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Farmakoterapi vid primär skleroserande kolangit : En genomgång av läkemedelsprövningar i ljuset av nya rönNoaksson, David January 2023 (has links)
Primary sclerosing cholangitis (PSC) is a rare chronic liver disease characterized by inflammation and fibrosis of the biliary ducts, resulting in cholestasis and eventually liver failure. No effective treatment is currently available and most patients ultimately require liver transplantation in order to survive. The underlying mechanisms of the disease is poorly understood but a range of hypotheses exist, many of which recognize and grapple with PSC's close relationship with inflammatory bowel disease. Most agree genetics is involved, predisposing for an imbalance in 1) bile acid metabolism, 2) immune response and/or 3) gut microbiota. This literature study aims to describe and elucidate recent progress in the field of pharmacotherapy, as it relates to PSC and our current understanding of the disease. Covered in this study is a total of seven randomized, controlled trials, published between 2015-2022, and available through the medical database/search engine PubMed. Endpoints of particular note are ALP and ELF. ALP, or alkaline phosphatase, is an enzyme found in the liver. Rising levels of ALP in the blood stream is indicative of liver damage. ELF, or Enhanced Liver Fibrosis, is a blood test measuring markers of fibrosis, useful in assessing and staging fibrosis in chronic liver disease. Drugs included in this literature study are aldafermin, cilofexor, fenofibrate, norUrsodeoxicholic acid, obeticholic acid, simtuzumab and vancomycin. With the exception of aldafermin and simtuzumab, all showed promise as ALP reducing agents, in general lowering levels with 15-40 percent. In the case of fenofibrate, a reduction of 65 percent was observed. Of the drugs measured against ELF, only aldafermin produced a statistically significant reduction in fibrosis markers. At the time being it is not entirely clear what to make of the results, due to uncertainties surrounding ALP as a prognostic marker. To what extent ALP predicts transplantation free survival is still a matter of debate. Although considerable efforts have been made to further our understanding of PSC, much is yet to be solved. With regards to pharmacotherapy, the field is experiencing somewhat of a renaissance, showcased by the dozen on-going randomized, controlled trials on a plethora of potential PSC substances. Thus, the search for an effective therapy against PSC goes on.
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