Disclosed herein are dosage and administration methods for treatment of a mesothelin-expressing cancer in a human comprising administration of, e.g., a plurality of anti-mesothelin T cell receptor fusion protein-expressing T cells.

Disclosed are immunotherapeutic compositions and the concurrent use of combinations of such compositions for the improved induction of therapeutic immune responses and/or for the prevention, amelioration and/or treatment of disease, including, but not limited to, cancer and infectious disease.

The present invention relates to a Salmonella typhi Ty21a strain comprising a DNA molecule comprising at least one eukaryotic expression cassette encoding at least one tumor antigen, stroma antigen and/or checkpoint inhibitor antigen for the use in the treatment of cancer in a human subject following treatment with an antibiotic, wherein the Salmonellatyphi Ty21a strain is to be administered orally and optionally in combination with a checkpoint inhibitor.

The present invention relates to engineered immune cells expressing new mesothelin (MLSN) specific chimeric antigen receptors (anti-mesothelin CAR) and their use in the treatment of solid tumors, particularly suited for allogeneic cell immunotherapy.

The present invention relates to an attenuated strain of Salmonella comprising at least one copy of a DNA molecule comprising an expression cassette encoding Wilms' Tumor Protein (WT1), for use in the treatment of cancer, wherein the treatment further comprises the administration of at least one checkpoint inhibitor, particularly selected from at least one antibody against PD-1, PD-L1, CTLA-4, IDO, OX-40, GITR, TIM-3, and LAG-3. The present invention further relates to a pharmaceutical composition comprising an attenuated strain of Salmonella comprising at least one copy of a DNA molecule comprising an expression cassette encoding WT1 for use in the treatment of cancer, wherein the treatment further comprises the administration of at least one checkpoint inhibitor, particularly selected from at least one antibody against PD-1, PD-L1, CTLA-4, IDO, OX-40, GITR, TIM-3, and LAG-3.

This document provides methods and materials relating to isolated polypeptides, polypeptide preparations, vaccine preparations (e.g., anti-cancer vaccine preparations), and methods for vaccinating mammals. For example, polypeptides (e.g., CMV, MUC1, HER2, Mesothelin (MESO), TRAG-3, or CALR polypeptides) having the ability to be processed into different polypeptides such that the processed polypeptides as a group are capable of being presented by different MHC molecules present in a particular mammalian population are provided.

The disclosure provides immune cells comprising a first activator receptor specific to mesothelin and a second inhibitory receptor specific to a ligand that has been lost in a mesothelin-positive cancer cell, and methods of making and using same for the treatment of cancer.

Some embodiments of the present disclosure are directed to methods that include delivering to a subject a nucleic acid encoding an antigen, wherein the nucleic acid is delivered via a tumor-selective vehicle or via intratumoral injection, and delivering to the subject an immune cell expressing a receptor that binds to the antigen.

The invention provides compositions and methods improved CAR T cell therapies. Specifically, the invention provides cells with reduced Tet, e.g., Tet2 function or expression, and methods of use therefore. The invention further provides Tet2 inhibitors and methods of use therefore in connection with CAR T cells.

The present disclosure provides an allogeneic whole cell cancer vaccine platform that includes compositions and methods for treating and preventing cancer. Provided herein are compositions containing a therapeutically effective amount of cells from one or more cancer cell lines, some or all of which are modified to (i) inhibit or reduce expression of one or more immunosuppressive factors by the cells, and/or (ii) express or increase expression of one or more immunostimulatory factors by the cells, and/or (iii) express or increase expression of one or more tumor-associated antigens (TAAs), including TAAs that have been mutated, and which comprise cancer cell lines that natively express a heterogeneity of tumor associated antigens and/or neoantigens. Also provided herein are methods of making the vaccine compositions, methods of preparing, and methods of use thereof.