Study on the effects of long-term use of Opicapone on liver and kidney function

Opicapone is a peripheral catechol-O-methyltransferase (COMT) inhibitor used to treat the "switch" phenomenon associated with dopamine replacement therapy in patients with Parkinson's disease. It improves motor symptoms by prolonging the action time of levodopa. With the promotion of clinical application, the long-term safety of Opicapone, especially its impact on liver and kidney function, has become the focus of attention.

Current clinical studies show that Opicapone has a mild effect on liver function. During long-term use of most patients, liver function indicators such as ALT, AST, total bilirubin, etc. remain within the normal range, and drug-induced liver injury is rarely reported. Mild liver enzyme elevations may occur in a small number of patients, but these are usually transient and resolve without discontinuation of the drug. In addition, the metabolism of opicapone is mainly carried out through the liver, but the direct toxicity of the drug itself to liver cells is low, and cases of severe liver injury are rare in clinical practice.

Opicapone also has a more limited impact on renal function. The drug is mainly metabolized by the liver and has a low renal excretion rate, so patients with renal insufficiency have a low risk of drug accumulation. Existing studies have found no evidence that long-term use of opicapone causes significant deterioration in renal function. However, patients with severe renal impairment still need to use medication with caution and regularly monitor renal function indicators to prevent potential risks.

In summary, Opicapone has generally less impact on liver and kidney function during long-term use and has good safety profile. However, in view of individual patient differences and the complexity of combined medications, it is recommended that liver and kidney function tests be performed regularly during treatment, especially for patients with underlying liver and kidney diseases, to ensure the safety of medication and to detect potential abnormalities in a timely manner, and to protect the patient's therapeutic effect and quality of life.

Reference materials:https://www.ongentys.com/