruiting
StartedMay 10, 2024
Main results expectedMay 31, 2026
Study endsDecember 31, 2026
Registry record updatedAugust 9, 2024
Trial IDNCT06394492 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

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

Probably not a fit

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

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

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.

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 gone: 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.

Who can join: the full rules

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 it's running

  • National Cancer Center/Tumor Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
    Beijing, Beijing Municipality, China
    Recruiting
  • Zhejiang Cancer Hospital
    Hangzhou, Zhejiang, China
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.