KEYNOTE-629: Health-related quality of life (HRQoL) with pembrolizumab (pembro) in patients (pts) with locally advanced (LA) or recurrent or metastatic (R/M) cutaneous squamous cell carcinoma (cSCC).

9546Background: KEYNOTE-629 is a single-arm phase 2 study of pembro for cSCC. At second interim analysis (IA), pembro had robust and durable antitumor activity and manageable safety in LA and R/M c...