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RATIONALE: Vaccines may make the body build an immune response to kill tumor cells.
OBJECTIVES: I. Determine whether active specific immunization comprising tyrosinase and gp100:209-217 (gp100) peptides fused with OVA BiP peptide and heat shock protein 70 (HSP70) induces immunity against tyrosinase and gp100 in HLA-A2 positive patients with stage III or IV melanoma. II. Determine the lowest optimally immunogenic dose of tyrosinase and gp100 in these patients. III. Determine the tolerability of this regimen in these patients.
OUTLINE: This is a dose escalation study of tyrosinase and gp100:209-217 antigen (gp100). Patients receive vaccination comprising tyrosinase and gp100 fused with OVA BiP peptide and heat shock protein 70 (HSP70) subcutaneously on weeks 0, 1, 2, 6, and 18 for a total of 5 vaccinations in the absence of disease progression or unacceptable toxicity. Cohorts of 9 patients receive escalating doses of tyrosinase and gp100 until the lowest optimally immunogenic dose is determined. The lowest optimally immunogenic dose is defined as the dose at which 4 or more of 9 patients demonstrate T-cell responses.
PROJECTED ACCRUAL: A total of 27 patients will be accrued for this study.
Primary Purpose: Treatment
OVA BiP peptide, gp209-2M antigen, recombinant 70-kD heat-shock protein, tyrosinase peptide
Memorial Sloan-Kettering Cancer Center
National Cancer Institute (NCI)
Published on BioPortfolio: 2014-08-27T03:57:44-0400
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A family of heat-shock proteins that contain a 70 amino-acid consensus sequence known as the J domain. The J domain of HSP40 heat shock proteins interacts with HSP70 HEAT-SHOCK PROTEINS. HSP40 heat-shock proteins play a role in regulating the ADENOSINE TRIPHOSPHATASES activity of HSP70 heat-shock proteins.
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A constitutively expressed subfamily of the HSP70 heat-shock proteins. They preferentially bind and release hydrophobic peptides by an ATP-dependent process and are involved in post-translational PROTEIN TRANSLOCATION.
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