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A Study of Trastuzumab Rezetecan in Combination With Adebrelimab Versus Investigator's Choice of Therapy in Subjects With Residual Triple Negative Breast Cancer

A Phase III, Multicenter, Randomized, Open-Label Parallel-Controlled Study of Trastuzumab Rezetecan (SHR-A1811) in Combination With Adebrelimab (SHR-1316) Versus Investigator's Choice of Therapy in Subjects With Primary Triple Negative Breast Cancer Who Have Residual Invasive Disease Following Neoadjuvant Therapy

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07679360
Enrollment
1000
Registered
2026-07-01
Start date
2026-07-01
Completion date
2032-12-01
Last updated
2026-07-01

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

Conditions

Triple Negative Breast Cancer

Brief summary

It is a randomized, open label, positive drug controlled, multicenter design Phase III clinical trial, aims to compare the efficacy and safety of SHR-A1811 combined with Adebrelimab and the treatment selected by the researchers in the adjuvant treatment of triple negative breast cancer with invasive residual cancer after neoadjuvant treatment, and to explore the PK characteristics and immunogenicity of SHR-A1811 and Adebrelimab.

Interventions

Trastuzumab Rezetecan for Injection.

Adebrelimab Injection.

DRUGCapecitabine tablets

Capecitabine Tables.

DRUGPembrolizumab injection

Pembrolizumab Injection.

Sponsors

Suzhou Suncadia Biopharmaceuticals Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Randomized, open label.

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

1. Pathologically confirmed invasive triple negative breast cancer. 2. Pathologic evidence of residual invasive carcinoma in the breast or axillary lymph nodes following completion of preoperative therapy. 3. Previous neoadjuvant therapy must meet the requirements of the protocol. 4. Has received radical surgery for breast cancer. 5. ECOG PS 0\~1. 6. Adequate organ functions. 7. Women of childbearing potential must be willing to use highly effective form of contraception.

Exclusion criteria

1. Stage IV metastatic breast cancer. 2. Previous invasive breast cancer or ductal carcinoma in situ. 3. Bilateral breast cancer. 4. Any clinical evidence indicating the exist of recurrent diseases after surgery. 5. History of other malignancy within the last 5 years, excluding cured skin basal cell carcinoma and cervical carcinoma in situ. 6. Previously received antibody coupled drug (ADC) therapy with topoisomerase inhibitors as effective payloads. 7. Previously received HER2 targeted therapy. 8. Active or previously recorded autoimmune or inflammatory diseases. 9. History of immunodeficiency. 10. Participants with known or suspected interstitial pneumonia. 11. Presence of active Hepatitis B. 12. Known to have active tuberculosis infection. 13. Uncontrolled infections requiring intravenous injection of antibiotics, antiviral drugs, or antifungal drugs for treatment. 14. Within the 6 months prior to randomization, there was a history of myocardial infarction, severe/unstable angina, symptomatic congestive heart failure, ≥ Grade 2 supraventricular or ventricular arrhythmias, and any grade of ventricular fibrillation. 15. Known allergy to any investigational drug or its excipients. 16. Other medical conditions that would interfere with study participation or follow-up.

Design outcomes

Primary

MeasureTime frame
Invasive disease-free survival (iDFS)Until study completion, assessed up to approximately 5 years.

Secondary

MeasureTime frame
Disease-free survival (DFS)Until study completion, assessed up to approximately 5 years.
Overall survival (OS)Until study completion, assessed up to approximately 5 years.
DRFI (Distant recurrence-free interval)Until study completion, assessed up to approximately 5 years.
Adverse events (AEs)Until study completion, assessed up to approximately 2 years.
Serious adverse events (SAEs)Until study completion, assessed up to approximately 3 years.

Countries

China

Contacts

CONTACTZhiye Chen, M.M
zhiye.chen.zc78@hengrui.com+86-0518-82342973

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 2, 2026