Monitoring of Immunological Mechanisms and Biomarkers Underlying Efficacy and Toxicity of Cancer Immunotherapy

"Tumor biopsy specimens and blood samples will be collected at different time points:~* Baseline~* before the 3rd ICB administration (blood samples only)~* before the 5th ICB administration (blood samples only)~* at the time of treatment permanent discontinuation (blood samples only)~* at the time of progression (tumor biopsy specimens only)~* after the last dose of ICB treatment (blood samples only taken twice per year until study termination)"