Combined iodine-125 seed strand, portal vein stent, transarterial chemoembolization, lenvatinib and anti-PD-1 antibodies therapy for hepatocellular carcinoma and Vp4 portal vein tumor thrombus: A propensity-score analysis
Frontiers in oncology(2023)
摘要
ObjectiveTo evaluate the safety and efficacy of interventional therapy (iodine-125[I-125] seed strand and portal vein stent [PVS] implantation plus transarterial chemoembolization [TACE]) combined with systemic therapy (lenvatinib plus anti-PD-1 antibody) as first-line treatment for hepatocellular carcinoma (HCC) patients with Vp4 portal vein tumor thrombus (PVTT). Patients and methodsFrom December 2018 to October 2021, 87 HCC patients with Vp4 PVTT were included in this single-center retrospective study. Forty-seven patients underwent interventional therapy combined with lenvatinib and anti-PD-1 antibody (group A), while 40 cases underwent interventional therapy combined with lenvatinib only (group B). Overall response rate (ORR), stent occlusion rates (SOR), median overall survival (OS), median progression-free survival (PFS) and median stent patency time (SPT) were compared between the 2 groups. ResultsThe mean intended dose (r = 10 mm; z = 0; 240 days) was 64.9 +/- 1.0 Gy and 64.5 +/- 1.1 Gy in group A and B, respectively (p = 0.133). ORR and SOR were significantly different between group A and B (ORR, 55.3% vs 17.5%, p < 0.001; SOR, 12.8% vs 35.0%, p = 0.014). In the propensity-score matching (PSM) cohort, the median OS, median PFS and median SPT were significantly longer in group A compared with group B (32 PSM pairs; OS, 17.7 +/- 1.7 vs 12.0 +/- 0.8 months, p = 0.010; PFS, 17.0 +/- 4.3 vs 8.0 +/- 0.7 months, p < 0.001; SPT, not-reached vs 12.5 +/- 1.1 months, p = 0.028). ConclusionThis interventional therapy combined with lenvatinib and anti-PD-1 antibody is safe and effective for HCC patients with Vp4 PVTT.
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关键词
hepatocellular carcinoma,portal vein tumor thrombus,iodine-125 seed strand,transarterial chemoembolization,lenvatinib,anti-PD-1 antibody
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