RC48-ADC in HER2-low Advanced Breast Cancer
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: Disitamab vedotin.
- Who it may be relevant to
- Registry conditions: Advanced Breast Cancer. Basic parameters: from 18 years · Female.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- China
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Official title
Disitamab Vedotin (RC48-ADC) in Patients With HER2-low Advanced Breast Cancer
Overview
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.
Detailed description
Subjects with HER2-low advanced breast cancer were treated with Disitamab vedotin as salvage treatment. ORR, PFS, OS and AE were assessed during the trial. HER2-low status is defined as IHC1+ or IHC2+ with negative FISH test.
Interventions
- Drug Disitamab vedotin
2.0mg/kg, iv, day1, every 2 weeks
Primary outcome measures
- Objective Response Rate (ORR) [Time frame: From the date of starting Disitamab Vedotin to the date of first documentation of progression or death (up to approximately 1 year)]
Secondary outcome measures (1)
- Adverse events [Time frame: From the date of starting Disitamab Vedotin to the end of the treatment (up to approximately 1 year)]
Eligibility criteria
Inclusion criteria
- Female patients aged ≥18 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; or HER2-ultralow tumors, defined as incomplete and faint membrane staining in >0 but ≤10% of tumor cells
- 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
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Allocation
- N/A
- Model
- Single group
- Masking
- Open label
- Primary purpose
- Treatment
Study locations
China · 1 center
- Renji Hospital, School of Medicine, Shanghai Jiaotong University — Shanghai
Identifiers
NCT: NCT05831878 · LY2023-054-B