試題詳解

37. Which of the following statement about checkpoint blockade immunotherapy is NOT true?
(A) Checkpoint blockade can augment immune responses to existing tumors.
(B) Anti-PD-1 antibody immunotherapy acts to induce PD-1 signaling in T cells.
(C) Anti-PD-I antibodies, pembrolizumab and nivolumab, are approved for treatment of several types of cancers.
(D) Anti-CTLA-4 antibody, ipilimumab, is shown to be effective in treating metastatic melanoma.