Epidemiology of liver diseases: global disease burden and forecasted research trends.

Sci China Life Sci

Research Center for Cardiopulmonary Rehabilitation, University of Health and Rehabilitation Sciences Qingdao Hospital (Qingdao Municipal Hospital), School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao, 266071, China.

Published: October 2024

AI Article Synopsis

  • The study analyzed global statistics on liver diseases like alcohol-related liver disease (ALD), hepatitis B/C, liver cancer, and metabolic dysfunction-associated steatotic liver disease (MASLD), revealing trends in incidence, mortality, and disability-adjusted life years (DALYs) from 2000 to 2019.
  • While rates for ALD, MASLD, and other liver diseases increased, those for HBV, HCV, and liver cancer declined, with lower mortality in countries with a high socio-demographic index (SDI).
  • Research funding for MASLD and hepatobiliary cancer surged, but overall drug approvals for liver diseases remained low, particularly highlighting the lack of approved treatments for ALD.

Article Abstract

We assessed the global incidence, mortality, and disability-adjusted life years (DALYs) associated with various liver diseases, including alcohol-related liver disease (ALD), hepatitis B/C virus infections (HBV or HCV), liver cancer, metabolic dysfunction-associated steatotic liver disease (MASLD), and other chronic liver diseases, from the 2019 Global Burden of Disease study. Additionally, we analyzed the global trends in hepatology research and drug development. From 2000 to 2019, prevalence rates increased for ALD, MASLD and other liver diseases, while they decreased for HBV, HCV, and liver cancer. Countries with a high socio-demographic index (SDI) exhibited the lowest mortality rates and DALYs. The burden of liver diseases varied due to factors like sex and region. In nine representative countries, MASLD, along with hepatobiliary cancer, showed highest increase in funding in hepatology research. Globally, the major research categories in hepatology papers from 2000 to 2019 were cancer, pathobiology, and MASLD. The United States (U.S.) was at the forefront of hepatology research, with China gradually increasing its influence over time. Hepatologists worldwide are increasingly focusing on studying the communication between the liver and other organs, while underestimating the research on ALD. Cancer, HCV, and MASLD were the primary diseases targeted for therapeutic development in clinical trials. However, the proportion of new drugs approved for the treatment of liver diseases was relatively low among all newly approved drugs in the U.S., China, Japan, and the European Union. Notably, there were no approved drug for the treatment of ALD in the world.

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http://dx.doi.org/10.1007/s11427-024-2722-2DOI Listing

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