A phase I, open-label, dose-escalation and cohort expansion study evaluating the safety and immune response to autologous dendritic cells transduced with AdGMCA9 in patients with metastatic renal cell carcinoma.
2018
653Background: We developed a fusion gene construct, GM-CSF + CAIX, transduced by a replication deficient adenovirus into autologous dendritic cells (DC) that are injected in patients with metastatic RCC (mRCC) in this phase 1 study targeting CAIX overexpressed on RCC tumors. Methods: A recombinant adenovirus encoding the GMCSF-CAIX fusion gene (AdGMCAIX) manufactured per GMP in collaboration with the NCI Rapid Access to Intervention Development (RAID) program. The final product was produced using DCs produced ex-vivo from patients’ peripheral blood mononuclear cells (PBMC), by culturing with GM-CSF & IL-4, then engineered with AdGMCAIX prior to intradermal injection. The injected transduced DCs were expected to stimulate an antigen specific immune response against CAIX expressing RCC. Three dose escalation cohorts (5, 15, and 50 X 106 cells/administration) were injected based on 3+3 design. DC-AdGMCAIX was given intradermally q2wkX3 doses. The primary aim is safety. Secondary aims are to evaluate immune ...
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