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INNOSC Theranostics and
            Pharmacological Sciences                                                     Role of saroglitazar in MASH



            1. Introduction                                    is essential for the development of multiple sclerosis
                                                               lipogenesis (MASLD) by increasing the liver’s ability to
            Metabolic dysfunction-associated steatohepatitis (MASH)   use free fatty acids, which in turn causes fatty liver and
            is a metabolic disease marked by hepatic fat buildup and   lipotoxicity. 5,6
            significant inflammation. From metabolic dysfunction-
            associated fatty liver to MASH, metabolic dysfunction-  The American Association for the Study of Liver
            associated steatotic liver disease (MASLD) encompasses a   Diseases  recommendations  emphasize  that  only  biopsy-
                                         1
                                                                                                            7,8
            wide range of chronic liver diseases.  Significant data has   confirmed MASH warrants medical intervention
            surfaced in the last 20 years demonstrating the worldwide   While  various  medications  have  been  explored  for
            occurrence of MASLD and linking it to a range of liver   MASH treatment, none have received official approval.
                                                                                                             7
            conditions, including those that can lead to cirrhosis and   Among the medications considered are glitazones, with
            hepatocellular carcinoma. Most of the cases with MAFLD   pioglitazone being one example. Studies have shown that
            are asymptomatic and are diagnosed incidentally. 2  pioglitazone can improve NAFLD activity score, lead
                                                               to MASH resolution, and enhance fibrosis, along with
              A severe type of MASLD that affects 35 million
            individuals worldwide, MASH is linked to hepatocellular   improving histological aspects like steatosis, inflammation,
                                                                                       9,10
            inflammation as a result of fat buildup in the cells. MASLD   and hepatocellular ballooning.
            significantly adds to the worldwide burden of illness. The   In MASLD, the primary goal of pharmacological
            prevalence of MASLD is 25.24% worldwide, with South   intervention is to manage liver inflammation and fibrosis.
            America and the Middle East having the highest rates. In   This is due to the fact that in individuals with MASLD, the
            India, the prevalence of adult MASLD has been reported   degree of liver inflammation and fibrosis is strongly linked
            between 6.7% and 55.1%, whereas that of pediatric MASLD   to both extrahepatic and hepatic morbidity and mortality.
            has been reported between 7.3% and 22.4%. Obesity,   A  dual proliferator peroxisome activated receptor
            type 2 diabetes, dyslipidemia, hypertension, and metabolic   (PPAR)-α/γ agonist called saroglitazar magnesium was
            syndrome are the common metabolic comorbidities linked   created to lessen the negative effects of selective PPAR-γ
            to MASLD. It has been estimated that 33.5% of adults   agonism. For saroglitazar, the proposed mechanism of
            worldwide will be affected by MASLD and another 27%   action involves targeting PPAR-α and PPAR-γ, which
            will have MASH by 2030.                            leads to an enhancement in insulin sensitivity and lipid
              MASLD-related hepatocyte steatosis is typified by the   oxidation. This dual mechanism reduces lipotoxicity by
            accumulation of fat droplets in the hepatocytes. MASH   decreasing fat accumulation in the liver and improving fat
            may occur from hepatocellular damage and inflammation,   metabolism there. 11,12  It inhibits the production and release
            either in conjunction with or apart from hepatic fibrosis.   of triglycerides (TG), increases the hepatic oxidation of
            Factors including insulin resistance, oxidative stress,   fatty acids, and through PPAR-α agonism, improves the
            inflammation, altered adipokine and cytokine secretion,   levels of lipoproteins in circulation. Furthermore, through
            altered lipid metabolism, and endoplasmic reticulum stress   PPAR-γ agonism, saroglitazar decreases blood glucose and
            are associated with these disorders. These characteristics   glycosylated hemoglobin (HbA1c) levels, enhances insulin
            make MASH a clinically aggressive form of MASLD,   sensitivity, and controls the transcription of genes that
            and  individuals  with  MASH  are more  likely  to develop   respond to insulin. In India, saroglitazar has been licensed
            cirrhosis. As a result, for the past several years, attempts   for the treatment of hypertriglyceridemia and diabetic
            have been made to study and develop drugs specifically for   dyslipidemia since 2013. In addition, it has been authorized
            this condition.                                    in some other countries, to treat hypertriglyceridemia and
                                                               dyslipidemia in type 2 diabetic patients whose condition is
              The  primary  diagnostic  subtype  of  MASLD  is   not managed by statins.
            MASH, which carries a risk of cirrhosis and liver-
            related consequences. However, it is important to note   Numerous investigations, including human and animal
            that all subtypes of MASLD elevate the likelihood of   MASLD models, have demonstrated its effectiveness in
            cardiovascular events and mortality. Projections suggest a   reducing hepatic steatosis, hepatocellular inflammation,
            steep increase in the prevalence of MASLD patients in the   and  fibrogenic  activity. 13,14   Saroglitazar  has  been  shown
            coming years, driven by the growing rates of obesity and   in animal models to decrease alanine aminotransaminase
            type  2 diabetes.  MASLD often emerges in individuals   (ALT) levels and to alleviate hepatic steatosis, hepatocellular
                         3,4
            with a medical history of diabetes and obesity. Our   ballooning, and lobular inflammation in MASH caused
            understanding of MASLD’s etiology and progression has   by  a  high-fat,  choline-deficient  diet  or  Western  diet.
            significantly expanded in recent decades. The well-known   Moreover, saroglitazar was shown to significantly lower
            “multiple hit hypothesis” suggests that insulin resistance   insulin resistance, TG, total cholesterol, and metabolically


            Volume 7 Issue 4 (2024)                         2                                doi: 10.36922/itps.3560
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