- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01456104
Immune Responses to Autologous Langerhans-type Dendritic Cells Electroporated With mRNA Encoding a Tumor-associated Antigen in Patients With Malignancy: A Single-arm Phase I Trial in Melanoma
This study is being done to see if the investigators can help the immune system to work against melanoma.
A dendritic cell is another type of white blood cell. It has most, if not all, of the proteins needed to make T cells work to destroy cancer cells. However, dendritic cells do not normally have the cancer proteins on their surface. The challenge then is to combine the antigens with dendritic cells to make a vaccine. The investigators think that the body's T cells might then react against the tumor and help destroy it.
This study will see if altered dendritic cells will make T cells work against tumor cells. The dendritic cells will be made in a lab and will carry the antigens. These cells then will be injected under the skin.
In this study, the investigators are trying to help the body make a stronger immune response against the cancer. The patient will get the same kind of dendritic cell vaccine used in the earlier study, but with one major difference. The dendritic cells will contain messenger-RNA (mRNA). Cells use mRNA to make proteins. The mRNA will be put into dendritic cells by a laboratory method called electroporation. The mRNA is never given to the patient directly. This mRNA will help the dendritic cell make a tumor antigen like what the cancer expresses. The dendritic cell can then put this tumor antigen on its surface so that the body could make a stronger immune response against the tumor.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Phase 1
Contacts and Locations
Study Locations
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New York
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New York, New York, United States, 10065
- Memorial Sloan Kettering Cancer Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Diagnosis of melanoma, AJCC stage IIB, IIC, III, or IV (MIa), with histologic confirmation by the Department of Pathology at MSKCC.
- Patients must be HLA-A*0201 positive, based on high resolution DNA level typing.
- Expected survival of greater than 3 months.
- Karnofsky performance status of 70 or higher
- All patients should have undergone surgical treatment appropriate to their stage of disease
- Patients may not have received chemotherapy, immunotherapy, or radiation within a minimum of 28 days (minimum of 42 days for nitrosoureas or mitomycin) before participation in this protocol.
Exclusion Criteria:
- Pregnant or lactating women because of unknown risks to the fetus or infant.
- Patients requiring systemic corticosteroids or comparable exogenous immunosuppressive agent(s) (no exclusion for use of NSAIDs).
- Patients with a known immunodeficiency (e.g., infection with HTLV-1,2, HIV-1,2; etc.).
- Patients with coexisting autoimmune diseases, except vitiligo.
- Patients with baseline impairments of hematologic, hepatic, or renal function (CTCAE v4.0 > grade 1, ANC < 1500, hgb < 10.0 g/dl, plts < 75,000/ul, AST > 3x ULN, creatinine > 1.5xULN), all assessed within four weeks of study entry.
- Patients with organ allografts.
- Patients who are status post splenectomy or status post splenic irradiation.
- Patients with a history of documented pre-existing retinal/choroidal disease.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: vaccine
This is a single-arm phase I trial in patients with AJCC stage IIB, IIC, III, and IV (MIa) melanoma in which autologous human Langerhans-type dendritic cells (CD34+hematopoietic progenitor cell (HPC)-derived Langerhans cells, or LCs) will be electroporated with mRNA encoding full-length murine tyrosinase-related peptide 2 (TRP2).
LCs will also be loaded with control antigens (HLA-A*0201-restricted flu matrix peptide).
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Patients will receive a total of 5 vaccinations, comprising a primary immunization followed by four boosters at 3 week intervals with a window of ± 4 days.
Vaccines will be dosed at 10x106 LCs per vaccine x 5.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
safety
Time Frame: 1 year
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Toxicity will be graded according to standard NCI/CTEP toxicity criteria.
This protocol will use the Common Terminology Criteria for Adverse Events (CTCAE) v4.0
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1 year
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toxicity
Time Frame: 1 year
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Toxicity will be graded according to standard NCI/CTEP toxicity criteria.
This protocol will use the Common Terminology Criteria for Adverse Events (CTCAE) v4.0.
Due to the nature of this treatment and the expected mild erythema and occasional pruritus, only grade 3-4 toxicities will be evaluated
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1 year
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
immunogenicity
Time Frame: 1 year
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For this study, the vaccine is considered promising if more than four out of the nine patients have an immunologic response (e.g., tetramer staining and intracellular cytokine secretion assays).
Samples taken after vaccination will be considered positive for response if they are higher than the pre-vaccination values by at least two standard deviations.
For each patient, the standard deviation of the background (calculated using triplicates) will be computed, and a positive will be defined as greater than two times this value.
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1 year
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: James Young, MD, Memorial Sloan Kettering Cancer Center
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
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
- 10-229
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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