A Phase 3 Study of Pembrolizumab Versus Placebo for Previously Treated Patients from Asia with Hepatocellular Carcinoma: Health-Related Quality of Life Analysis from KEYNOTE-394
LIVER CANCER（2024）
Nanjing Tianyinshan Hosp | Zhejiang Univ | Fudan Univ | Hunan Canc Hosp | Samsung Med Ctr | Hubei Canc Hosp | Pamela Youde Nethersole Eastern Hosp | Yonsei Univ Hlth Syst | Yangzhou 1 Peoples Hosp | Soochow Univ | Nantong Tumor Hosp | Princess Margaret Hosp | Chia Yi Chang Gung Mem Hosp | China Med Univ Hosp | Beacon Hosp Sdn Bhd | Merck & Co. | Merck & Co Inc | MSD China | Anhui Med Univ
Abstract
Introduction: KEYNOTE-394 showed pembrolizumab significantly improved overall survival, progression-free survival, and objective response rate with manageable safety versus placebo for patients from Asia with previously treated advanced hepatocellular carcinoma. We present results on health-related quality of life (HRQoL). Methods: HRQoL was evaluated using the EORTC Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30) and EuroQol-5D-3L (EQ-5D-3L) questionnaires. Key HRQoL endpoints were least squares mean (LSM) score changes from baseline to week 12 and time to deterioration (TTD) for EORTC QLQ-C30 global health status (GHS)/QoL. p values were one-sided and nominal without adjustment for multiplicity. Results: The HRQoL population included patients randomly assigned to pembrolizumab (n = 298) and placebo (n = 152). From baseline to week 12, a greater decline in EORTC QLQ-C30 GHS/QoL score was observed with placebo (LSM, -8.4; 95% CI: -11.7 to -5.1) versus pembrolizumab (-4.0; 95% CI: -6.4 to -1.6; difference vs. placebo: 4.4; 95% CI: 0.5-8.4; nominal p = 0.0142). Similarly, a greater decline in the EQ-5D-3L visual analog scale score was observed with placebo (-6.9; 95% CI: -9.4 to -4.5) versus pembrolizumab (-2.7; 95% CI: -4.5 to -1.0; difference vs. placebo: 4.2; 95% CI: 1.2-7.2; nominal p = 0.0030). TTD in EORTC QLQ-C30 GHS/QoL score was similar between arms (hazard ratio, 0.85; 95% CI: 0.58-1.25; nominal p = 0.1993). Conclusion: Patients receiving placebo showed a greater decline in HRQoL than those receiving pembrolizumab. Combined with efficacy and safety data from KEYNOTE-394 and the global KEYNOTE-240 and KEYNOTE-224 trials, our data support the clinically meaningful benefit and manageable tolerability of pembrolizumab as second-line therapy for patients with advanced hepatocellular carcinoma.
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Key words
Health-related quality of life,Patient-reported outcomes,KEYNOTE-394,PD-1 inhibitor,Previously treated patients
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