• Hong Jun Lee, Jae Seung Lee, Hyesung So, Ja Kyung Yoon, Jin-Young Choi, Hye Won Lee, Beom Kyung Kim, Seung Up Kim, Jun Yong Park, Sang Hoon Ahn, and KimDo YoungDY0000-0002-8327-3439Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.Yonsei Liver Center, Severance Hospital, Seoul, Korea. .
• Yonsei University College of Medicine, Seoul, Korea.
• Yonsei Med. J. 2024 Jul 1; 65 (7): 371379371-379.

PurposeNivolumab and regorafenib are second-line therapies for patients with advanced hepatocellular carcinoma (HCC). We aimed to compare the effectiveness of nivolumab and regorafenib.Materials And MethodsWe retrospectively reviewed patients with HCC treated with nivolumab or regorafenib after sorafenib failure. Progression-free survival (PFS) and overall survival (OS) were analyzed. An inverse probability of treatment weighting using the propensity score (PS) was performed to reduce treatment selection bias.ResultsAmong the 189 patients recruited, 137 and 52 patients received regorafenib and nivolumab after sorafenib failure, respectively. Nivolumab users showed higher Child-Pugh B patients (42.3% vs. 24.1%) and shorter median sorafenib maintenance (2.2 months vs. 3.5 months) compared to regorafenib users. Nivolumab users showed shorter median OS (4.2 months vs. 7.4 months, p=0.045) than regorafenib users and similar median PFS (1.8 months vs. 2.7 months, p=0.070). However, the median overall and PFS did not differ between the two treatment groups after the 1:1 PS matching (log-rank p=0.810 and 0.810, respectively) and after the stabilized inverse probability of treatment weighting (log-rank p=0.445 and 0.878, respectively). In addition, covariate-adjusted Cox regression analyses showed that overall and PFS did not significantly differ between nivolumab and regorafenib users after 1:1 PS matching and stabilized inverse probability of treatment weighting (all p>0.05).ConclusionClinical outcomes of patients treated with nivolumab and regorafenib after sorafenib treatment failure did not differ significantly.© Copyright: Yonsei University College of Medicine 2024.

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