European Barberry - Mavyret (Glecaprevir, Pibrentasvir) Interaction
Herbal: European Barberry
Also Known As: Berberis vulgaris, Agracejo, Barberry, Berberidis Cortex, Berberidis Radicis Cortex, Berberidis Radix, Berbéris Commun, Berberry, Berbis, Common Barberry, Lebanon barberry, Mountain Grape, Oregon Grape, Pipperidge, Piprage, Sauerdorn, Sow Berry, Vinettier
Drug: Glecaprevir, Pibrentasvir
Brand names:
Mavyret

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 04, 2025
Interaction Details
Glecaprevir, Pibrentasvir is classified as belonging to the following category: Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, European barberry might increase the levels and clinical effects of CYP3A4 substrates.
There is very preliminary evidence suggesting that berberine, a constituent of European barberry, might inhibit the CYP3A4 enzyme. Theoretically, European barberry might have a similar effect.
Interaction Rating
Likelihood of Occurrence
PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
References
- Wu X, Li Q, Xin H, Yu A, Zhong M. Effects of berberine on the blood concentration of cyclosporin A in renal transplanted recipients: clinical and pharmacokinetic study. Eur J Clin Pharmacol 2005;61:567-72.
European Barberry Overview

Glecaprevir, Pibrentasvir Overview
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The combination of glecaprevir and pibrentasvir is used to treat certain types of chronic (long-term) hepatitis C infection (swelling of the liver caused by a virus) in adults and children 3 years of age and older. It is also used to treat certain types of chronic hepatitis C infection in adults and children 3 years of age and older who have already received another medication to treat their hepatitis C infection. Glecaprevir is in a class of medications called HCV NS3/4A protease inhibitors. It works by decreasing the amount of hepatitis C virus (HCV) in the body. Pibrentasvir is in a class of medications called HCV NS5A inhibitors. It works by stopping the virus that causes hepatitis C to spread inside the body.
European Barberry - More Interactions
European Barberry interacts with 1183 drugs
Interaction Rating Key
These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.
Major | The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur. |
Moderate | Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur. |
Minor | Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction. |
Unknown | No interactions have been reported or no interaction data is currently available. |
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
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Drug descriptions are provided by MedlinePlus.