Topical Imiquimod for Bowen's Disease of the Head and Neck

March 25, 2008 updated by: Brooke Army Medical Center

Phase III Trial of 6 Weeks of Imiquimod for the Treatment of Bowens Disease of the Head and Neck. Outcome is Histologic Clearance at 14 Weeks.

  • Double blinded, randomized, placebo controlled trial of imiquimod for the treatment of histologically proven Bowens disease of the head and neck.
  • Null hypothesis: No difference in histologic clearance rates of patients with head or neck Bowens treated with imiquimod versus placebo.
  • Outcome: Histologic clearance of Bowens disease at T=14 weeks.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Detailed Description

Interventional study Enrolling

Inclusion criteria: Military beneficiaries with histologically proven Bowens disease, located on the head and neck, defined as any area superior to the clavicle and anterior to the posterior triangle of the neck

Exclusion Criteria:

  • Previous treatment of biopsied lesion Recurrent lesions from previous biopsy-proven Bowen's disease
  • Patients younger than 18 years of age
  • Pregnancy
  • Immunosuppression, including HIV, transplant patients on immune suppressive medications, cancer patients on chemotherapy, and hematologic malignancies (e.g., lymphoma, leukemia)
  • Mucous membrane involvement

  • Lesions larger than 2 cm

    • Methods: Pts randomized to treatment group (6 weeks of Mon-Friday Imiquimod to Bowens site) or vehicle group (same treatment regimen). All patients undergo surgical excision (Mohs or simple excision) of site where disease is either visible or was present and tissue examined for histologic evidence of residual Bowens disease

Study Type

Interventional

Enrollment (Anticipated)

50

Phase

  • Phase 2
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Texas
      • Fort Sam Houston, Texas, United States, 78234
        • Brooke Army Medical Center Department of Dermatology

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Histologic diagnosis of Bowen's disease (squamous cell carcinoma in situ), defined as full-thickness keratinocyte atypia and architectural disorder limited to the epidermis, with or without involvement of the follicular unit

    • Located on the head and neck, defined as any area superior to the clavicle and anterior to the posterior triangle of the neck
    • Primary Bowen's disease (first diagnosis)

Exclusion Criteria:

  • Previous treatment of biopsied lesion
  • Recurrent lesions from previous biopsy-proven Bowen's disease
  • Patients younger than 18 years of age
  • Pregnancy
  • Immunosuppression, including HIV, transplant patients on immune suppressive medications, cancer patients on chemotherapy, and hematologic malignancies (e.g., lymphoma, leukemia)
  • Mucous membrane involvement
  • Lesions larger than 2 cm

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Single Group Assignment
  • Masking: Quadruple

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
histologic clearance of Bowens disease in treated versus placebo group
Time Frame: 14 weeks
14 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Brooke Army Medical Center

Investigators

  • Principal Investigator: Nicole M Owens, MD, Brooke Army Medical Center Department of Dermatology

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2006

Primary Completion (Anticipated)

November 1, 2008

Study Registration Dates

First Submitted

October 4, 2006

First Submitted That Met QC Criteria

October 4, 2006

First Posted (Estimate)

October 5, 2006

Study Record Updates

Last Update Posted (Estimate)

March 26, 2008

Last Update Submitted That Met QC Criteria

March 25, 2008

Last Verified

March 1, 2008

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • C.2005.087

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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