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Drug interactions

Pacritinib + Topiramate

Severity: Minor

Pacritinib and Topiramate: minor 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

Pacritinib is metabolized by CYP3A4, and topiramate is only a weak inducer, so any reduction in pacritinib exposure is likely small. The significance is uncertain and not well characterized.

What this interaction means in plain words

Pacritinib and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Pacritinib belongs to Oncology; Topiramate belongs to Central Nervous System.

Evidence level: Low

Why it happens

Weak CYP3A4 induction by topiramate may modestly reduce pacritinib exposure.

What to do

No routine dose adjustment is needed. Monitor response to pacritinib, including spleen size and symptoms.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Pacritinib with Topiramate?

MediHelp rates the interaction as minor. Pacritinib and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pacritinib is metabolized by CYP3A4, and topiramate is only a weak inducer, so any reduction in pacritinib exposure is likely small. The significance is uncertain and not well characterized.

How serious is the interaction between Pacritinib and Topiramate?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine dose adjustment is needed. Monitor response to pacritinib, including spleen size and symptoms.

What other medicines interact with Topiramate?

MediHelp also lists interactions of Topiramate with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Topiramate 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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