Peptide Vaccination With PD-L1 and PD-L2 Peptides in Untreated Chronic Lymphatic Leukemia.

PD-L1: 19 amino acid sequence from the PD-L1 protein; PD-L2: 21 amino acid sequence from the PD-L2 protein; The peptides are dissolved in dimethyl sulphoxide (DMSO) and mixed with Montanide.