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Drug interactions

Isavuconazonium + Mycophenolate mofetil

Severity: Moderate

Isavuconazonium and Mycophenolate mofetil: 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

Isavuconazole may inhibit UGT enzymes involved in mycophenolic acid glucuronidation, potentially raising mycophenolate exposure. Higher levels could increase myelosuppression and gastrointestinal toxicity. The effect is predicted and likely modest.

What this interaction means in plain words

Isavuconazonium and Mycophenolate mofetil 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.

Isavuconazonium belongs to Anti Fungals; Mycophenolate mofetil belongs to Miscellaneous.

Evidence level: Low

Why it happens

Possible inhibition of UGT-mediated glucuronidation of mycophenolic acid by isavuconazole.

What to do

Monitor blood counts and gastrointestinal tolerability, and consider mycophenolic acid level monitoring. Reduce the mycophenolate dose if toxicity appears.

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 Isavuconazonium with Mycophenolate mofetil?

MediHelp rates the interaction as moderate. Isavuconazonium and Mycophenolate mofetil 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. Isavuconazole may inhibit UGT enzymes involved in mycophenolic acid glucuronidation, potentially raising mycophenolate exposure. Higher levels could increase myelosuppression and gastrointestinal toxicity. The effect is predicted and likely modest.

How serious is the interaction between Isavuconazonium and Mycophenolate mofetil?

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 blood counts and gastrointestinal tolerability, and consider mycophenolic acid level monitoring. Reduce the mycophenolate dose if toxicity appears.

What other medicines interact with Mycophenolate mofetil?

MediHelp also lists interactions of Mycophenolate mofetil with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal. The full list is on the Mycophenolate mofetil page.

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