Abstract Esophageal and gastric cancers collectively cause over 1.1 million deaths annually and only 20–30% of patients respond favorably to current therapies. Cellular therapies using invariant natural killer T (iNKT) cells are showing promise for patients with other cancers; therefore, we investigated if these cells are altered in esophageal and gastric cancer patients. Flow cytometric analysis of peripheral blood from 139 patients revealed that iNKT cells are depleted from patients...
Thu Feb 20, 2020 02:00
Abstract Background Hepatitis C virus (HCV) interferes with activation of innate and adaptive immune responses. Theoretically, the efficacy and toxicity of immune checkpoint inhibitors in cancer patients infected with HCV may differ. Nevertheless, HCV was an exclusion criterion in most checkpoint inhibitor trials. We evaluated the efficacy and safety of nivolumab in metastatic renal cell carcinoma (mRCC) patients with or without chronic...
Thu Feb 20, 2020 02:00
Abstract Tumor-associated antigens (TAAs) have been tested in various clinical trials in cancer treatment but the patterns of specific T cell response to personalized TAA immunization remains to be fully understood. We report antigen-specific T cell responses in patients immunized with dendritic cell vaccines pulsed with personalized TAA panels. Tumor samples from patients were first analyzed to identify overexpressed TAAs. Autologous DCs were then transfected with pre-manufactured...
Thu Feb 20, 2020 02:00
Abstract With the great success of anti-CTLA-4 and anti-PD-1 therapeutics in cancer immunotherapy, tumor necrosis factor receptor superfamily members have been recognized as ideal targets to provide co-stimulatory signals in combination with immune checkpoint blocking antibodies. Among these is OX40 (CD134), a co-stimulatory molecule expressed by activated immune cells. Recently, several anti-OX40 agonistic monoclonal antibodies, pogalizumab as the most advanced, have entered early...
Thu Feb 20, 2020 02:00
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