Aim: To describe the epidemiologic, humanistic and economic burdens of hepatocellular carcinoma (HCC) in the USA. Materials & methods: Studies describing the epidemiology and economic burden from national cohorts, any economic models, or any humanistic burden studies published 2008–2018 were systematically searched. Results: HCC incidence was 9.5 per 100,000 person-years in most recent data, but was ∼100-times higher among patients with hepatitis/cirrhosis. Approximately a third of patients were diagnosed with advanced disease. Patients with HCC experienced poor quality of life. Direct costs were substantial and varied based on underlying demographics, disease stage and treatment received. Between 25–77% of patients did not receive surgical, locoregional or systemic treatment. Conclusion: Better treatments are needed to extend survival and improve quality of life for patients with HCC.

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487 Background: Hepatocellular carcinoma (HCC) is often diagnosed in advanced stages. While sorafenib has been the standard of care for advanced HCC, treatment guidelines are not clearly defined. We studied real world systemic lines of therapy (LOT) and economic burden in HCC patients. Methods: The MarketScan database was used to identify patients newly diagnosed with HCC (ICD-9 155.0, ICD-10 C22.0, C22.8) from 2011-2018 and continuously enrolled for ≥6 months prior and ≥1 month post HCC diagnosis. Patients with prior liver transplantation or metastasis, or other primary cancers, pregnancy, or clinical trial participation at any time were excluded. Systemic LOT were identified and ended due to discontinuation, switch, or end of follow up. Transarterial procedures (chemoembolization [TACE], radioembolization [TARE]) were also reported. Results: A total of 1,558 patients (mean age, 62; 78% male; median follow up, 8.8 months) were studied. The first LOT was mostly sorafenib (78%). The median time from HCC diagnosis to start of sorafenib was 43 days. The median duration of therapy on sorafenib was 60 days, with patients ending sorafenib use due to discontinuation (40%) or switching (6%). Only 16% of patients received second LOT, of which 10% were PD-1 inhibitors. Use of TACE and TARE over the follow up period was 15% and 12%, respectively. TACE was more prevalent prior to first LOT (11%) compared to during first LOT (4%) and between first and second LOT (6%). This trend was also observed for TARE (7%, 3%, and 4%, respectively). Patients incurred a mean all-cause total cost of $181,036 and $17,235 per-patient per-month (PPPM), of which $9494 were HCC-specific (Table). Conclusions: Most patients received sorafenib as first line in advanced HCC, but only for 2 months. Only 16% of patients receive second line therapy. HCC patients have a high economic burden and there is a need for more effective and safe treatments. [Table: see text]

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Aim: To identify and evaluate the similarity of all trials assessing recommended treatments for advanced hepatocellular carcinoma. Materials & methods: Single arm and randomized trials from any phase and published any time up to February 2021 were systematically searched. Results: From 5677 records reviewed, 50 trials were included in the review, and 24 for assessed for similarity. In the first-line (1L) setting, several trials assessing sorafenib were noted for enrolling patients with more severe disease and/or performance status than other 1L trials; trials within the second-line (2L) setting were generally similar. Median survival was <2 years in all trial arms. Conclusions: Trials assessing recommended treatments are largely similar and appropriate for quantitative comparisons of several efficacy and safety outcomes.