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Deprecated: Implicit conversion from float 286.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Oncologist 2024 ; ä (ä): ä Nephropedia Template TP
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Radiotherapy with targeted and immunotherapy improved overall survival and progression-free survival for hepatocellular carcinoma with portal vein tumor thrombosis #MMPMID39231443
Ma J; Zhang H; Zheng R; Wang S; Ding L
Oncologist 2024[Sep]; ä (ä): ä PMID39231443show ga
BACKGROUND: The efficacy of radiotherapy (RT) combined with targeted therapy and immunotherapy in treating hepatocellular carcinoma (HCC) and portal vein tumor thrombosis (PVTT) is still unclear. This study investigated the efficacy and safety of RT combined with targeted therapy and immunotherapy in HCC with PVTT. MATERIALS AND METHODS: Seventy-two patients with HCC with PVTT treated with tyrosine kinase inhibitor (TKI) plus programmed cell death protein-1 (PD-1) inhibitor with or without RT from December 2019 to December 2023 were included. After propensity score matching (PSM) for adjusting baseline differences, 32 pairs were identified in RT + TKI + PD-1 group (n = 32) and TKI + PD-1 group (n = 32). Primary endpoints were overall survival (OS) and progression-free survival (PFS). Secondary endpoints included objective response rate (ORR), disease control rate (DCR), and treatment-related adverse events (TRAEs). RESULTS: Median OS (mOS) in RT + TKI + PD-1 group was significantly longer than TKI + PD-1 group (15.6 vs. 8.2 months, P = .008). Median PFS (mPFS) in RT + TKI + PD-1 group was dramatically longer than TKI + PD-1 group (8.1 vs. 5.2 months, P = .011). Patients in TKI + PD-1 + RT group showed favorable ORR and DCR compared with TKI + PD-1 group (78.1% vs. 56.3%, P = .055; 93.8% vs. 81.3%, P = .128). Subgroup analysis demonstrated a remarkable OS and PFS benefit with TKI + PD-1 + RT for patients with main PVTT (type III/IV) and those of Child-Pugh class A. Multivariate analysis confirmed RT + TKI + PD-1 as an independent prognostic factor for longer OS (HR 0.391, P = .024) and longer PFS (HR 0.487, P = .013), with no mortality or severe TRAEs. CONCLUSION: RT combined with TKI and PD-1 inhibitor could significantly improve mOS and mPFS without inducing severe TRAEs or mortality.