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Safety Study of Adjuvant Vaccine to Treat Melanoma Patients

2014-08-27 03:15:30 | BioPortfolio

Summary

The incidence of melanoma is increasing with an estimated incidence of 59,940 cases and an annual death rate of 8110 in 2007. Although patients diagnosed with early stage disease have an excellent clinical outcome, patients diagnosed with advanced or recurrent disease, continue to have a high mortality rate, even with initial optimal surgical resection. Effective adjuvant strategies are needed to increase the time to progression and to decrease the recurrence rate. Immunotherapy has long been recognized as a potential therapy for melanoma; the goal of adjuvant vaccine therapy is to train the endogenous immune system to recognize and target minimal residual disease.

Description

This is a Phase I open label dose escalation study of the TLR3 agonist Poly-ICLC as an adjuvant for NY-ESO-1 protein vaccination in patients with high risk melanoma in clinical complete remission (cCr), followed by a randomized Phase II component in which patients will be randomized to subcutaneous vaccination of NY-ESO-1 protein with Poly-ICLC alone dose TBD (Arm A) or with NY-ESO-1 protein, Poly-ICLC dose TBD and Montanide® ISA-51 VG (Montanide) (Arm B).

Patients with histological confirmed malignant melanoma, AJCC Stages: IIB, IIC, III or IV, who are in complete clinical remission (cCr) but at high risk of disease recurrence, will be eligible for enrollment, regardless of whether antigen expression in the autologous tumor can be demonstrated by either PCR or immunohistochemistry.

Primary Objectives:

- Phase I: To define the safety of subcutaneous vaccination with NY-ESO-1 protein, Montanide and escalating doses of Poly-ICLC.

- Phase II: To evaluate the induction of humoral and T cell (CD4+ and CD8+) immunity to subcutaneous vaccination with NY-ESO-1 protein in combination with Poly-ICLC when given with or without Montanide.

Exploratory analyses:

- Evaluation of primary tumor expression of NY-ESO-1 by IHC or RT-PCR.

- Histologic quantitation of original tumor TILs (tumor infiltrating lymphocytes), CD3+ cells, evaluation of mitotic index and correlation of this data with immunologic response.

- Correlation of NY-ESO-1 specific T cell responses with HLA type

- Investigation of polymorphisms for TLR3 through germline SNP analysis.

- Clinical Outcome (Time to Progression) reported descriptively.

- Skin section analysis of protein/adjuvant treated sites for immune cell infiltration and gene expression analysis

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Melanoma

Intervention

NY-ESO-1 protein; Poly-ICLC; Montanide

Location

New York University Langone Medical Center
New York
New York
United States
10016

Status

Not yet recruiting

Source

Bhardwaj, Nina, M.D.

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:15:30-0400

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Medical and Biotech [MESH] Definitions

A poly(A) binding protein that is involved in promoting the extension of the poly A tails of MRNA. The protein requires a minimum of ten ADENOSINE nucleotides in order for binding to mRNA. Once bound it works in conjunction with CLEAVAGE AND POLYADENYLATION SPECIFICITY FACTOR to stimulate the rate of poly A synthesis by POLY A POLYMERASE. Once poly-A tails reach around 250 nucleotides in length poly(A) binding protein II no longer stimulates POLYADENYLATION. Mutations within a GCG repeat region in the gene for poly(A) binding protein II have been shown to cause the disease MUSCULAR DYSTROPHY, OCULOPHARYNGEAL.

A poly(A) binding protein that has a variety of functions such as mRNA stabilization and protection of RNA from nuclease activity. Although poly(A) binding protein I is considered a major cytoplasmic RNA-binding protein it is also found in the CELL NUCLEUS and may be involved in transport of mRNP particles.

A melanosome-specific protein that plays a role in the expression, stability, trafficking, and processing of GP100 MELANOMA ANTIGEN, which is critical to the formation of Stage II MELANOSOMES. The protein is used as an antigen marker for MELANOMA cells.

An unpigmented malignant melanoma. It is an anaplastic melanoma consisting of cells derived from melanoblasts but not forming melanin. (Dorland, 27th ed; Stedman, 25th ed)

Experimentally induced tumor that produces MELANIN in animals to provide a model for studying human MELANOMA.

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