Drug interactions
Propylthiouracil + Valoctocogene roxaparvovec
Severity: Major
Propylthiouracil and Valoctocogene roxaparvovec: 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 raises liver enzymes, and propylthiouracil is a known cause of serious liver injury. Combined use may increase hepatotoxicity risk and can complicate interpretation of enzyme rises after gene therapy.
What this interaction means in plain words
Propylthiouracil and Valoctocogene roxaparvovec 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.
Propylthiouracil belongs to Endocrine; Valoctocogene roxaparvovec belongs to Miscellaneous.
Why it happens
Additive hepatotoxicity risk from propylthiouracil and gene therapy-related hepatocellular effects.
What to do
Prefer an alternative antithyroid agent such as methimazole where possible. If used, monitor ALT and other liver tests frequently.
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 Propylthiouracil
Other interactions of Valoctocogene roxaparvovec
Frequently asked questions
Can I take Propylthiouracil with Valoctocogene roxaparvovec?
MediHelp rates the interaction as major. Propylthiouracil and Valoctocogene roxaparvovec 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 raises liver enzymes, and propylthiouracil is a known cause of serious liver injury. Combined use may increase hepatotoxicity risk and can complicate interpretation of enzyme rises after gene therapy.
How serious is the interaction between Propylthiouracil and Valoctocogene roxaparvovec?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer an alternative antithyroid agent such as methimazole where possible. If used, monitor ALT and other liver tests frequently.
What other medicines interact with Propylthiouracil?
MediHelp also lists interactions of Propylthiouracil with, for example, Carbamazepine, Clozapine, Methimazole. The full list is on the Propylthiouracil page.
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