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    Association details:
    Biomarker:PD-L1 negative
    Cancer:Merkel Cell Carcinoma
    Drug:Bavencio (avelumab) (PD-L1 inhibitor)
    Direction:Sensitive
    Evidence:
    Evidence Level:
    Sensitive: C4 – Case Studies
    Source:
    Front Oncol
    Title:

    Case Report: Exceptional Response to Avelumab After Failure of Electrochemotherapy in a Patient With Rapidly Progressive, PD-L1-Negative Merkel Cell Carcinoma

    Published date:
    06/17/2021
    Excerpt:
    ...a patient with PD-L1-negative and MCPyV-negative MCC who had disease progression following ECT experienced complete tumor regression with avelumab treatment…
    DOI:
    https://doi.org/10.3389/fonc.2021.628324