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Treatment identified for liver fibrosis: Study

2023 Jun 28, 9:39, Washington [US]
Pic: ANI

Researchers looked into a possible new treatment option for patients with nonalcoholic steatohepatitis (NASH)-related fibrosis.

The findings, published in the online edition of The New England Journal of Medicine on June 24, 2023, discovered that a drug that mimics a hormone in the body improved both liver-fibrosis">liver fibrosis and liver inflammation in NASH patients.

"Identifying an effective drug for NASH is extremely promising for patients as currently there are no FDA-approved therapies for this condition," said Rohit Loomba, MD, the study's first author and chief of the Division of Gastroenterology and Hepatology at UC San Diego School of Medicine. "NASH can adversely impact the quality of life in patients and can progress to cirrhosis. Its complications can lead to death or liver transplantation."

"Our findings will further the science of this disease and provide a potential new treatment option to those affected by NASH-related fibrosis."

The researchers found that the drug, called Pegozafermin, mimicked fibroblast growth factor 21 (FGF21) -- a liver-secreted peptide hormone that is naturally produced in the body.

FGF21 controls energy use in the body and lipid metabolism in the liver. It has also been shown in previous studies to lower blood glucose and insulin levels, reducing body weight and liver fat.

"The study's results show that the new potential treatment not only improves fibrosis but also improves inflammation and liver injury along with significant improvements across multiple non-invasive biomarkers of NASH activity and scarring," said Loomba, gastroenterologist and hepatologist at UC San Diego Health.

The 24-week, randomized clinical trial involved 222 participants with NASH assigned to either receive the drug or a placebo.

Of the patients who received the drug at a higher dose, approximately 27% showed an improvement in liver-fibrosis">liver fibrosis, relative to 7% of the patients who received the placebo. The drug's most frequent reported side effects were gastrointestinal, including nausea.

Currently, there are no medications approved by the U.S. Food and Drug Administration available for the treatment of NASH, which is a type of nonalcoholic fatty liver disease (NAFLD).

According to the National Institutes of Health, approximately 24% of U.S. adults have NAFLD, and about 6% have NASH.

NAFLD and NASH are considered silent diseases with little to no symptoms; however, individuals who are overweight, have type 2 diabetes or have a family member with NAFLD are at a higher risk of developing the disease. NAFLD -- which is an umbrella term for a range of liver conditions affecting people who drink little to no alcohol -- can lead to cirrhosis, liver cancer and liver failure.

Loomba adds next steps for this research will be a larger, multi-centre, international trial with a more diverse patient population and longer treatment period to better assess the safety of the drug.

"If successfully shown to be both safe and effective in a larger Phase 3 trial, this drug could be used to treat millions of patients with NASH, including our patients at UC San Diego Health," said Loomba.


Treatment liver fibrosis liver onalcoholic steatohepatitis NASH fibrosis Pegozafermin
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