- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00204555
Safety and Efficacy Study of Imiquimod 5% Cream Applied 3x Per Week for 8 or 12 Weeks in Low Risk Nodular Basal Cell Carcinoma
A Randomized Open Label Study to Evaluate the Safety and Efficacy if Imiquimod 5% Cream Applied 3 Times Per Week for 8 or 12 Weeks in the Treatment of Low Risk Nodular Basal Cell Carcinoma
Study Overview
Detailed Description
Basal cell carcinoma (BCC) is a malignant skin cancer that is believed to develop from the basal layer of the epidermis. Ultraviolet (UV) radiation is the primary cause of BCC. It induces local and systemic immuno-suppression, p53 mutations, pyrimidine covalent dimers in desoxyribonucleic acid (DNA), and bcl-2 overexpression. All of these UV-induced changes are believed to be critical in the pathogenesis of BCC.
Topical application of imiquimod induces local interferon-alpha (IFN-alpha), interleukin-12 (IL-12), and tumor necrosis factor-alpha (TNF-alpha), with a resulting cytokine cascade that may induce and/or support a cytotoxic T-lymphocyte (Th1) immune response. Intralesional IFN-alpha has been shown to be effective for the treatment of BCC. Imiquimod may be an effective therapy for BCC.
Results from a pilot study demonstrated that topical imiquimod could clear superficial and nodular BCCs. Three phase II dose response studies in subjects with nodular BCC (nBCC) showed that the histological cure rates with imiquimod depend on the doses applied per week and the duration of treatment. Daily dosing or 5 times per week applications showed higher total clearance rates than 3 times per week dosing or less frequent dosing. Furthermore, a 12 week treatment period resulted in better efficacy results than a duration of only 6 weeks. On the other hand, local skin reactions increased with the doses applied per week. So a prolonged treatment period of 8 or 12 weeks with an application frequence of 3 times a week seems to be a good compromise between efficacy and safety.
The current safety and efficacy study of imiquimod 5% cream in the treatment of nodular basal cell carcinoma (nBCC) will use a composite endpoint including both a clinical (visual) assessment of the target tumor site and a histological evaluation of an excisional surgery taken from the target tumor site for primary assessment of complete tumor clearance 8 weeks post treatment.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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BW
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Tübingen, BW, Germany, 72076
- Skin Cancer Program, Department of Dermatology, Liebermeisterstrasse 8
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients who are able to understand and willing to give informed consent prior to study procedures
- Age 18+
- Have one BCC which meets the following criteria: a primary tumor (not recurrent, not previously biopsied or treated; non-infected; located on the limbs, trunk (anogenital area excluded), neck, or head. The target tumor must be visible; maximum tumor area of 1.5 cm in diameter; macroscopically (clinically) consistent with nodular BCC; nodular subtype, with circumscribed growth pattern; histologically consistent with nBCC, and having no histological evidence of aggressive growth patterns; easily identifiable and treatable by subject or reliable subject representative;
- Are willing and able to participate in the study as an outpatient, making necessary visits to the clinic during the treatment period and comply with study requirements, including the following: A minimum of 1 and a maximum of 3 prestudy confirmatory biopsies of different tumors before beginning study drug treatment (each biopsy will remove no more than 25% of the target tumor); at least 4 or 5 clinic visits during the study; blood sampling at screening/initiation visit and end of treatment; urine pregnancy testing for females of childbearing potential at the screening/initiation visit and the end of treatment visits
- Are free of any significant physical abnormalities at the potential application site area, which would interfere with assessment of possible site reactions (eg, eczema, psoriasis, tattoos)
- If female and of childbearing potential, has negative urine pregnancy tests during screening/initiation visit, and is willing to use a medically acceptable method of contraception during the treatment period
Exclusion Criteria:
- High-risk areas within 0.5 cm of the eyes
- Have evidence of clinically significant, unstable medical conditions such as metastatic tumor or tumor with high probability of metastatic spread, cardiovascular (NYHA class III, IV), immunomodulation or immunosuppressive therapies, hematologic, hepatic, renal, neurologic, endocrine, collagen-vascular, gastrointestinal
- Have or had other malignant tumors of the skin within the target tumor site or surrounding area (eg, malignant melanoma, epithelioma spinocellular, squamous cell carcinoma). The surrounding area includes the skin within 2 cm of the target site margins in all directions
- Have received the following treatments for any indication in the target tumor site or surrounding area within the designated time period (6 weeks) before treatment initiation: Topical retinoids, Topical steroids, Surgical excision, Curettage, Cryo-, Thermo- or Chemodestruction, Photodynamic therapy, Therapeutic UV-Radiation
- Have received the following systemic treatments within the designated period before study treatment initiation: Interferon (6 weeks), Immunomodulators or immunosuppressive therapies (10 weeks), Cytotoxic drugs (6 months), Investigational drugs (8 weeks), Drugs known to have major organ toxicity (8 weeks), Corticosteroids (oral or injectable) (6 weeks), Inhaled corticosteroids (>1200 ng/day for beclomethasone, or >600 ng/day for fluticasone)(4 weeks)
- Have received any systemic cancer chemotherapy within 6 months before study treatment initiation
- Have known allergies to any excipient in the study cream (isostearic acid, benzyl alcohol, cetyl alcohol, stearyl alcohol, polysorbate 60, sorbitan monostearate, white petrolatum, glycerin, methyl paraben, propyl paraben, purified water, and xanthan gum
- Are known to be pregnant or lactating (currently or within the past 3 months). If the subject was pregnant, at least 3 months must have elapsed since parturition or termination
- Have any dermatological disease in the target tumor site or surrounding area that may be exacerbated by treatment with imiquimod or cause difficulty with examination (eg psoriasis, eczema)
- Are currently or within the past 8 weeks participating in another clinical study
- Have active chemical dependency or alcoholism as assessed by the investigator
- Have had a systemic bacterial or viral infection within 2 weeks prior to study initiation
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Factorial Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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Evaluate the clearance rate, defined as the proportion of subjects who are clinically and histologically clear of BCC at the treated nodular BCC target tumor site at the 8 week post-treatment visit
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
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intensity of local skin reactions such as erythema, vesicles, scarring
Time Frame: every 4 weeks during treatment
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every 4 weeks during treatment
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Cosmetic outcome
Time Frame: 8 weeks posttreamnt
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8 weeks posttreamnt
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Claus Garbe, MD, Skin Cancer Program, Department of Dermatology, University Hospital Tübingen
Study record dates
Study Major Dates
Study Start
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- BCC-IMI-001
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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