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Original Article | Open Access

Evaluating Tislelizumab, Lenvatinib, and FOLFOX4-HAIC as a Conversion Therapy for Unresectable Hepatocellular Carcinoma

Kai Tana,1Xiaojun Hea,1Haoran Yuanb,1Shoujie ZhaoaChenyu GongcYaoyao ZhaoaHaiyan NandLi ZangaZhonghua Luoe,2( )Xilin Dua,2( )
Department of General Surgery, Tangdu Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an 710038, Shanxi Province, China
Department of Infectious Disease, The 964th Hospital of the People's Liberation Army of China, Changchun 130062, Jilin Province, China
Graduate School of Xi'an Medical University, Xi'an 710021, Shanxi Province, China
Department of Radiology, Tangdu Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an 710038, Shanxi Province, China
Department of Intervention Center, Tangdu Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an 710038, Shanxi Province, China

1These authors share the co-first authorship.

2These authors share the co-corresponding authorship.

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Abstract

Background and aims

Conversion therapy downstages tumors and renders patients with unresectable hepatocellular carcinoma (HCC) eligible for radical resection. This study aimed to evaluate the efficacy and safety of tislelizumab plus lenvatinib and hepatic artery infusion chemotherapy with oxaliplatin, fluorouracil, and leucovorin (FOLFOX4-HAIC) as a first-line conversion therapy.

Methods

Clinical data from HCC patients who were treated with the triple therapy between April 2021 and April 2022 were retrospectively analyzed. The primary outcome included objective response rate (ORR), disease control rate (DCR), conversion resection rate (CRR), and treatment-related adverse events (TRAEs).

Results

A total of 18 patients completed conversion therapy assessment, which ended on March 27, 2023. The patients had a median age of 55.5 (37–72) years, and 94.4% were male. According to mRECIST, tumor shrinkage was observed in all patients, with an ORR of 94.4% (17/18), a DCR of 94.4% (17/18), and a median time to response of 1.4 (0.7–3.0) months. Successful conversion was observed in 61.1% (11/18) of patients (mRECIST). The CRR and pathological complete response were 38.9% (7/18) and 57.1% (4/7), respectively. The median progression-free survival (PFS) was 17.8 months, while median overall survival was not reached. The 6-and 9-month PFS rates were 83.3% and 66.7%, respectively. The most common TRAE (16/18 patients, 88.9%) was an increase in aspartate aminotransferase levels.

Conclusion

Tislelizumab combined with lenvatinib and FOLFOX4-HAIC achieved a high conversion rate and acceptable toxicity in patients with unresectable HCC, suggesting that this combination may represent a new conversion strategy for this population.

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iLIVER
Pages 163-169
Cite this article:
Tan K, He X, Yuan H, et al. Evaluating Tislelizumab, Lenvatinib, and FOLFOX4-HAIC as a Conversion Therapy for Unresectable Hepatocellular Carcinoma. iLIVER, 2023, 2(3): 163-169. https://doi.org/10.1016/j.iliver.2023.08.003

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Received: 31 May 2023
Revised: 26 July 2023
Accepted: 07 August 2023
Published: 30 August 2023
© 2023 Tsinghua University Press.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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