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Published on: September 30, 2021
Disparities in liver transplantation for metabolic dysfunction-associated steatohepatitis-associated hepatocellular
David W Victor1, Sudha Kodali2, Mazen Noureddin3,4
1Sherrie and Alan Conover Center for Liver Disease and Transplantation, Department of Medicine, Houston Methodist Hospital, Houston, TX 77030, United States. dwvictor@houstonmethodist.org.
Background:
Metabolic dysfunction-associated steatohepatitis (MASH) is increasingly common, as is hepatocellular carcinoma (HCC) in the background of MASH. Liver transplantation (LT) provides superior long-term survival for patients with unresectable MASH-HCC, but not all patients have equal access to transplant. MASH-HCC disproportionately affects Hispanic patients, but minorities are less likely to undergo LT for HCC. Additionally, females also undergo LT at lower rates than males.
Aim:
To investigate whether race/ethnicity and sex affect LT waitlist outcomes.
Methods:
Records of adults with MASH-HCC in the United States Organ Procurement and Transplantation Network database listed for LT between 1/2015 and 12/2021 were analyzed.
Results:
Most of the 3810 patients waitlisted for LT for MASH-HCC were non-Hispanic (NH) white (71.2%) or Hispanic (23.4%), with only 49 (1.1%) NH Black candidates. Hispanics underwent LT at lower rates than NH whites (71.6% vs 78.4%, P < 0.001), but race/ethnicity did not affect waitlist mortality (P = 0.06). Patients with Hispanic [hazard ratio (HR) = 0.85, 95%CI: 0.77-0.95, P = 0.002] or Asian (HR = 0.79, 95%CI: 0.63-0.98, P = 0.04) race/ethnicity were less likely to undergo LT. Women were also less likely to receive LT (male: HR = 1.16, 95%CI: 1.04-1.29, P = 0.01). Patients in regions 1 and 9 were less likely to be transplanted as well (P = 0.07).
Conclusion:
Hispanic patients are less likely to undergo LT for MASH-HCC, concerning given their susceptibility to MASH and HCC. There were very few NH Black candidates. Disparities were also unequal across regions, which is particularly concerning in states where at-risk populations have rising cancer incidence. Additional research is needed to identify strategies for mitigating these differences in access to LT for MASH-HCC.
