The role of active vaccination in cancer immunotherapy: lessons from clinical trials.

In the past few years, a number of different immunotherapeutic strategies have shown impressive results in cancer patients. These successful approaches include blockade of immunosuppressive molecules like PD-1 and CTLA-4, adoptive transfer of patient derived and genetically modified T-cells, and vaccines that stimulate tumor antigen specific T-cells. However, several large vaccine trials recently failed to reach designated primary endpoints. In light of the success of other immunotherapeutic approaches, these negative results raise the questions of why vaccines have not generated a better response, and what the role of active vaccination will be moving forward in cancer immunotherapy.

Kissick HT, Sanda MG


Curr. Opin. Immunol., 2015, 35

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