Purpose: To compare the treatment efficacy and safety of transarterial chemoembolization (TACE) or hepatic arterial infusion chemotherapy (HAIC) combined with tyrosine kinase inhibitors (TKIs) and programmed cell death protein-1 (PD-1) inhibitors for patients with unresectable hepatocellular carcinoma (HCC).

Patients And Methods: 81 unresectable HCC patients were retrospectively analyzed, including 30 or 51 patients treated with either TKIs and PD-1 inhibitors combined with TACE (TTP) or HAIC (HTP), respectively. Tumor response and survival outcomes were compared.

Results: The median overall survival (mOS) was 21.0 months in the TTP group and 15.0 months in the HTP group (P = 0.525; HR = 1.23; 95% CI 0.66-2.29). The median progression-free survival (mPFS) was 6.7 months in the TTP group and 9.9 months in the HTP group (P = 0.160; HR = 0.70; 95% CI 0.42-1.16). After Propensity Score Matching (PSM), the mOS was 21.0 months in the TTP group and 18.0 months in the HTP group (P = 0.644; HR = 1.20; 95% CI 0.56-2.58). The mPFS was 6.4 months in the TTP group and 15.0 months in the HTP group (P = 0.028; HR = 0.49; 95% CI 0.26-0.93). The disease control rate in overall response (90.2% vs 76.7%, P = 0.116, before PSM; 91.7% vs 75.0%, P = 0.121, after PSM) and intrahepatic response (94.1% vs 80.0%, P = 0.070, before PSM; 91.7% vs 79.2%, P = 0.220, after PSM) were higher in the HTP group than in the TTP group.

Conclusion: Though including more advanced tumors, the clinical outcomes of HAIC combined with TKIs and PD-1 inhibitors are comparable to TACE-based combination therapy for unresectable HCC. Nevertheless, HTP significantly improved the PFS benefits in HCC patients with with large tumor burden or vascular invasion.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10596130PMC
http://dx.doi.org/10.2147/JHC.S436211DOI Listing

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