NCT00425672

Brief Summary

RATIONALE: ONTAK may be able to help reduce the type of cells that prevent other types of immune cells from attacking the breast cancer cells. PURPOSE: This phase I/II trial is studying the safety of ONTAK and its possible side effects to see how well it works in treating patients with advanced breast cancer that did not respond to previous treatment.

Trial Health

80
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
15

participants targeted

Target at below P25 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2005

Completed
1.4 years until next milestone

First Submitted

Initial submission to the registry

January 19, 2007

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 23, 2007

Completed
3.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2010

Completed
7.3 years until next milestone

Results Posted

Study results publicly available

August 4, 2017

Completed
Last Updated

December 5, 2018

Status Verified

November 1, 2018

Enrollment Period

4.6 years

First QC Date

January 19, 2007

Results QC Date

April 17, 2017

Last Update Submit

November 9, 2018

Conditions

Outcome Measures

Primary Outcomes (2)

  • Safety Evaluated by Collecting Study Related Toxicity as Assessed by CTCAE v3.0

    Subjects are monitored for the development of end organ damage by assessing adverse events with serum chemistries, liver function studies, serum albumin, complete blood counts, symptom assessment, and physical exams performed at every cycle until 3 weeks after the final dose of ONTAK. All adverse events for all systems are graded on a scale of 1-5 using CTCAE v3.0.

    7 Days after last dose of ONTAK

  • Efficacy of ONTAK in Depleting T-regulatory Cells as a Decrease in Peripheral Blood Tregs Using Flow Cytometry

    The efficacy of ONTAK in depleting Tregs will be defined as a decrease in peripheral blood Tregs by 25% of each individual subject's baseline. All subjects will undergo blood draws at baseline and post ONTAK infusions at designated time points. Tregs from the peripheral blood will be quantitated using flow cytometry.

    21 days after cycle 6

Secondary Outcomes (4)

  • Incidence of Interleukin-2 (IL-2) and IL-2 Receptor (IL-2R) Expression in Tumor Samples by Immunohistochemical (IHC) Analysis

    21 days after cycle 6

  • Presence of Circulating sIL-2R in the Peripheral Blood

    21 days after cycle 6

  • Presence of Endogenous Tumor-specific Immunity

    21 days after cycle 6

  • Anti-tumor Effects of ONTAK Determined by Tumor Response and Progression

    21 days after cycle 6

Study Arms (1)

Arm I

EXPERIMENTAL

Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity.

Biological: ONTAKOther: flow cytometryOther: immunohistochemistry staining methodOther: enzyme-linked immunosorbent assayOther: laboratory biomarker analysisGenetic: protein expression analysis

Interventions

ONTAKBIOLOGICAL

Given IV

Also known as: DAB389 interleukin-2, DAB389 interleukin-2 immunotoxin, DAB389-IL2, DAB389IL-2, denileukin diftitox, DAB389IL2, DABIL2
Arm I

Correlative studies

Arm I

Correlative studies

Also known as: immunohistochemistry
Arm I

Correlative studies

Also known as: ELISA
Arm I

Correlative studies

Arm I

Correlative studies

Arm I

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients with advanced stage refractory breast cancer
  • Progressive or relapsed disease following standard therapy
  • Patients must have measurable disease that can include, but is not limited to bone; specifically, patients must have measurable extraskeletal disease that can be accurately measured in at least one dimension as \>= 20 mm with conventional CT techniques or \>= 10 mm with spiral CT scan; measurable (bi-dimensional) chest wall disease will also be allowed
  • Patients must be at least 14 days out from last cytotoxic chemotherapy; patients on bisphosphonates are eligible
  • White blood cell count (WBC) \> 3.0 THOU/ul
  • ANC \> 1.0 THOU/ul
  • Platelets \>= 100 THOU/ul
  • Serum creatinine =\< 2.0 mg/dL or creatinine clearance (calculated) \>= 60 ml/min
  • ALT/AST =\< 2.0 x upper limit of normal
  • Total bilirubin =\< 1.5 x upper limit of normal
  • Albumin \>= 3.0 g/dL
  • Subjects must have a Performance Status Score (ECOG Scale) =\< 2
  • Subjects must have recovered from major infections and/or surgical procedures and, in the opinion of the investigator, not have a significant active concurrent medical illness precluding protocol treatment
  • Men and women of reproductive ability must agree to contraceptive use during the study and for 1month after ONTAK treatment is discontinued

You may not qualify if:

  • Prior treatment with ONTAK (DAB389 IL-2) or DAB486 IL-2
  • Known history of hypersensitivity to diphtheria toxin or IL-2
  • Active autoimmune disease
  • Known history of pulmonary disease except controlled asthma
  • History of or pre-existing, cardiovascular disease as defined by New York Heart Association (NYHA) Class III-IV categorization
  • Pregnant or breast-feeding women

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium

Seattle, Washington, 98109, United States

Location

MeSH Terms

Conditions

Breast Neoplasms, MaleBreast Neoplasms

Interventions

denileukin diftitoxFlow CytometryImmunohistochemistryEnzyme-Linked Immunosorbent Assay

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

Cell SeparationCytological TechniquesClinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisCytophotometryFluorometryLuminescent MeasurementsPhotometryChemistry Techniques, AnalyticalInvestigative TechniquesHistocytochemistryHistological TechniquesImmunologic TechniquesImmunoenzyme TechniquesImmunoassayImmunosorbent TechniquesMolecular Probe Techniques

Results Point of Contact

Title
Principal Investigator
Organization
University of Washington

Study Officials

  • Lupe Salazar

    Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

January 19, 2007

First Posted

January 23, 2007

Study Start

September 1, 2005

Primary Completion

April 1, 2010

Last Updated

December 5, 2018

Results First Posted

August 4, 2017

Record last verified: 2018-11

Locations