This study is designed for patients who had malignant melanoma and, following tumor removal, are now free of disease, or have only very minor residual disease, and are at a very high risk of disease recurrence. These patients will be treated with the A2/4-1BBL melanoma vaccine, a compatible melanoma cell line that has been engineered to express a molecule termed 4-1BBL, which enhances the chances of the cell line to be recognized by the patient's immune system, and to induce its stimulation. The hypothesis that drives the study states that the immune response against the cell line will also be effective against the residual tumor that may still be present in the body.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
50
On days 14, 35, 56, 77 and 98 the appropriate dose of irradiated M20/A2B cells will be injected into three adjacent sites on the upper arm or thigh, avoiding limbs where lymph node dissection had been previously performed.
Include brand names, serial numbers and code names, if applicable. Other names are used to improve search results on the ClinicalTrials.gov web site. On days 1 and 2 patients will be sensitized to DNP by topically applying 0.1 ml of 2% DNP dissolved in acetone-corn oil (Sigma) to the inner aspect of the arm.
On day 10, intravenous low dose cyclophosphamide, 300 mg/m2, will be administered.
Sharett Institute of Oncology, Hadassah Medical Organization
Jerusalem, Israel
RECRUITINGgrade 2-4 adverse events according to CTCEA criteria
Time frame: Day 1
monitoring anti-tumor immune response
Anti-tumor immune response will be measured by delayed type hypersensitivity in vivo and by in vitro lymphocyte response.
Time frame: Day 0
grade 2-4 adverse events according to CTCEA criteria
Time frame: Day 28
grade 2-4 adverse events according to CTCEA criteria
Time frame: Day 56
grade 2-4 adverse events according to CTCEA criteria
Time frame: month 3
grade 2-4 adverse events according to CTCEA criteria
Time frame: month 4
grade 2-4 adverse events according to CTCEA criteria
Time frame: month 5
grade 2-4 adverse events according to CTCEA criteria
Time frame: month 6
monitoring anti-tumor immune response
Anti-tumor immune response will be measured by delayed type hypersensitivity in vivo and by in vitro lymphocyte response
Time frame: Day 28
monitoring anti-tumor immune response
Anti-tumor immune response will be measured by delayed type hypersensitivity in vivo and by in vitro lymphocyte response
Time frame: Day 56
monitoring anti-tumor immune response
Anti-tumor immune response will be measured by delayed type hypersensitivity in vivo and by in vitro lymphocyte response
Time frame: month 3
monitoring anti-tumor immune response
Anti-tumor immune response will be measured by delayed type hypersensitivity in vivo and by in vitro lymphocyte response
Time frame: month 4
monitoring anti-tumor immune response
Anti-tumor immune response will be measured by delayed type hypersensitivity in vivo and by in vitro lymphocyte response
Time frame: month 5
monitoring anti-tumor immune response
Anti-tumor immune response will be measured by delayed type hypersensitivity in vivo and by in vitro lymphocyte response
Time frame: month 6
overall survival and disease free survival
Time frame: D1, Mo6, Mo10, Mo14, Mo18, Mo20, Mo24 and every 4 months till year 5
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