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Fonseca et al. Hepatoma Res 2023;9:27  https://dx.doi.org/10.20517/2394-5079.2023.63  Page 3 of 5

               Table 1. Summary of american association for the study of liver diseases guidelines
                First line                                                              Level Recommendation
                Indication: patients with preserved liver function (Child-Turcotte-Pugh A or well-selected Child-Turcotte-Pugh B   1  Strong
                cirrhosis), ECOG PS 0-1, who have BCLC Stage C HCC, or BCLC Stage B HCC not amenable to or progressing after
                locoregional therapy
                Atezolizumab plus bevacizumab or durvalumab plus tremelimumab are preferred first-line therapy options  2  Strong
                Patients considered for atezolizumab plus bevacizumab should undergo an EGD to assess for risk of variceal or   5  Strong
                other gastrointestinal bleeding
                The optimal treatment of large varices prior to atezolizumab plus bevacizumab initiation is unknown, although   5  Weak
                AASLD recommends at least one session of banding. Carvedilol may be considered as an alternative prior to
                atezolizumab and bevacizumab
                Patients with recent bleeding within 6 months and those with high-risk stigmata for bleeding on EGD should have   5  Strong
                varices adequately treated prior to atezolizumab plus bevacizumab initiation, or these patients may be considered
                for durvalumab and tremelimumab
                First-line sorafenib or lenvatinib should be offered to patients with contraindications to atezolizumab plus   1  Strong
                bevacizumab or durvalumab plus tremelimumab
                Second-line
                Indication: patients with preserved liver function (Child-Turcotte-Pugh A or well-selected Child-Turcotte-Pugh B   1  Strong
                cirrhosis), ECOG PS 0-1, who develop HCC progression or intolerance with first-line systemic therapy
                Sorafenib or lenvatinib as preferred agents after first-line if patients are not eligible for clinical trials   5  Weak
                Cabozantinib, regorafenib, or ipilimumab plus nivolumab may be alternatives after immunotherapy-based regimens 5  Weak
                AASLD advises cabozantinib or regorafenib (or ramucirumab in patients with AFP ≥ 400 ng/ml) as preferred   1  Strong
                agents after sorafenib or lenvatinib if patients are not eligible for clinical trials
                AASLD advises against the use of immunotherapy after liver transplantation  4  Strong
               HCC: Hepatocellular carcinoma; ECOG-PS: eastern cooperative oncology group performance status; BCLC: barcelona clinic liver cancer; EGD:
               esophagogastroduodenoscopy; AFP: alpha-fetoprotein; AASLD: American Association for the study of liver diseases


                                                                                                     [16]
               evidence to support the indication of immunotherapy in HCC patients with relevant liver dysfunction .

               Global real-world data reported that sorafenib is safe in Child-Pugh B patients, but survival outcomes are
                                            [17]
               worse compared to Child-Pugh A . Additionally, an Italian multicentric randomized trial was designed to
               explore the benefit of sorafenib in Child-B7-9 patients. The trial was planned to include 320 patients, but
               only 35 patients were enrolled. Although not statistically powered, a median overall survival of 3.5 months
               was observed .
                          [18]

               Solid organ transplantation is a formal contraindication to immunotherapy because of its potential risk of
               inducing allograft rejection, and therefore this subgroup was also excluded from the pivotal trials. Although
               small series have reported cases of transplanted patients safely treated with immune checkpoint inhibitors,
               the standard systemic therapy for these patients is still based on tyrosine kinase inhibitors .
                                                                                          [19]

               The use of systemic treatment in early stages is currently under active research. Adjuvant treatment with
               atezolizumab plus bevacizumab has been shown to delay recurrence after surgery or ablation in patients at
               high risk of recurrence, but no positive impact on survival has been demonstrated . In intermediate stage
                                                                                     [20]
               (BCLC-B) HCC, systemic treatment is preferable for patients with high tumor burden. In a propensity-
               matched study, lenvatinib was shown to provide better survival and lower liver alteration compared to
                                                                                             [21]
               transarterial chemoembolization, in patients with BCLC-B and beyond up-to-seven criteria . In addition,
               several trials are testing combinations of immune checkpoint inhibitors plus transarterial treatments such as
               transarterial chemoembolization or radioembolization. The rationale for this approach is to harness the
               immune boost provided by tumor cell death with local treatments and to optimize systemic antitumor
               activity with immune checkpoint inhibitors.
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