Article Dans Une Revue JHEP Reports Innovation in Hepatology Année : 2025

First-line chemotherapy with selective internal radiation therapy for intrahepatic cholangiocarcinoma

Mathilde Vincens
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Sylvain Manfredi
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  • PersonId : 1014888
Léo Mas
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  • PersonId : 1104243

Résumé

Background and Aims: Selective internal radiation therapy (SIRT) is a promising option for liver-only unresectable intrahepatic cholangiocarcinoma (iCCA). The Real-SIRTCCA study retrospectively assessed the benefit of adding SIRT to chemotherapy in this setting within the French nationwide observational cohort ACABi-GERCOR-PRONOBIL. Methods: Inclusion criteria were advanced iCCA with limited or no extrahepatic disease, treated with first-line gemcitabine plus platinum chemotherapy +/- concurrent SIRT. All patients treated with chemotherapy and concurrent SIRT were included. To ensure groups' similarity, a rigorous selection was applied to the chemo-only group, with exclusion of patients with liver involvement >50% and extrahepatic metastases. The primary outcome was progression-free survival (PFS). Secondary outcomes were overall survival (OS), objective response rate (ORR) and tumor resection rate. Propensity score and inverse probability of treatment weighting (IPTW) propensity approaches were used to address confounding factors between groups. Results: Between July 2007 and December 2023, 277 patients met the Real-SIRTCCA inclusion criteria, with 88 in the chemoSIRT group and 189 in chemo-only group. Chemo-SIRT was associated with longer PFS (median = 10.8 vs. 5.5 months, hazard ratio [HR] 0.54, 95% CI 0.41-0.71, p <0.0001), a trend for longer OS (median = 22.5 vs. 15.1 months, HR 0.76, 95% CI 0.571.01), higher ORR (58.3% vs. 28.5%, odds ratio [OR] 3.51, 95% CI 2.03-6.09, p <0.0001), and resection rate (18.7% vs. 8.8%, p = 0.0279) compared to chemo-alone. After IPTW, the superiority of chemo-SIRT was confirmed with better PFS (HR 0.55, 95% CI 0.45-0.66, p <0,0001), OS (HR 0.70, 95% CI 0.58-0.85, p = 0.0004), ORR (OR 3.17, 95% CI 2.18-4.49, p <0.0001) and resection rate (OR 2.94, 95% CI 1.71-5.03, p <0.0001). Conclusions: Adding SIRT to first-line chemotherapy significantly improved survival outcomes, ORR, and secondary tumor resection rates in locally advanced iCCA. Prospective randomized data are needed to confirm these results. Clinical trial number: NCT04935853. (c) 2024 The Author(s). Published by Elsevier B.V. on behalf of European Association for the Study of the Liver (EASL). This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Cancer
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Commentaire All data associated with this study are present within the main text or in the Supplementary material

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hal-04932838 , version 1 (06-02-2025)

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Nicolas Adamus, Julien Edeline, Julie Henriques, Nadim Fares, Thierry Lecomte, et al.. First-line chemotherapy with selective internal radiation therapy for intrahepatic cholangiocarcinoma. JHEP Reports Innovation in Hepatology, 2025, 7 (2), pp.101279. ⟨10.1016/j.jhepr.2024.101279⟩. ⟨hal-04932838⟩
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