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Drug interactions

Thioguanine + Valoctocogene roxaparvovec

Severity: Moderate

Thioguanine and Valoctocogene roxaparvovec: moderate 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 gene therapy commonly causes raised liver enzymes, and thioguanine can itself be hepatotoxic, including veno-occlusive disease. Combined use may increase hepatic injury and reduce the gene therapy's effect.

What this interaction means in plain words

Thioguanine and Valoctocogene roxaparvovec can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Thioguanine belongs to Oncology; Valoctocogene roxaparvovec belongs to Miscellaneous.

Evidence level: Low

Why it happens

Additive hepatotoxicity from two agents with liver injury potential.

What to do

Monitor liver enzymes closely after gene therapy and consider an alternative to thioguanine; adjust or stop it if liver enzymes rise.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Thioguanine with Valoctocogene roxaparvovec?

MediHelp rates the interaction as moderate. Thioguanine and Valoctocogene roxaparvovec can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Valoctocogene roxaparvovec gene therapy commonly causes raised liver enzymes, and thioguanine can itself be hepatotoxic, including veno-occlusive disease. Combined use may increase hepatic injury and reduce the gene therapy's effect.

How serious is the interaction between Thioguanine and Valoctocogene roxaparvovec?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor liver enzymes closely after gene therapy and consider an alternative to thioguanine; adjust or stop it if liver enzymes rise.

What other medicines interact with Thioguanine?

MediHelp also lists interactions of Thioguanine with, for example, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel, Belatacept. The full list is on the Thioguanine page.

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