The present invention provides a peptide that includes eight or more consecutive amino acid residues of amino acid sequence of one of Sequence ID Nos. 1 to 12 and that consists of eleven or less amino acid residues.

The present invention relates to peptides, proteins, nucleic acids and cells for use in immunotherapeutic methods. In particular, the present invention relates to the immunotherapy of cancer. The present invention furthermore relates to tumor-associated T-cell peptide epitopes, alone or in combination with other tumor-associated peptides that can for example serve as active pharmaceutical ingredients of vaccine compositions that stimulate anti-tumor immune responses, or to stimulate T cells ex vivo and transfer into patients. Peptides bound to molecules of the major histocompatibility complex (MHC), or peptides as such, can also be targets of antibodies, soluble T-cell receptors, and other binding molecules.

Disclosed herein are chimeric antigen receptors (CARs) that target MUC1*. In some embodiments, the CARs have been optimized to reduce T cell exhaustion.