Progression patterns and therapeutic sequencing following immune checkpoint inhibition for hepatocellular carcinoma: An international observational study

Thomas Talbot, Antonio D'Alessio, Matthias Pinter, Lorenz Balcar, Bernhard Scheiner, Thomas U. Marron, Tomi Jun, Sirish Dharmapuri, Celina Ang, Anwaar Saeed, Hannah Hildebrand, Mahvish Muzaffar, Claudia A.M. Fulgenzi, Suneetha Amara, Abdul Rafeh Naqash, Anuhya Gampa, Anjana Pillai, Yinghong Wang, Uqba Khan, Pei Chang LeeYi Hsiang Huang, Bertram Bengsch, Dominik Bettinger, Yehia I. Mohamed, Ahmed Kaseb, Tiziana Pressiani, Nicola Personeni, Lorenza Rimassa, Naoshi Nishida, Masatoshi Kudo, Arndt Weinmann, Peter R. Galle, Ambreen Muhammed, Alessio Cortellini, Arndt Vogel, David J. Pinato

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Background and Aims: Different approaches are available after the progression of disease (PD) to immune checkpoint inhibitors (ICIs) for hepatocellular carcinoma (HCC), including the continuation of ICI, treatment switching to tyrosine kinase inhibitors (TKIs) and cessation of anticancer therapy. We sought to characterise the relationship between radiological patterns of progression and survival post-ICI, also appraising treatment strategies. Methods: We screened 604 HCC patients treated with ICIs, including only those who experienced PD by data cut-off. We evaluated post-progression survival (PPS) according to the treatment strategy at PD and verified its relationship with radiological patterns of progression: intrahepatic growth (IHG), new intrahepatic lesion (NIH), extrahepatic growth (EHG), new extrahepatic lesion (NEH) and new vascular invasion (nVI). Results: Of 604 patients, 364 (60.3%) experienced PD during observation. Median PPS was 5.3 months (95% CI: 4.4–6.9; 271 events). At the data cut-off, 165 patients (45%) received no post-progression anticancer therapy; 64 patients (17.6%) continued ICI beyond PD. IHG (HR 1.64 [95% CI: 1.21–2.22]; p =.0013) and nVI (HR 2.15 [95% CI: 1.38–3.35]; p =.0007) were associated with shorter PPS. Multivariate models adjusted for progression patterns, treatment line and albumin-bilirubin grade and Eastern Cooperative Oncology Group performance status at PD confirmed receipt of ICI beyond PD with (HR 0.17, 95% CI: 0.09–0.32; p <.0001) or without subsequent TKI (HR 0.39, 95% CI: 0.26–0.58; p <.0001) as predictors of prolonged PPS versus no anticancer therapy. Conclusions: ICI-TKI sequencing is a consolidated option in advanced HCC. nVI and IHG predict a poorer prognosis. Despite lack of recommendation, the continuation of ICI beyond progression in HCC is adopted clinically: future efforts should appraise which patients benefit from this approach.

Lingua originaleInglese
pagine (da-a)695-707
Numero di pagine13
RivistaLiver International
Volume43
Numero di pubblicazione3
DOI
Stato di pubblicazionePubblicato - mar 2023

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