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Imiquimod for Breast Cancer Patients With Chest Wall Recurrence or Skin Metastases

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00899574
First Posted: May 12, 2009
Last Update Posted: December 7, 2015
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
New York University School of Medicine
  Purpose
The purpose of this trial is to determine the safety and efficacy of Imiquimod, a Toll-like receptor 7 agonist in breast cancer (for chestwall recurrences or metastases to the skin).

Condition Intervention Phase
Breast Cancer Breast Neoplasms Drug: Imiquimod Phase 2

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase II Evaluation of Imiquimod, a Topical Toll-like Receptor 7 (TLR7) Agonist in Breast Cancer Patients With Chest Wall Recurrence or Skin Metastases

Resource links provided by NLM:


Further study details as provided by New York University School of Medicine:

Primary Outcome Measures:
  • Objective Response (Complete Clinical Response+ Partial Response) [ Time Frame: 9 weeks ]
    This is defined as percentage of patients who achieved complete clinical response or partial response at end of cycle 1 of treatment. The tumor size will be measured as lesion surface area (region of interest, ROI). The response to the treatment is then evaluated as a function of post-treatment over pre-treatment ROI, expressed in percentage. Response criteria for this study are based on European Organisation for Research and Treatment of Cancer definitions for chest wall tumors: complete clinical response: absence of any detectable residual disease; partial response: <50% of ROI change.


Secondary Outcome Measures:
  • Clinical Benefits [ Time Frame: 9 weeks ]
    This outcome measure is defined as number of patients with improvement of symptoms after 8 weeks of treatment.


Enrollment: 10
Study Start Date: May 2009
Study Completion Date: June 2013
Primary Completion Date: April 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Imiquimod

Each treatment cycle consists of 8 weeks.

Weeks 1-8: day 1-5 of each week: 1 packet imiquimod 5% cream applied overnight, day 6-7 of each week: rest period.

Patients with responding or stable local disease (non-progressors) may continue to receive treatment following the same schedule (as outlined above for the first cycle) until complete tumor regression, unacceptable toxicity or progression of disease.

Drug: Imiquimod

Each treatment cycle consists of 8 weeks.

Weeks 1-8: day 1-5 of each week: 1 packet imiquimod 5% cream applied overnight, day 6-7 of each week: rest period.

Patients with responding or stable local disease (non-progressors) may continue to receive treatment following the same schedule (as outlined above for the first cycle) until complete tumor regression, unacceptable toxicity or progression of disease.

Other Name: Aldara

Detailed Description:
TLR agonists are novel agents for cancer therapy which modify the immune response. Imiquimod, a synthetic TLR7 agonist has proven immunomodulatory activity when applied topically, leading to clearance of human papilloma virus (HPV)-induced genital warts and primary skin malignancies. Its effects will now be examined in breast cancer metastatic to the skin. If effective, it will add a relatively non-toxic approach to the treatment armamentarium for this patient population frequently resistant to conventional therapies.
  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Patients with biopsy-confirmed breast cancer (prior histological documentation is acceptable).
  • Patients with measurable skin metastases (chest wall recurrence and/or non-chest wall skin metastases are eligible).
  • Skin metastases not suitable for or patient refusing definitive surgical resection and radiation.
  • (Cohort 1) Concurrent systemic cancer therapy (hormones, biologics or chemotherapy) is allowed if distant metastases have been non-progressing (stable or responding) on that regimen for > or = 12 weeks and skin metastases are non-responsive (stable or progressing) as assessed by the investigator.

(Cohort 2) Any concurrent systemic therapy is allowed

  • Age at least 18 years.
  • Eastern Cooperative Oncology Group (ECOG) performance status < or = 2.
  • Patients must have biopsy-accessible tumor (skin metastases) and agree to biopsies required by protocol.
  • Patients must have adequate organ and bone marrow function as defined below:

    • absolute neutrophil count > or = 1,500/microliter
    • hemoglobin > or = 9.5 grams/deciliter
    • platelets >or = 75,000/microliter
    • total bilirubin < or = 1.5 X institutional upper limit of normal
    • Aspartate aminotransferase (AST)/Alanine aminotransferase (ALT) < or = 2.5X institutional upper limit of normal
    • creatinine < or = 1.5 X institutional upper limit of normal
  • Informed consent.

Exclusion Criteria:

  • Brain metastases unless resected or irradiated and stable > or = 8 weeks.
  • Treatment with other investigational agents.
  • Patients who have received radiotherapy, high-potency corticosteroids, intralesional therapy, laser therapy or surgery other than biopsy to the target area within 4 weeks prior to first dosing of study agent.
  • Patients who have received hyperthermia to the target area within 10 weeks prior to first dosing of study agent.
  • Patients with an uncontrolled bleeding disorder.
  • Patients who will be therapeutically anticoagulated with heparins or coumadin at the time of the biopsy (they are eligible if anticoagulation can be held prior to biopsy as per investigator). Patients on aspirin and other platelet agents are eligible.
  • Patients with known immunodeficiency or receiving immunosuppressive therapies.
  • History of allergic reactions to imiquimod or its excipients.
  • Uncontrolled intercurrent medical illness or psychiatric illness/social situations that would limit compliance with study requirements.
  • Pregnancy or lactation.
  • Women of childbearing potential not using a medically acceptable means of contraception.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00899574


Locations
United States, New York
NYU Cancer Institute
New York, New York, United States, 10016
Sponsors and Collaborators
New York University School of Medicine
Investigators
Principal Investigator: Sylvia Adams, MD New York University School of Medicine
  More Information

Publications:
Responsible Party: New York University School of Medicine
ClinicalTrials.gov Identifier: NCT00899574     History of Changes
Other Study ID Numbers: NYU 09-0225
First Submitted: May 11, 2009
First Posted: May 12, 2009
Results First Submitted: April 12, 2012
Results First Posted: May 11, 2012
Last Update Posted: December 7, 2015
Last Verified: November 2015

Keywords provided by New York University School of Medicine:
toll-like receptor
toll-like receptor agonist
recurrent breast cancer
breast cancer metastasized to skin and/or chestwall
immunomodulator

Additional relevant MeSH terms:
Breast Neoplasms
Recurrence
Neoplasms by Site
Neoplasms
Breast Diseases
Skin Diseases
Disease Attributes
Pathologic Processes
Imiquimod
Adjuvants, Immunologic
Immunologic Factors
Physiological Effects of Drugs
Antineoplastic Agents
Interferon Inducers