What are the possible side effects of taking obeticholic acid?

Obeticholic acid (Obeticholic acid) is a drug used to treat primary cholangitis (PBC). Although clinical application has shown certain efficacy, its use is also accompanied by a variety of side effects. In clinical studies, the most common adverse reactions included pruritus, fatigue, abdominal pain, and discomfort. Itching is one of the main symptoms reported by patients, and many patients experience this discomfort within the first month after starting treatment. Although symptoms usually resolve over time, in some cases this itching may cause patients to discontinue treatment. In addition, patients may experience persistent fatigue, abdominal discomfort, and pain, which can significantly affect their quality of daily life.

In addition to the common symptoms mentioned above, some patients may also experience other uncomfortable symptoms such as rash, joint pain, throat discomfort, dizziness, constipation, and peripheral edema after taking obeticholic acid. Heart palpitations and fever are also side effects reported by some patients. At the same time, special attention needs to be paid to the risk of thyroid dysfunction, as this may have long-term effects on the patient's overall health. The occurrence of eczema has also been documented, further demonstrating the skin-related problems this drug can cause.

More seriously, during post-marketing surveillance,FDA reported a number of serious adverse events related to the use of obeticholic acid, including liver failure, new cirrhosis, increased direct bilirubin and total bilirubin levels, and new or worsening jaundice. These adverse reactions prompt medical personnel to be cautious when prescribing to patients, especially if the patient's liver health may be potentially affected.

Therefore, the use of obeticholic acid is expressly contraindicated in certain patient groups, including patients with decompensated cirrhosis (e.g.,Child-Pugh class B or C patients), patients with previous decompensation events, and patients with compensated cirrhosis with signs of portal hypertension, such as ascites, gastroesophageal varices, and persistent thrombocytopenia. In addition, patients with complete biliary obstruction should also avoid using this drug to prevent possible harm. Therefore, before using obeticholic acid, patients should fully communicate with their doctor to ensure they understand possible side effects and be closely monitored during treatment.

Reference materials:https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=cdfbe0cd-eb15-45a1-ac17-531bcda21aec