ONTAK® in Treating Patients With Advanced Breast Cancer That Did Not Respond to Previous Treatment
Public ClinicalTrials.gov record NCT00425672. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Phase I-II Study of Denileukin Diftitox (ONTAK®) in Patients With Advanced Refractory Breast Cancer
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
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.
Study identification
- NCT ID
- NCT00425672
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Enrollment
- 15 participants
Conditions and interventions
Conditions
Interventions
- ONTAK Biological
- flow cytometry Other
- immunohistochemistry staining method Other
- enzyme-linked immunosorbent assay Other
- laboratory biomarker analysis Other
- protein expression analysis Genetic
Biological · Other · Genetic
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 31, 2005
- Primary completion
- Mar 31, 2010
- Completion
- Not listed
- Last update posted
- Dec 4, 2018
Started 2005
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium | Seattle | Washington | 98109 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00425672, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 4, 2018 · Synced Sep 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00425672 live on ClinicalTrials.gov.