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Background: PDR001 is a high-affinity, humanized, anti-PD-1 IgG4 antibody that blocks PD-L1 & PD-L2 binding to PD-1. A phase 2, multi-center study assessed the efficacy & safety of PDR001 in pts with nonfunctional well- & poorly-differentiated (diff) neuroendocrine neoplasms.
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Yao et al. (2018) studied this question.
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