Disitamab vedotin (RC48) plus carboplatin as first-line treatment for advanced HER2-positive ovarian, fallopian tube, or primary peritoneal cancer
Official title: Efficacy and Safety of Distamab Vedotin Combined With Carboplatin for Advanced Ovarian Cancer in the First Line Treatment
Run by Zhejiang Cancer Hospital · NCT07285941 · Data updated 2026-11-12
This trial will test whether combining disitamab vedotin (RC48) with carboplatin works and is safe as a first-line treatment for people with advanced HER2-positive ovarian, fallopian tube, or primary peritoneal cancer who have had initial debulking surgery.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Sex | Women only |
| Enrollment | 20 (estimated) |
| Sponsor | Zhejiang Cancer Hospital Academic / other |
| Drugs / interventions | chemotherapy, immunotherapy, Disitamab, bevacizumab |
| Locations | 1 site (Zhejiang, Zhejiang) |
| Status | Recruiting |
| Started | January 4, 2025 |
| Main results expected | January 4, 2027 |
| Study ends | January 31, 2028 |
| Registry record updated | December 16, 2025 |
| Trial ID | NCT07285941 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults with stage II–IV epithelial ovarian, fallopian tube, or primary peritoneal cancer that is HER2 IHC 2+ or 3+, who received first debulking surgery with R0/R1 resection, have not had prior chemotherapy, and have ECOG ≤2 with adequate organ function.
✕Probably not a fit
Patients without HER2 overexpression (IHC 0–1+), those who have already received chemotherapy, or those with poor organ function or an expected survival under three months are unlikely to benefit from this regimen.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This Phase 2, single-center interventional trial gives disitamab vedotin (RC48) combined with carboplatin to patients with stage II–IV epithelial ovarian, fallopian tube, or primary peritoneal cancer who are chemotherapy-naive after initial debulking surgery (R0 or R1). Eligible patients must have HER2 protein expression of IHC 2+ or 3+, ECOG performance status ≤2, and adequate organ function including cardiac, hepatic, renal, and hematologic parameters. The regimen replaces standard paclitaxel with RC48 in first-line therapy and monitors tumor responses and adverse events across treatment cycles. All treatment and follow-up visits are conducted at Zhejiang Cancer Hospital in Zhejiang, China.
Why it matters
Potential benefit: If successful, this regimen could improve tumor response and survival for HER2-overexpressing ovarian cancer patients and may avoid some paclitaxel-related toxicities.
How similar studies have gone: Antibody–drug conjugates targeting HER2, including disitamab vedotin, have shown responses in HER2-positive gastric, urothelial, and some breast cancer settings and early signals in ovarian cancer, but using RC48 plus carboplatin as first-line therapy for ovarian cancer is novel and not yet proven.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Stage II-IV epithelial ovarian cancer, fallopian tube cancer, and primary peritoneal cancer confirmed by histopathological examination; * Received the first tumor cell debulking surgery before enrollment and achieved R0 or R1 resection; * HER2 expression: IHC 2+ or 3+; * Had not received chemotherapy before enrollment; * ECOG PS ≤ 2; * Expected survival period ≥ 3 months; * Adequate organ function. During the screening period, the following criteria should be met (normal values are based on the clinical trial center): Left ventricular ejection fraction ≥ 50%; Hemoglobin ≥ 9 g/dL; Absolute neutrophil count (ANC) ≥ 1.5 × 109/L; Platelets ≥ 100 × 109/L; Serum total bilirubin ≤ 1.5 times the upper limit of normal (ULN); When there is no liver metastasis, ALT and AST ≤ 2.5 × ULN, and when there is liver metastasis, ALT and AST ≤ 5 × ULN; Serum creatinine ≤ 1.5 × ULN or calculated creatinine clearance rate (CrCl) ≥ 50 mL/min according to the Cockcroft-Gault formula; * Non-pregnant women; * Signed a written informed consent form before the trial. Exclusion Criteria: * Within one month prior to the start of treatment, the subject had received other anti-tumor treatments (such as radiotherapy, immunotherapy); * The subject had central nervous system diseases or brain metastases; * Had previously experienced grade II or above peripheral neuropathy; * Had an uncontrolled serious disease that would affect the subject's ability to receive treatment according to the study protocol: such as severe heart disease, cerebrovascular disease, uncontrolled diabetes, uncontrolled hypertension, uncontrolled infection, active peptic ulcer, etc.; * Had a history of other malignant tumors within the past 5 years (excluding cured skin basal cell carcinoma and cervical cancer); * Had known allergies to the study-related drugs or their excipients or was intolerant to them; * Was participating in other clinical trials at the same time; * Subjects judged by the researcher to be unsuitable for this study.
Where it's running
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Zhe Jiang Cancer Hospital
Zhejiang, Zhejiang, China Recruiting
Study contacts
- Study coordinator: Shao
- Email: shaozy@zjcc.org.cn
- Phone: +8613486127234
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.