{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T03:15:03Z","timestamp":1793502903907,"version":"4.5.0"},"reference-count":99,"publisher":"American Medical Association (AMA)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA"],"published-print":{"date-parts":[[2026,1,13]]},"abstract":"<jats:sec id=\"ab-jrv250034-1\">\n                    <jats:title>Importance<\/jats:title>\n                    <jats:p>Metabolic dysfunction\u2013associated steatotic liver disease (MASLD) includes a range of liver conditions, progressing from isolated steatosis (characterized by fat accumulation in the liver without inflammation) to metabolic dysfunction\u2013associated steatohepatitis (MASH), which involves fat accumulation and inflammation in the liver. The presence of MASLD is associated with increased morbidity and mortality due to liver-related complications, hepatocellular carcinoma, cardiovascular disease, and certain extrahepatic cancers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"ab-jrv250034-2\">\n                    <jats:title>Observations<\/jats:title>\n                    <jats:p>The most common chronic liver disease worldwide, MASLD affects approximately 30% to 40% of the general adult population globally (with varying prevalence across continents), including approximately 60% to 70% of individuals with type 2 diabetes and approximately 70% to 80% of those with obesity. It is typically diagnosed based on an ultrasonographic finding of hepatic steatosis, along with at least 1 of 5 features of the metabolic syndrome (abdominal overweight or obesity, prediabetes or type 2 diabetes, hypertension, elevated level of plasma triglycerides, and low level of high-density lipoprotein cholesterol) for women who consume less than 140 g\/wk of alcohol (&amp;amp;lt;2 standard drinks\/d) and for men who consume less than 210 g\/wk (&amp;amp;lt;3 standard drinks\/d) and have no other known causes of steatosis such as use of a particular medication (eg, corticosteroids, tamoxifen, or methotrexate), hepatitis C, or iron overload. Other risk factors for MASLD include older age (\u226550 years) and male sex (male:female ratio approximately 2). The Fibrosis-4 index (a scoring system incorporating age, serum levels of aspartate aminotransferase and alanine aminotransferase, and platelet count) and vibration-controlled transient elastography (a noninvasive imaging technique) are commonly used to stage hepatic fibrosis in patients with MASLD. Cardiovascular disease is the leading cause of death, followed by certain extrahepatic cancers (primarily gastrointestinal, breast, and gynecologic cancer) and liver-related complications, including cirrhosis, hepatic decompensation (ascites, hepatic encephalopathy, or variceal bleeding), and hepatocellular carcinoma. First-line treatment of MASLD involves behavioral modifications (including hypocaloric low-carbohydrate and low-fat diets, physical exercise, and avoidance of alcohol) and management of type 2 diabetes, obesity, hypertension, and hyperlipidemia. Bariatric surgery should be considered for patients with MASLD and a body mass index greater than 35. Resmetirom (a liver-directed, thyroid hormone receptor \u03b2-selective agonist) and subcutaneous semaglutide (a glucagon-like peptide-1 receptor agonist) are conditionally approved by the US Food and Drug Administration (FDA) for the treatment of adults with MASH who have moderate to advanced fibrosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"ab-jrv250034-3\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>A highly prevalent condition among adults worldwide, MASLD is associated with liver-related complications, hepatocellular carcinoma, cardiovascular disease, and certain extrahepatic cancers. First-line treatment includes behavioral modifications, including a weight-reducing diet, physical exercise, and avoidance of alcohol. Resmetirom and semaglutide are conditionally FDA-approved medications for the treatment of adults with MASH and moderate to advanced fibrosis.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1001\/jama.2025.19615","type":"journal-article","created":{"date-parts":[[2025,11,10]],"date-time":"2025-11-10T16:30:48Z","timestamp":1762792248000},"page":"163","source":"Crossref","is-referenced-by-count":275,"title":["Metabolic Dysfunction\u2013Associated Steatotic Liver Disease in Adults"],"prefix":"10.1001","volume":"335","author":[{"given":"Herbert","family":"Tilg","sequence":"first","affiliation":[{"name":"Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology, and Metabolism, Medical University of Innsbruck, Innsbruck, Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Salvatore","family":"Petta","sequence":"additional","affiliation":[{"name":"Section of Gastroenterology and Hepatology, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties Promise, University of Palermo, Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Norbert","family":"Stefan","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine IV, Division of Endocrinology, Diabetology, and Nephrology, University of T\u00fcbingen, T\u00fcbingen, Germany"},{"name":"Institute of Diabetes Research and Metabolic Diseases, Helmholtz Center Munich, T\u00fcbingen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giovanni","family":"Targher","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of Verona, Verona, Italy"},{"name":"Metabolic Diseases Research Unit, IRCCS Sacro Cuore-Don Calabria Hospital, Negrar di Valpolicella, 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