Obeticholic acid belongs to which of the following categories of drugs?

Obeticholic acid (Obeticholic acid) is a new type of drug that is a steroid derivative, specifically a farnesoid X receptor (FXR) agonist. FXR is a nuclear receptor that is widely present in the liver and intestines and has multiple physiological functions such as regulating bile acid metabolism, lipid metabolism, glucose metabolism, and inflammatory response. Obeticholic acid binds to FXR and activates this receptor, thereby affecting the synthesis and secretion of bile acids, making it play an important role in the treatment of biliary-related diseases such as primary biliary cholangitis (PBC).

As an FXR agonist, the main mechanism of action of obeticholic acid is to reduce the concentration of bile acids in hepatocytes, thereby promoting bile secretion by inhibiting the de novo synthesis of cholesterol and promoting the transport of bile acids from hepatocytes to bile ducts. This mechanism can both reduce the liver's exposure to bile acids and limit the total amount of circulating bile acids, helping to reduce hepatocellular damage caused by bile acid accumulation. In clinical application, obeticholic acid is often combined with ursodeoxycholic acid (UDCA) and is suitable for PBC patients who have insufficient response to UDCA or cannot tolerate UDCA.

In addition, the safety and effectiveness of obeticholic acid have been verified in multiple clinical trials. Although some adverse reactions may occur during use, such as itching, fatigue, abdominal pain, etc., it is generally well tolerated. Due to its unique mechanism of action and good clinical effects, obeticholic acid has gradually become one of the important choices for the treatment of PBC.

In addition to the treatment of PBC, obeticholic acid has also been studied for other diseases related to bile acid metabolism, such as non-alcoholic fatty liver disease (NAFLD) and metabolic syndrome. As research on FXR continues to deepen, the potential application areas of obeticholic acid are also expanding.

Reference materials:https://www.truemeds.in/drug-salts/obeticholic-acid-3214