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Completed

NCT Number: NCT01269346

Eribulin With Trastuzumab as First-line Therapy for Locally Recurrent or Metastatic HER2 Positive Breast Cancer

This is a multicenter phase 2 study designed to evaluate the safety and efficacy of eribulin mesylate in combination with trastuzumab as first line treatment in female subjects with locally recurrent or metastatic human epidermal growth factor receptor (HER2) positive breast cancer.

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Key information

Conditions

Breast Cancer Breast Diseases Breast Neoplasms Neoplasms Neoplasms by Site Skin Diseases Skin and Connective Tissue Diseases

Age range

18 year and older

Sex eligibility

Female

Study type

Interventional

Phase

Phase 2

Primary location

University of Colorado, Denver, Colorado, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Key Inclusion criteria:

  • Age 18 years or older
  • Histologically or cytologically proven adenocarcinoma of the breast
  • Subjects who have locally recurrent or metastatic disease with at least one measurable lesion
  • HER2 positive as determined by score of 3 on immunohistochemistry (IHC) staining or gene amplification by fluorescence in situ hybridization (FISH).
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) score of 0, 1 or 2
  • At least 12 months since prior neoadjuvant or adjuvant chemotherapy
  • At least 2 weeks since prior radiotherapy, endocrine therapy, trastuzumab, or lapatinib, with complete recovery from the effects of these interventions
  • Adequate renal function
  • Adequate bone marrow function
  • Adequate liver function
  • Adequate cardiac function

Key Exclusion criteria:

  • Prior chemotherapy, biologic therapy, or investigational therapy for locally recurrent or metastatic HER2 breast cancer.
  • Subjects who have had a prior malignancy other than carcinoma in situ of the cervix, or nonmelanoma skin cancer
  • Prior exposure to greater than 360 mg/m2 doxorubicin or liposomal doxorubicin, greater than 120 mg/m2 mitoxantrone, greater than 90 mg/m2 idarubicin, or greater than 720 mg/m2 epirubicin
  • Inflammatory breast cancer
  • Prior history of hypertensive crisis or hypertensive encephalopathy
  • Clinically significant cardiovascular impairment
  • Subjects with known central nervous system (CNS) disease are not eligible, except for those subjects with treated brain metastasis.
  • Subjects with metastatic disease limited to bone are ineligible unless there is at least one lytic lesion with identifiable soft tissue components that can be evaluated by computed tomography (CT) or magnetic resonance imaging (MRI)
  • Pulmonary lymphangitic involvement that results in pulmonary dysfunction requiring the use of oxygen
  • History of bleeding diasthesis
  • Currently pregnant or breast-feeding.
  • Subjects with preexisting Grade 3 or 4 neuropathy. Any peripheral neuropathy must recover to Grade less than or equal to 2 before enrollment

Treatment and study plan

eribulin mesylate

Drug

Eribulin mesylate 1.4 mg/m2 administered as an intravenous (IV) infusion (over 2 to 5 minutes) on Days 1 and 8 of each 3-week cycle.

Trastuzumab 8 mg/kg will be administered as in IV infusion over a 90-minute period on Day 1 of Cycle 1. Thereafter, trastuzumab 6 mg/kg will be administered as an IV infusion over a 30-minute period on Day 1 of each subsequent cycle.

Primary outcomes

  1. Objective Response Rate

    Time frame: Baseline (within 28 days of first infusion of study drug); Treatment Phase (every 6 weeks during the first 6 cycles); Extension Phase (every 12 weeks) to PR or CR

    The Objective Response Rate (Complete Response plus Partial Response, (CR + PR)) was defined as the proportion of participants who have a best overall response of confirmed CR or PR based on Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 as assessed by the Investigator. Tumor assessment was by computed tomography (CT)/magnetic resonance imaging (MRI). To assess best response (CR, PR, stable disease (SD), progressive disease (PD), or not estimable (NE)), the Investigator selected up to five measurable target lesions (2 per organ). All other lesions were identified as nontarget lesions. Each participant's overall tumor burden at Baseline was compared with subsequent measurements of the target lesions. For participants with CR or PR, changes in tumor sizes had to be confirmed by repeat evaluations performed not fewer than four weeks after the initial response assessment.

Secondary outcomes

  1. Time to First Response

    Time frame: From date of first dose of study drug to the earliest date that CR or PR was objectively documented, assessed up to data cutoff (12 Sep 2013), up to approximately 2 years 9 months

    Time to first response was defined for participants whose best overall response was a CR or PR.

  2. Duration of Response (DOR)

    Time frame: Date of a confirmed CR or PR was first documented to the date of PD or death (due to any cause and in the absence of PD), whichever occurred first, or date of data cutoff (12 Sep 2013), or up to approximately 2 years 9 months

    Duration of response was defined for participants whose best overall response was CR or PR. Participants who died without reported PD were considered to have progressed on the day of their death. Participants who were alive at the end of the study without reported PD were censored on the date of their last tumor assessment.

  3. Progression-Free Survival (PFS)

    Time frame: Date of first dose of study drug to date of PD or death (from any cause) whichever came first, or date of data cutoff (12 Sep 2013), up to approximately 2 years 9 months

    PFS was defined as the time from the date of the first dose of study drug until the date of first documentation of PD or date of death from any cause, whichever occurred first. Participants who died without reported PD were considered to have progressed on the day of their death. Participants who were lost to follow-up or alive and without reported PD at the end of study were censored on the date of their last tumor assessment.

  4. Duration of Stable Disease (SD)

    Time frame: Start of study treatment to date of PD or death, whichever occurred first, or date of data cutoff (12 Sep 2013), up to approximately 2 years 9 months

    Defined as the period from treatment start date to the date of PD or death, whichever occurred first. Participants who were alive without having PD as of the data cutoff date were censored as of their last tumor assessment. Calculated for participants who best response was SD.

Sponsors and collaborators

Lead sponsor

Eisai Inc.

Industry

Registry information

Official study title

A Phase 2, Multicenter, Single-Arm Study of Eribulin Mesylate With Trastuzumab as First-Line Therapy for Locally Recurrent or Metastatic Human Epidermal Growth Factor Receptor Two (HER2) Positive Breast Cancer

Important dates

Study start
2010
Primary completion
2013
Study completion
2016
First posted
Jan 4, 2011
Registry last updated
Jun 22, 2023

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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