Health-related quality of life (HRQoL) of pembrolizumab (pembro) vs chemotherapy (chemo) for previously treated advanced urothelial cancer (UC) in KEYNOTE-045.
2017
4530Background: In KEYNOTE-045 (NCT02256436) (N = 542), pembro 200 mg Q3W significantly improved OS over investigator’s choice of paclitaxel, docetaxel, or vinflunine as second-line therapy for advanced UC following platinum-based chemo (HR 0.73; P = 0.0022). Fewer treatment-related AEs were reported with pembro. We present results of the prespecified HRQoL analysis of KEYNOTE-045. Methods: The EORTC QLQ-C30 HRQoL instrument was administered electronically at cycles 1–4, then every 2 cycles for up to 1 y and 30 d after discontinuation. The key HRQoL end points were 1) change from baseline to wk 15 and 2) time to deterioration (TTD) (defined as ≥10-point decrease from baseline) in the QLQ-C30 global health status/QoL score. HRQoL was assessed in patients (pts) who received ≥1 dose of assigned study treatment and completed ≥1 HRQoL instrument (N = 520). Score change from baseline was compared using a constrained longitudinal data analysis model. TTD was compared using a stratified log-rank test and Cox prop...
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