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Drug interactions

Odronextamab + Warfarin

Severity: Moderate

Odronextamab and Warfarin: 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

Cytokine release after odronextamab can temporarily suppress CYP450 enzymes and raise warfarin exposure. This may increase INR and bleeding risk, mainly in the first cycle.

What this interaction means in plain words

Odronextamab and Warfarin 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.

Odronextamab belongs to Miscellaneous; Warfarin belongs to Cardiovascular.

Evidence level: Low

Why it happens

Transient cytokine-mediated downregulation of CYP450 activity reduces warfarin metabolism.

What to do

Monitor INR more frequently during the first treatment cycle and adjust warfarin as needed.

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 Odronextamab with Warfarin?

MediHelp rates the interaction as moderate. Odronextamab and Warfarin 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. Cytokine release after odronextamab can temporarily suppress CYP450 enzymes and raise warfarin exposure. This may increase INR and bleeding risk, mainly in the first cycle.

How serious is the interaction between Odronextamab and Warfarin?

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 INR more frequently during the first treatment cycle and adjust warfarin as needed.

What other medicines interact with Odronextamab?

MediHelp also lists interactions of Odronextamab with, for example, Cyclosporin, Theophylline. The full list is on the Odronextamab page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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