Young Adults and Alcohol-Associated Liver Cancer: Incidence and Death from 2000 to 2021
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Background/objectives: The incidence and mortality of early-onset cancers have been rising in recent decades. While epidemiological studies have examined various types of cancer, updated global data on alcohol-attributable primary liver cancer (PLC) in young adults remains limited.
Methods: This study utilized data from the Global Burden of Disease (GBD) study spanning 2000 to 2021 to evaluate the age-standardized incidence, mortality, and corresponding rates of alcohol-attributable PLC among young adults aged 15-49 years.
Results: In 2021, there were 8290 incidence cases and 6590 deaths from alcohol-attributable PLC in young adults. The age-standardized incidence rate has increased in Europe (annual percent change [APC]: 0.44%, 95%CI 0.35 to 0.54%), Southeast Asia (APC: 0.40%, 95% CI 0.37 to 0.44%), and the Western Pacific region (APC: 0.65%, 95% CI 0.44 to 0.86%). In 2021, alcohol-attributable PLC in young adults represented 11% (+2% from 2000) of incident cases and 11% of (+2% from 2000) deaths among all PLC in young adults. About half of the countries showed an increase in the age-standardized incidence rate of alcohol-attributable PLC among young adults between 2000 and 2021.
Conclusions: The incidence rate of alcohol-attributable liver cancer in young adults has shifted significantly over the past two decades, with notable increases in Europe and the Asia-Pacific region. This trend underscores the need for global strategies to address the rising prevalence of alcohol use disorder and alcohol-associated liver disease and their impact on young adults.