Status:

COMPLETED

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

Lead Sponsor:

Byondis B.V.

Conditions:

Metastatic Breast Cancer

Eligibility:

FEMALE

18+ years

Phase:

PHASE3

Brief Summary

The purpose of this study is to demonstrate that SYD985 \[(vic-)trastuzumab duocarmazine\] is superior to physician's choice in prolonging progression free survival.

Detailed Description

This study is designed as a randomized, active-controlled, superiority study in patients with unresectable locally advanced or metastatic HER2-positive breast cancer. The patients should have had eith...

Eligibility Criteria

Inclusion

  • Main
  • 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

  • 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.

Key Trial Info

Start Date :

December 15 2017

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 30 2022

Estimated Enrollment :

437 Patients enrolled

Trial Details

Trial ID

NCT03262935

Start Date

December 15 2017

End Date

June 30 2022

Last Update

October 19 2023

Active Locations (90)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 23 (90 locations)

1

Southern Cancer Center

Mobile, Alabama, United States, 36608

2

Arizona Clinical Research Center

Tucson, Arizona, United States, 85715

3

Moores UCSD Cancer Center

San Diego, California, United States, 92093

4

Woodlands Medical Specialists

Pensacola, Florida, United States, 32503