A new synthetic toll-like receptor 1/2 ligand is an efficient adjuvant for peptide vaccination in a human volunteer. - Rammensee HG; Wiesmüller KH; Chandran PA; Zelba H; Rusch E; Gouttefangeas C; Kowalewski DJ; Di Marco M; Haen SP; Walz JS; Gloria YC; Bödder J; et al. (Journal for immunotherapy of cancer, 2019)