Method for predicting the effect of tumor immunotherapy using tumor cell cytotoxicity of peripheral blood T cells as an index

摘要

An object of the present invention is to provide a companion diagnosis for predicting the effect of tumor immunotherapy. Step 1 of directly or indirectly contacting a peripheral blood mononuclear cell collected from a patient to be treated for a malignant tumor with a tumor cell in vitro, and the tumor cell contacted with the peripheral blood mononuclear cell in the step 1 Step 2 of determining whether or not the patient has been injured, and when it is determined in Step 2 that the tumor cells are injured, the tumor immunotherapy is effective for the malignant tumor of the patient The effect of the tumor immunotherapy is predicted by the method including the step of determining 3.