Status:

UNKNOWN

HER2-positive Breast Cancer Project Initiated by Investigators

Lead Sponsor:

Fudan University

Conditions:

Breast Cancer

Eligibility:

All Genders

18-75 years

Phase:

PHASE2

Brief Summary

This study will assess the objective response rate (ORR), safety, progression-free survival (PFS) , overall survival (OS), 6-month survival rate, 12-month survival rate, 18-month survival rate, 24-mon...

Eligibility Criteria

Inclusion

  • 1\. Male or female patient ≥ 18 years and ≤ 75 years when signing the informed consent form; 2. Breast cancer patients by histopathology and/or cytology documented, including:
  • a) Participants with unresectable locally advanced or metastatic breast cancer; b) Evaluated or tested as HER2-positive expression. The definition of HER2 positive in this study: immunohistochemistry (IHC) was 2+ and confirmed by fluorescence in situ hybridization (FISH), or IHC was 3+; 3. Have received at least 3 targeted therapies for locally advanced or metastatic disease, including:
  • Disease progression after receiving at least 1 trastuzumab-containing (including a biosimilar of trastuzumab on the market)-based treatment;
  • After receiving at least one anti-HER2 tyrosine kinase inhibitor (lapatinib or pyrrotinib)-based treatment plan, the disease progresses or cannot tolerate toxic and side effects;
  • The disease progresses or cannot tolerate toxic and side effects after receiving treatment with antibody-conjugated drugs targeting HER2 (such as T-DM1 or other ADCs); Note: Adjuvant therapy and anti-HER2 therapy used in the neoadjuvant treatment stage before radical treatment are not counted, but recurrence or metastasis occurs during the last anti-HER2 medication period or within one year after the end, it can be regarded as a plan.
  • 4\. Have previously received taxanes to treat breast cancer;

Exclusion

  • 1\. Serious or uncontrollable heart diseases that require treatment, including:
  • Congestive heart failure graded 3 or 4 by the New York College of Cardiology (NYHA);
  • Unstable angina pectoris that cannot be controlled by drugs;
  • Myocardial infarction occurred within 6 months before the first administration of the study treatment;
  • Severe arrhythmia requiring medical treatment (except for atrial fibrillation or paroxysmal supraventricular tachycardia); 2. Baseline measurement, QTc interval, male\> 450 msec, female\> 470 msec; 3. Clinically active interstitial lung disease; 4. Patients with primary central nervous system (CNS) malignant tumors or CNS metastases that have failed local treatment; for asymptomatic brain metastases, or with stable clinical symptoms and no need for steroids and other brain metastases within 4 weeks before the first administration of the trial drug Treated patients can be included in the group; 5. Those who are known to have a history of hypersensitivity to other monoclonal antibodies or allergic to A166 and its components for injection; 6. Those who have permanently discontinued trastuzumab due to any toxicity;

Key Trial Info

Start Date :

June 1 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2024

Estimated Enrollment :

48 Patients enrolled

Trial Details

Trial ID

NCT05346328

Start Date

June 1 2022

End Date

December 31 2024

Last Update

April 26 2022

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