for people ages 18 years and up (full criteria)
at San Francisco, California and other locations
study started
estimated completion



This is a phase 3, multicenter, open-label, randomized active-controlled, parallel group to investigate the efficacy, safety and tolerability of intravenous balixafortide given with eribulin versus eribulin alone in the treatment of HER2 negative, Locally Recurrent or Metastatic Breast Cancer.

Official Title

An International, Phase 3, Multicenter, Randomized, Open- Label Trial Comparing Balixafortide in Combination With Eribulin Versus Eribulin Alone in Patients With HER2 Negative, Locally Recurrent or Metastatic Breast Cancer


Metastatic Breast Cancer Locally Recurrent Breast Cancer Breast Neoplasms Eribulin Balixafortide Balixafortide + eribulin


You can join if…

Open to people ages 18 years and up

  • Histologically confirmed Breast cancer
  • Metastatic Breast Cancer currently of stage IV disease or unresectable locoregionally recurrent breast cancer
  • refractory to the most recent chemotherapy, documented by progression on or within six (6) months of therapy
  • At least 14 days from the completion of any previous cancer therapy
  • Adequate organ function
  • Life expectancy of 3 months or more
  • Willing and able to comply with the protocol and able to understand and willing to sign an informed consent

You CAN'T join if...

  • Previously treated with eribulin
  • Peripheral neuropathy Grade ≥3
  • Receipt of prior CXCR4 therapy
  • Receipt of colony stimulating factors (CSFs) filgrastim, pegfilgrastim, or sargramostim, or radiation therapy within 14 days prior to study Day 1
  • History of allergic reactions attributed to compounds of similar chemical or biologic composition to balixafortide or eribulin or other agents used in the study
  • Breast feeding or pregnant
  • Patients with congestive heart failure, electrolyte abnormalities, bradyarrhythmias, known congenital long QT syndrome, QT interval corrected with Fridericia's formula (QTcF) ≥470 msec at baseline in the absence of bundle branch block, or currently taking drugs at known risk of prolonging the QT interval or causing torsades de pointes


  • UCSF Mount Zion Cancer Center
    San Francisco California 94115 United States
  • California Cancer Associates for Research and Excellence
    Fresno California 93720 United States


in progress, not accepting new patients
Start Date
Completion Date
Polyphor Ltd.
Phase 3
Study Type
Last Updated