Drug interactions
Valoctocogene roxaparvovec + Valproic acid
Severity: Major
Valoctocogene roxaparvovec and Valproic acid: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Valoctocogene roxaparvovec commonly causes transaminase elevations, and valproate is also hepatotoxic. Concurrent use may increase liver injury and may reduce the response to gene therapy.
What this interaction means in plain words
Valoctocogene roxaparvovec and Valproic acid can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Valoctocogene roxaparvovec belongs to Miscellaneous; Valproic acid belongs to Central Nervous System.
Why it happens
Additive hepatotoxicity from two hepatotoxic agents.
What to do
Monitor liver enzymes frequently after infusion and consider an alternative anticonvulsant if feasible. Manage any transaminase rise according to the gene therapy protocol.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Valproic acid
- Ertapenem + Valproic acid Contraindicated
- Imipenem / cilastatin / relebactam + Valproic acid Contraindicated
- Imipenem / cilastatin + Valproic acid Contraindicated
- Meropenem / vaborbactam + Valproic acid Contraindicated
- Meropenem + Valproic acid Contraindicated
- Calcium / magnesium / potassium / sodium oxybates + Valproic acid Major
Other interactions of Valoctocogene roxaparvovec
Frequently asked questions
Can I take Valoctocogene roxaparvovec with Valproic acid?
MediHelp rates the interaction as major. Valoctocogene roxaparvovec and Valproic acid can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Valoctocogene roxaparvovec commonly causes transaminase elevations, and valproate is also hepatotoxic. Concurrent use may increase liver injury and may reduce the response to gene therapy.
How serious is the interaction between Valoctocogene roxaparvovec and Valproic acid?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor liver enzymes frequently after infusion and consider an alternative anticonvulsant if feasible. Manage any transaminase rise according to the gene therapy protocol.
What other medicines interact with Valproic acid?
MediHelp also lists interactions of Valproic acid with, for example, Ertapenem, Imipenem / cilastatin / relebactam, Imipenem / cilastatin. The full list is on the Valproic acid page.
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