A Phase 2 Study of EZN-2208 in Patients With Metastatic Breast Cancer (PEG-SN38)

E

Enzon Pharmaceuticals, Inc.

Status and phase

Terminated
Phase 2

Conditions

Metastatic Breast Cancer

Treatments

Drug: EZN-2208

Study type

Interventional

Funder types

Industry

Identifiers

NCT01036113
EZN-2208-03

Details and patient eligibility

About

This is a Phase 2, multicenter, open-label, noncomparative study to evaluate safety,efficacy and of single-agent EZN 2208 administered in patients with previously treated MBC. After discontinuation of study treatment, patients will receive care as considered appropriate by the investigator. Patients will continue to be followed for disease progression, subsequent anticancer therapy, and survival.

Full description

EZN-2208 will be administered by i.v. infusion weekly for 3 weeks in 4-week cycles. Study treatment will be continued until evidence of disease progression, unacceptable toxicity, or withdrawal of the patient's consent for participation in the study. Approximately 160 patients with previously treated MBC will be enrolled in this study. Eighty patients in each of two cohorts will be evaluated as follows: AT Cohort - Patients treated with prior anthracycline and taxane as adjuvant or metastatic therapy; no more than 2 prior chemotherapy regimens for MBC ATX Cohort - Patients treated with prior anthracycline, taxane, and Xeloda® (capecitabine) as adjuvant or metastatic therapy; no more than 4 prior chemotherapy regimens for MBC After discontinuation of study treatment, patients will receive care as considered appropriate by the investigator. Patients will continue to be followed for disease progression, subsequent anticancer therapy, and survival for at least 6 months after enrollment of the last patient in the study

Enrollment

160 estimated patients

Sex

Female

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Histologically confirmed breast adenocarcinoma that is metastatic. Receptor status of the tumor must be known.
  • Disease progression during or after immediate previous therapy, or intolerable toxicity leading to cessation of immediate previous therapy

Previous treatment for MBC:

  • AT Cohort: Prior AT required as adjuvant or metastatic therapy; no more than 2 prior chemotherapy regimens for MBC.
  • ATX Cohort: Prior ATX required as adjuvant or metastatic therapy;no more than 4 prior chemotherapy regimens for MBC.

For patients with positive receptor status:

  • Patients with HER2+ MBC must have received prior trastuzumab.
  • Patients with ER+ MBC must have received prior hormone therapy.
  • Measurable disease by RECIST Version 1.1
  • Women 18 years or older
  • ECOG performance status of 0 to 2
  • Adequate bone marrow, renal and hepatic functions

Exclusion criteria

  • Major surgery within 3 weeks before study start
  • Known or suspected brain metastases requiring intervention with steroids and/or radiation therapy
  • Prior chemotherapy, immunotherapy, non-investigational agent, or other therapy used to treat the cancer within 3 weeks before scheduled administration of EZN-2208

History of other primary cancer within 5 years of enrollment, unless

  • Curatively resected non-melanomatous skin cancer, or
  • Curatively resected cervical cancer
  • Lack of recovery to Grade 1 from any reversible side effects related to the administration of an investigational agent, chemotherapy, or other prior treatments for the cancer
  • Current participation in another clinical study with an investigational agent and/or use of an investigational drug (not including investigational use of an approved drug) in the 30 days before the first administration of EZN-2208
  • Known chronic infectious disease, such as AIDS

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

160 participants in 1 patient group

Experimental: EZN-2208
Experimental group
Description:
Experimental: EZN-2208 EZN-2208 will be administered as an i.v. infusion on weekly basis for 3 weeks and repeated every 28 days.
Treatment:
Drug: EZN-2208

Trial contacts and locations

36

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Data sourced from clinicaltrials.gov

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