Study of Eribulin Mesylate in Combination With PEGylated Recombinant Human Hyaluronidase (PEGPH20) Versus Eribulin Mesylate Alone in Subjects With Human Epidermal Growth Factor Receptor 2 (HER2)-Negative, High-Hyaluronan (HA) Metastatic Breast Cancer (MBC)

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Eisai

Status and phase

Terminated
Phase 2
Phase 1

Conditions

Metastatic Breast Cancer

Treatments

Drug: Eribulin mesylate
Other: Biologic: PEGylated recombinant human hyaluronidase
Other: Biologic: PEGylated recombinant human hyaluronidase (PEGPH20)

Study type

Interventional

Funder types

Industry

Identifiers

NCT02753595
2015-004740-19 (EudraCT Number)
E7389-M000-219

Details and patient eligibility

About

The primary objective for the study is as follows: For the Phase 1b - to determine safety tolerability and recommended Phase 2 dose (RP2D) of eribulin mesylate in combination with PEGylated recombinant human hyaluronidase (PEGPH20) in participants with Human Epidermal Growth Factor Receptor (HER2)-negative metastatic breast cancer (MBC) previously treated with up to two lines of systemic anticancer therapy in the metastatic setting. For the Phase 2 - to evaluate objective response rate (ORR) of eribulin mesylate in combination with PEGPH20 in participants with HER2-negative, High-Hyaluronan (HA)-high, MBC previously treated with up to 2 lines of systemic anticancer therapy in the metastatic setting.

Full description

Phase 1b will occur in two parts: Part 1: Run-in safety cohort(s) (dose levels 1, 0, and -1, as necessary) of 6 participants each will be conducted until the RP2D is determined. The purpose of the run-in safety cohort(s) is to study the safety of the 2-drug combination and determine a RP2D. Dose limiting toxicity (DLT) will be assessed in the first cycle to determine the RP2D of eribulin mesylate in combination with PEGPH20. Part 2 (Phase 1b "Expansion Part"): A total of 12 additional participants will be enrolled at the RP2D determined in Part 1 (using Phase 1b criteria, i.e., participants previously treated with up to 2 lines of systemic anticancer therapy) in order to assess the safety profile of the combination and identify any potential safety signals and the incidence of thromboembolic events in this population (RP2D determined dosing). In Phase 2, participants will be stratified by triple negative breast cancer (TNBC) status and randomized 1:1 to receive eribulin mesylate and PEGPH20 at the established RP2D level or eribulin mesylate alone at 1.4 milligrams per square meters (mg/m^2).

Enrollment

25 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

  • Metastatic Her-2- breast cancer
  • Up to 2 prior lines of cytotoxic or targeted anti-cancer therapy for metastatic disease
  • Measurable disease per Response Evaluation Criteria In Solid Tumors (RECIST) v1.1
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1

Exclusion Criteria

  • Less than 6 months since prior neoadjuvant/adjuvant chemotherapy
  • Known central nervous system (CNS) disease, except for those participants with treated brain metastasis who are stable for at least 1 month, having no evidence of progression or hemorrhage after treatment and no ongoing requirement for corticosteroids, as ascertained by clinical examination and brain imaging (MRI or CT) during the screening period
  • Previous history or current evidence of deep vein thrombosis (DVT), hereditary thrombophilic syndromes, pulmonary embolism (PE), cerebral vascular accident (CVA), transient ischemic attack (TIA), atrial fibrillation (AF), or active carotid artery disease requiring treatment
  • Treatment with chemotherapy, hormonal, or biological therapy within the previous 3 weeks, radiation or small molecule targeted therapy within the previous 2 weeks preceding informed consent
  • Pregnant or breastfeeding

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

25 participants in 3 patient groups

Eribulin mesylate plus PEGPH20 (Phase 1b)
Experimental group
Description:
Recommended Phase 2 dose (RP2D) will be determined from the below dose levels: Dose level 1: PEGPH20 (3.0 microgram per kilogram (mcg/kg)) followed by eribulin mesylate (1.4 milligrams per square meter (mg/m^2)) or Dose level 0: PEGPH20 (1.6 mcg/kg) followed by eribulin mesylate (1.4 mg/m^2) or Dose level -1: PEGPH20 (1.6 mcg/kg) followed by eribulin mesylate (1.1 mg/m^2) Dose level 1 can be selected as the RP2D if no more than 1 out of 6 participants has a DLT; DLT was only observed from the first treatment cycle; otherwise, Dose level 0 will be assessed in a second cohort of 6 subjects and will be selected as the RP2D if no more than 1 subject has a DLT. Otherwise, Dose level - 1 will be assessed in a third cohort of 6 subjects. Upon determination of the RP2D, study Phase 1b Expansion Part will proceed to confirm the RP2D, and thereafter Phase 2 part will proceed.
Treatment:
Other: Biologic: PEGylated recombinant human hyaluronidase (PEGPH20)
Drug: Eribulin mesylate
Eribulin mesylate plus PEGPH20 (Phase 2)
Experimental group
Description:
Participants will receive eribulin mesylate and PEGPH20 at the established RP2D level achieved in the Phase 1b.
Treatment:
Other: Biologic: PEGylated recombinant human hyaluronidase
Drug: Eribulin mesylate
Eribulin mesylate (Phase 2)
Experimental group
Description:
Participants will receive eribulin mesylate at 1.4 mg/m^2.
Treatment:
Drug: Eribulin mesylate

Trial documents
2

Trial contacts and locations

7

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Data sourced from clinicaltrials.gov

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