Study of Pembrolizumab (MK-3475) or Placebo Given With Best Supportive Care in Asian Participants With Previously Treated Advanced Hepatocellular Carcinoma (MK-3475-394/KEYNOTE-394)

Summary

The purpose of this study is to determine the efficacy and safety of pembrolizumab or placebo given with best supportive care (BSC) in Asian participants with previously systemically treated advanced hepatocellular carcinoma (HCC). The primary hypothesis of this study is that overall survival is prolonged in participants who receive pembrolizumab compared to those who receive placebo.

Timeline

Start

2017-04-27

Primary completion

2021-06-30

Completion

2024-10-15

Outcome

Met primary endpoint

registry analysis (superiority test); Pembrolizumab + BSC vs Placebo + BSC; p = 0.0180; Hazard Ratio (HR) 0.79 (95% CI 0.63 to 0.99) NCT03062358 ↗

Publications

• Background Qin S, Chen Z, Fang W, Ren Z, Xu R, Ryoo BY, Meng Z, Bai Y, Chen X, Liu X, Xiao J, Ho GF, Mao Y, Wang X, Ying J, Li J, Zhong W, Zhou Y, Siegel AB, Hao C. Pembrolizumab Versus Placebo as Second-Line Therapy in Patients From Asia With Advanced Hepatocellular Carcinoma: A Randomized, Double-Blind, Phase III Trial. J Clin Oncol. 2023 Mar 1;41(7):1434-1443. doi: 10.1200/JCO.22.00620. Epub 2022 Dec 1.
• Finn RS, Gu K, Chen X, Merle P, Lee KH, Bouattour M, Cao P, Wang W, Cheng AL, Zhu L, Lim HY, Kudo M, Pan Y, Chang TT, Edeline J, Li W, Yang P, Li C, Li J, Siegel AB, Qin S. Second-line pembrolizumab for advanced HCC: Meta-analysis of the phase III KEYNOTE-240 and KEYNOTE-394 studies. JHEP Rep. 2025 Feb 4;7(6):101350. doi: 10.1016/j.jhepr.2025.101350. eCollection 2025 Jun.

Drugs

Indications