Overview

RC48-ADC in HER2-low Advanced Breast Cancer

Status:
Not yet recruiting
Trial end date:
2026-08-01
Target enrollment:
0
Participant gender:
Female
Summary
To evaluate the efficacy and safety of Disitamab vedotin (RC48-ADC) as salvage treatment in patients with HER2-low advanced breast cancer who have received up to one previous chemotherapy for recurrent or metastatic disease without previous use of antibody-drug conjugate.
Phase:
N/A
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
RenJi Hospital
Criteria
Inclusion Criteria:

- Female patients aged 18-70 years (including 18 years and 70 years)

- Expected survival ≥12 weeks

- ECOG 0-1

- Histologically confirmed invasive advanced or metastatic breast cancer that is
incurable and unresectable

- At least one measurable lesion according to the RECIST 1.1

- No history of antibody-drug conjugate use

- Up to one previous chemotherapy for advanced disease

- Available hormone receptor status. Hormone receptor-positive subjects are allowed to
receive no more than two previous endocrine therapy for advanced disease

- HER2-low tumors, defined as IHC1+ or IHC2+ with negative FISH test

- Adequate organ function

Exclusion Criteria:

- History of thromboembolic events

- Uncontrolled systemic diseases, including diabetes, hypertension, interstitial lung
disease, cirrhosis, etc.

- Active infections requiring systemic treatment

- Pregnant or lactating

- Presence of brain metastases and/or carcinomatous meningitis