early and may be sustained. The optimal duration of treatment with these agents is
unknown. Here, we report the case of a 51-year-old woman treated with pembrolizumab, as
part of the Keynote-001 trial, as first-line treatment for metastatic disease. She experienced a
complete response after 13.8 months of treatment with no adverse events. One month after
the last drug infusion and 18 months from starting treatment, the patient presented with …