Last updated on August 2019

SYD985 vs. Physician's Choice in Participants With HER2-positive Locally Advanced or Metastatic Breast Cancer


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Metastatic Breast Cancer
  • Age: Between 18 - 100 Years
  • Gender: Female

Main Inclusion Criteria:

  • Female patients with histologically-confirmed, unresectable locally advanced or metastatic breast cancer;
  • Patients should have had either progression during or after at least two HER2-targeting treatment regimens for locally advanced or metastatic disease or progression during or after (ado-)trastuzumab emtansine treatment for locally advanced or metastatic disease;
  • HER2-positive tumor status;
  • Patients must have measurable or non-measurable disease that is evaluable per RECIST 1.1;
  • Eastern Cooperative Oncology Group (ECOG) performance status 2;
  • Estimated life expectancy > 12 weeks at randomization;
  • Adequate organ function and blood cell counts.

Main Exclusion Criteria:

  • Current or previous use of a prohibited medication as listed in the protocol;
  • History of infusion-related reactions and/or hypersensitivity to trastuzumab, (ado-)trastuzumab emtansine;
  • History of keratitis;
  • Severe, uncontrolled systemic disease at screening;
  • Left Ventricular Ejection Fraction (LVEF) < 50%, or a history of clinically significant decrease in LVEF during previous treatment with trastuzumab or (ado-)trastuzumab emtansine;
  • Cardiac troponin value above the Upper Limit of Normal (ULN);
  • History of clinically significant cardiovascular disease;
  • Untreated brain metastases, symptomatic brain metastases, brain metastases requiring steroids to manage symptoms, or treatment for brain metastases within 8 weeks prior to randomization;
  • History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced pneumonitis, or idiopathic pneumonitis, or evidence of active pneumonitis on screening chest CT scan.

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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