
The Silent Liver Disease
Affecting 1 out of 3 people in the US
MASLD, which stands for Metabolic Dysfunction Associated Liver Disease,
is a condition that affects 1 out of 3 patients in the United States, especially those with obesity and type 2 diabetes.
Left untreated MASLD can progress to its more dangerous form MASH (Metabolic Dysfunction Associated Steohepatitis). MASH now matches alcohol-related liver disease as a leading cause of liver transplants.

THE REALITY:
High disease prevalence, yet a large number of undiagnosed patients
MASLD (Metabolic Dysfunction Associated Liver Disease) is estimated to affect 1 out of 3 patients in the US(1). Globally, the disease reaches a similar prevalence, and it is only expected to continue to rise with the anticipated higher incident rate of obesity, prediabetes, and type 2 diabetes(2).
Left untreated, MASLD can progress to Metabolic Dysfunction-Associated Steatohepatitis (MASH), which in turn can lead to severe health complications including liver fibrosis, cirrhosis, liver cancer, and liver transplant. In fact, incident rates for liver cancer due to MASLD are expected to triple by 2030(2). NASH-related cirrhosis, already a significant reason for liver transplants in women and individuals over 65, is anticipated to rise further. It currently matches alcohol-related liver disease as a leading cause for liver transplants overall. (4)
And yet, MASLD is often undetected(3). It is symptomatic, so patients are unaware of its progress towards the more advanced stages. Providers and the entire healthcare system are not well-equipped to meet the diagnostic and management demands of the disease.
(1) Younossi ZM, Koenig AB, Abdelatif D, Fazel Y, Henry L, Wymer M. Global epidemiology of nonalcoholic fatty liver disease—meta-analytic assessment of prevalence, incidence, and outcomes. Hepatology. 2016;64:73–84.
(2) Estes C, Razavi H, Loomba R, Younossi Z, Sanyal AJ. Modeling the epidemic of nonalcoholic fatty liver disease demonstrates an exponential increase in burden of disease. Hepatology. 2018;67:123–33.
(3) Bertot LC, Jeffrey GP, Wallace M, MacQuillan G, Garas G, Ching HL, et al. Nonalcoholic fatty liver disease‐related cirrhosis is commonly unrecognized and associated with hepatocellular carcinoma. Hepatol Commun. 2017;1:53–60.
(4) Younossi ZM, Stepanova M, Ong J, Trimble G, AlQahtani S, Younossi I, et al. Nonalcoholic steatohepatitis is the most rapidly increasing indication for liver transplantation in the United States. Clin Gastroenterol Hepatol. 2021;19:580–9.
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Machine learning algorithms present an opportunity
Recent advances in Machine Learning Algorithms for the detection of MASLD&MASH have shown diagnostic accuracy superior to existing NITs. (1) Based on common biomarkers and relying only on readily available lab processing capabilities, such algorithms offer the potential for low-cost, highly accessible testing.
Pulsar Diagnostics is dedicated to continuing the advancement of this technology. Improved diagnostic rates and early detection are crucial goals in the effort to improve health outcomes and decrease the economic burden of MASLD & MASH.
(1) Chang, D., Truong, E., Mena, E. A., Pacheco, F., Wong, M., Guindi, M., Todo, T. T., Noureddin, N., Ayoub, W., Yang, J. D., Kim, I. K., Kohli, A., Alkhouri, N., Harrison, S., & Noureddin, M. (2022). Machine learning models are superior to noninvasive tests in identifying clinically significant stages of NAFLD and nafld‐related cirrhosis. Hepatology, 77(2), 546–557.

The challenge of diagnosing MASLD & MASH
A liver biopsy is the gold standard for identifying liver fibrosis and cirrhosis. It is however costly and carries risks to patients.
The American Association for the Study of Liver Disease (AASLD) recommends MASLD risk stratification via a combination of blood serum test, imaging techniques, specialized blood chemistry tests, and calculated scores (1).
However, these Non-Invasive Technologies (NITs) present cost, accessibility, and accuracy challenges, as witnessed by the growing interest in developing additional diagnostic options for clinicians.
(1) Rinella, Mary E.1; Neuschwander-Tetri, Brent A.2; Siddiqui, Mohammad Shadab3; Abdelmalek, Manal F.4; Caldwell, Stephen5; Barb, Diana6; Kleiner, David E.7; Loomba, Rohit8. AASLD Practice Guidance on the clinical assessment and management of nonalcoholic fatty liver disease. Hepatology 77(5):p 1797-1835, May 2023. | DOI: 10.1097/HEP.0000000000000323

We want to do our part in combating MASLD and
offer patients and providers more diagnostic options
Follow our progress

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