Title : The Liver Meeting® - Nonalcoholic Fatty Liver Disease Patients Have Higher Rates of All Non-Liver-Related Cancers
link : The Liver Meeting® - Nonalcoholic Fatty Liver Disease Patients Have Higher Rates of All Non-Liver-Related Cancers
The Liver Meeting® - Nonalcoholic Fatty Liver Disease Patients Have Higher Rates of All Non-Liver-Related Cancers
Nonalcoholic Fatty Liver Disease Patients Have Higher Rates of All Non-Liver-Related CancersNovember 9, 2018
Data from a new study presented this week at The Liver Meeting® found that rates of malignancy occurring outside of the liver were higher in adults with nonalcoholic fatty liver disease than among adults across most types of cancers.
Nonalcoholic fatty liver disease (commonly called NAFLD or fatty liver disease) is used to describe liver complications that arise from the buildup of excess fat in the liver. NAFLD is estimated to affect more than 80 million Americans.
Malignancy is among the most common causes of death in patients with NAFLD. To examine whether increased malignancy risk is similar across all types of cancers, researchers at the Mayo Clinic in Rochester, Minn. conducted a study to determine the rates of cancer diagnoses among NAFLD patients compared to other adults in the United States of similar age and sex.
“Population-based studies such as this one can offer important epidemiologic data regarding the important threats to the health of a community,” explains Alina M. Allen, MD, assistant professor of medicine, Mayo Clinic, and the study’s co-author. “While it is known that individuals with NAFLD are at higher risk to develop cancers, it was not clear which type of cancer and how much higher their risk is, in reference to the general population. Such data would enable appropriate counseling and could inform screening policies.”
The researchers identified 4,782 NAFLD patients and compared them to 14,441 age- and sex-matched controls living in Olmsted County, Minn., between 1997 and 2016 using the Rochester Epidemiology Project database. They calculated age- and sex-adjusted incidence ratios of common cancers per 100,000 person-years between these two patient groups. The median age of the NAFLD patients was 54, and 54 percent were women. Median follow-up time was eight years. Overall, 788 (16 percent) of NAFLD patients and 1,752 (12 percent) of controls were diagnosed with malignancies during the study’s timespan.
Rates of malignancy were higher for NAFLD compared to controls for most types of cancers. The increased malignancy rate for NAFLD patients was highest for liver cancer, followed by stomach cancer, pancreatic cancer, and uterine cancer. Overall, breast, prostate and colon cancers were the three most common malignancies among NAFLD patients.
“These data provide an important “hierarchical” overview of the top most important malignancy risks associated with NAFLD. Liver cancer had the highest increase in relative risk, and this was not a surprising finding,” says Dr. Allen. “However, the 2.5-fold higher risk of stomach and pancreatic cancer are novel data that the medical community should be aware of. Future studies should further examine this association to determine if screening methods should be implemented in this population.”
Editor’s note: This press release contains updated data that is not reflected in the published abstract but will be presented at The Liver Meeting®.
About AASLD
AASLD is the leading organization of clinicians and researchers committed to preventing and curing liver disease. The work of our members has laid the foundation for the development of drugs used to treat patients with viral hepatitis. Access to care and support of liver disease research are at the center of AASLD’s advocacy efforts.Read the press release and additional information about AASLD are available online at www.aasld.org.
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