Spots Global Cancer Trial Database for Cyclophosphamide, TAPA-Pulsed Dendritic Cell Therapy and Imiquimod in Progressive and/or Refractory Solid Malignancies

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Trial Identification

Brief Title: Cyclophosphamide, TAPA-Pulsed Dendritic Cell Therapy and Imiquimod in Progressive and/or Refractory Solid Malignancies

Official Title: Phase I/II Study of Low-Dose Cyclophosphamide, Tumor Associated Peptide Antigen-Pulsed Dendritic Cell Therapy and Imiquimod, in Patients With Progressive and/or Refractory Solid Malignancies

Study ID: NCT02224599

Conditions

Progressive Solid Malignancies

Refractory Solid Malignancies

Cancer

Interventions

TAPA-pulsed DC vaccine

Cyclophosphamide Pill

Imiquimod Topical Cream

Study Description

Brief Summary: Patients diagnosed with progressive and/or refractory solid malignancies, who have failed conventional therapy, and have no available, potentially curative therapeutic options, will be candidates for this Phase I/II study. Following confirmation of disease progression and/or refractoriness, eligible patients who agree to participate and sign an informed consent form will have their tumor cells/tissues and/or blood analyzed for the expression of a specific panel of Tumor Associated Peptide Antigens (TAPAs), including Sp17, ropporin, AKAP-4, PTTG1, Span-xb, Her-2/neu, HM1.24, NY-ESO-1 and MAGE-1.

Detailed Description: For patients whose tumors express one (1) or more of these TAPAs (Sp17, ropporin, AKAP-4, PTTG1, Span-xb, Her-2/neu, HM1.24, NY-ESO-1 and MAGE-1), whole blood will be obtained by phlebotomy and/or leukapheresis performed for generation of autologous DCs. Patient's DCs will be generated in Kiromic's Cell Processing GMP facility, according to established Standard Operating Procedures, and activated by pulsing/loading them with the TAPA(s) relevant for each particular patient. Patients will receive five (5) days of low-dose cyclophosphamide 5 to 7 days prior to each vaccination with TAPA-pulsed DCs to decrease Treg activity. Patients will also receive a single dose of topical Imiquimod cream after each vaccination. TAPA-pulsed DCs will be administered at a fixed dose of up to 1 X 107 DCs. DC vaccination schedule will be weekly via intradermal (ID) injections for a total of 3 vaccinations. Topical Imiquimod cream will also be administered once after the vaccination. Patients will be followed on a weekly basis (or more frequently if required) to evaluate treatment-related toxicity. Immune efficacy and anti-tumor responses will be evaluated per protocol specifications. Continuation and stopping rules for the study will be defined based on toxicity/tolerability (Phase I) and immune efficacy (Phase II).