Abstract
4107 Background: Most clinical trials use Child-Pugh (CP) for patient selection; this subjective scale was originally developed to assess liver function in cirrhosis, thus cannot be applied to HCC patients with non-cirrhotic background. Alternatively, ALBI grade is an objective and validated prognostic system that has demonstrated improved accuracy to predict survival and liver function decline in HCC patients. Our real-world study aims to assess the ALBI grade as a predictive marker of treatment response in patients with advanced HCC who received (A+B) within the VHA. Methods: VHA patients with HCC receiving 1st line therapy with A+B were identified through EMR using ICD-9 or ICD-10 codes between 1 Jan 2007 and 31 Dec 2021. Patients were followed from their A+B initiation date through the earliest of the last VHA visit, loss to follow up, death, or end of study on Jan 31, 2023. Structured electronic health record and chart review data were retrospectively collected to determine patient baseline characteristics, treatment response, overall survival (OS), and progression-free survival. Survival rates were based on patients with at least 6 months or 1 year of time (as indicated) from A+B initiation until the chart was reviewed; patients without a scan or known date of scan were excluded from PFS calculations. The Chi-Squared test was used to compare rates. Results: 332 patients were included in the study. The median age was 67 yrs, 99% were males, 63% non-Hispanic White, 26% Black, 86% with ECOG < 1, 84% had CPS class A, 16% had CPS class B and C, 56% had viral hepatitis-caused HCC, 20% had no cirrhosis present, and 60% had prior local therapies. There was a statistically significant difference in progression free survival (PFS) and over survival (OS) amongst different ALBI grades as shown. Conclusions: In our retrospective cohort, it was clear that patients with ALBI grade 1 had improved PFS and OS compared to ALBI score grade 3. Patients with ALBI score grade 2 also had a moderate response to treatment with modest OS and PFS compared to patients with ALBI score grade 3. Utilizing stratification ability ALBI grade in future clinical trials may improve prognostic power facilitating ideal patient selection. [Table: see text]
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