Publications by authors named "Mazen Noureddin"

Background/aims: Alcohol represents a leading burden of disease worldwide, including alcohol use disorder (AUD) and alcohol-related liver disease (ALD). We aim to assess the global burden of AUD, ALD, and alcohol-attributable primary liver cancer between 2000-2021.

Methods: We registered the global and regional trends of AUD, ALD, and alcohol-related liver cancer using data from the Global Burden of Disease 2021 Study, the largest and most up-to-date global epidemiology database.

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Objective: Gastrointestinal (GI) cancers account for one-third of global cancer mortality, with nearly half being preventable. This study updates the global burden of GI cancers attributed to major risk factors: smoking, alcohol, and metabolic disturbances.

Methods: We utilized data from the Global Burden of Disease Study 2021 to examine trends in death and age-standardized death rates related to GI cancers caused by smoking, alcohol, high body mass index (BMI), and high fasting blood glucose (FBG) from 2000 to 2021.

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Background: The incidence of cancer and the prevalence of metabolic disease and metabolic dysfunction-associated steatotic liver disease is increasing in young adults. However, updated global data on metabolic dysfunction-associated steatohepatitis (MASH)-associated primary liver cancer (PLC) in young adults remains scarce.

Methods: This study analyzed data from the Global Burden of Disease study between 2000 and 2021 to assess the age-standardized incidence, mortality, and disability-adjusted life years rates from MASH-associated PLC in young adults (15-49 y).

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Background: To investigate the trends in alcohol-associated liver disease (ALD), liver cancer from alcohol, and alcohol use disorder (AUD) burden among older adults in the United States (US).

Methods: We gathered the ALD, liver cancer from alcohol, and AUD prevalence, mortality, and age-standardized rates (ASRs) from the Global Burden of Disease (GBD) Study 2021 between 2010 and 2021. We estimated the annual percent change (APC) with confidence intervals (CIs) for the burden of ALD, liver cancer from alcohol, and AUD in older adults (>70 years) in the United States.

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Background & Aims: Metabolic dysfunction-associated steatotic liver disease (MASLD) and metabolic dysfunction-associated steatohepatitis (MASH) are the leading causes of liver disease and are emerging as the main risk factors for primary liver cancer (PLC). However, updated global data on MASH remain scarce.

Methods: This study analyzed data from the Global Burden of Disease (GBD) study between 2000 and 2021 to assess the age-standardized incidence, mortality, and disability-adjusted life years (DALYs) from MASH-associated PLC, stratified by geographical region, sociodemographic index, age, and sex.

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Background: Significant health disparities exist in metabolic dysfunction-associated steatotic liver disease (MASLD), driven by social determinants of health (SDOH). Few studies have explored neighborhood-level SDOH in MASLD.

Methods: This is a retrospective cohort study of patients with MASLD at a multi-state healthcare institution.

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Decompensated cirrhosis secondary to metabolic dysfunction-associated steatohepatitis (MASH) is not only a common indication for liver transplant (LT) but is becoming the leading cause for LT in post-menopausal women in the United States. Given the different complex mechanisms involved in the occurrence of MASH, it is being recognized as the hepatic manifestation of the metabolic syndrome. There are multiple metabolic issues associated with MASH including obesity, diabetes mellitus type 2, cardiovascular disease, and chronic kidney disease which need to be addressed in the pre- and post-transplant setting for better patient outcomes.

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Article Synopsis
  • * Analysis of Global Burden of Disease Study 2019 data shows a geographical concentration of SUD issues in Europe and the Americas, with males being more affected than females.
  • * The research emphasizes the urgent need for effective policies to address the substantial burden of SUDs among AYAs, particularly focusing on alcohol-related harms like injuries and violence.
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Background: Alcohol is linked to various cancers. While many studies have focused on developed countries, the burden of alcohol-related cancers in developing countries remains underexplored.

Methods: We analyzed data from the Global Burden of Disease Study (2000-2019) to assess mortality and disability-adjusted life years (DALYs) from alcohol-related cancers in low and low-to-middle sociodemographic index (SDI) countries.

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Metabolic dysfunction-associated steatotic liver disease (MASLD) is characterized by hepatic steatosis that is confirmed by imaging or histology in the setting of at least 1 metabolic risk factor in the absence of significant alcohol consumption. Nonalcoholic steatohepatitis, or NASH, was recently renamed metabolic dysfunction-associated steatohepatitis (MASH); it represents the progressive form of MASLD. MASH is defined by hepatic steatosis, lobular inflammation, and ballooning degeneration (hepatocellular injury) in a characteristic histologic pattern.

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Article Synopsis
  • - The 2023 nomenclature for steatotic liver disease (SLD) encompasses metabolic dysfunction-associated SLD (MASLD), alcohol-associated liver disease (ALD), and a mix of both (MetALD), prompting a study on racial and ethnic disparities in SLD prevalence among US adults.
  • - Data from the 2017-2018 National Health and Nutrition Examination Survey (NHANES) revealed that 42.4% of participants had MASLD, while the rates for MetALD and ALD were significantly lower (1.7% and 0.6%, respectively), with a higher prevalence observed in Hispanic individuals.
  • - Factors such as male gender, age, higher BMI, and various
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Background And Aim: Metabolic dysfunction-associated steatotic liver disease (MASLD) has become a leading cause of chronic liver disease worldwide. A new entity termed MetALD has also been described and is defined as individuals with MASLD and increased alcohol intake. However, the natural history of MetALD compared with MASLD is unknown.

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Background And Aims: Metabolic dysfunction-associated steatotic liver disease and metabolic dysfunction-associated steatohepatitis are pressing public health problems occurring alongside the rising prevalence of obesity and diabetes. This feasibility study explored the use of a novel prescription digital therapeutic (PDT) in this patient population.

Methods: A prospective, open-label study was conducted at two hepatology clinics.

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Background And Aims: The change in hepatocellular carcinoma (HCC) care continuum during the coronavirus disease 2019 (COVID-19) pandemic remains unknown at a national level in the United States. We sought to determine the impact of the pandemic on incident HCC cases, clinical characteristics, and treatment in the United States.

Methods: Using the National Cancer Database, we analyzed incident HCC cases from 2010 to 2020.

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Article Synopsis
  • Metabolic dysfunction-associated steatotic liver disease (MASLD) affects about 25% of people in the U.S. and Western Europe, with a portion progressing to more severe metabolic dysfunction-associated steatohepatitis (MASH).
  • MASH is a leading cause of liver transplants and hepatocellular carcinoma, and until now, there were no targeted medications for it.
  • The recent FDA approval of resmetirom offers hope for treating moderate to advanced noncirrhotic MASH, but raises challenges in accurately identifying eligible patients and determining when to discontinue treatment.
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Background: Metabolic dysfunction-associated steatotic liver disease (MASLD), formerly referred to as nonalcoholic fatty liver disease, impacts 30% of the global population. This educational pilot focused on the role primary care providers may play in the delivery of guidelines-based metabolic dysfunction-associated steatohepatitis (MASH) care.

Objective: Accelerate the application of guidelines-based MASH care pathways to clinical workflows.

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Article Synopsis
  • Metabolic dysfunction-associated steatohepatitis (MASH) is a major cause of liver disease, and changes in liver fat can be monitored using MRI proton-density-fat fraction (PDFF).
  • A systematic review identified 39 clinical trials evaluating various drug treatments for MASH, focusing on their effectiveness in reducing liver fat as measured by MRI-PDFF.
  • The study found aldafermin and pegozafermin to be the most effective therapies for reducing liver fat at 24 weeks, while other options like efinopegdutide and semaglutide also showed promising results for significant fat reduction.
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Background: Although the burden of alcohol-associated hepatocellular carcinoma (HCC) is increasing with rising alcohol consumption, clinical presentation and outcomes of alcohol-associated HCC have not been systematically assessed. We aimed to determine the prevalence, clinical characteristics, surveillance rates, treatment allocation, and outcomes of alcohol-associated HCC.

Methods: Medline and Embase were searched from inception to January 2023.

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Background: Studies attempted to estimate MASLD-related advanced fibrosis (AF) and cirrhosis (MC) prevalence utilized tests with low positive predictive value (PPV) which overestimates prevalence. AGILE3 + and 4 scores were developed to increase the PPV of both; respectively. In this study, we used these scores to assess the prevalence of AF and MC.

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Objective: Metabolic dysfunction-associated steatotic liver disease (MASLD) and cardiometabolic conditions affect populations across economic strata. Nevertheless, there are limited epidemiological studies addressing these diseases in low (LICs) and lower-middle-income countries (lower MICs). Therefore, an analysis of the trend of MASLD and cardiometabolic conditions in these countries is necessary.

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Background: To overcome the limitations of the term "non-alcoholic fatty liver disease" (NAFLD), the term metabolic-associated steatotic liver disease (MASLD) was introduced. While epidemiologic studies have been conducted on MASLD, there is limited evidence on its associated sex and ethnic variations.

Aims: This study assesses the differences across sex and race-ethnicity on the prevalence, associated risk factors and adverse outcomes in individuals with MASLD.

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Article Synopsis
  • - The study analyzed data from the United Network for Organ Sharing between 2000 and 2022 to evaluate how the causes of liver disease impact liver transplantation outcomes for individuals with hepatocellular carcinoma (HCC), focusing on differences between men and women.
  • - Findings revealed that nonalcoholic steatohepatitis (NASH) is the fastest-growing cause of liver disease in women and has surpassed chronic hepatitis C as the leading cause for both genders on transplant waitlists.
  • - Women with HCC experience longer wait times for liver transplants and have lower rates of receiving transplants compared to men, though they tend to have better posttransplant survival rates when suffering from NASH-related HCC.
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