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Drug interactions

Ivosidenib + Medroxyprogesterone

Severity: Major

Ivosidenib and Medroxyprogesterone: 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

Ivosidenib induces CYP3A4 and may reduce medroxyprogesterone exposure. This could cause loss of contraceptive or therapeutic efficacy.

What this interaction means in plain words

Ivosidenib and Medroxyprogesterone 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.

Ivosidenib belongs to Oncology; Medroxyprogesterone belongs to Endocrine.

Evidence level: Moderate

Why it happens

Ivosidenib induces CYP3A4, increasing medroxyprogesterone metabolism.

What to do

Use a non-hormonal contraceptive method or add a barrier method during therapy. Monitor for loss of efficacy when medroxyprogesterone is used therapeutically.

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?

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 Ivosidenib with Medroxyprogesterone?

MediHelp rates the interaction as major. Ivosidenib and Medroxyprogesterone 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. Ivosidenib induces CYP3A4 and may reduce medroxyprogesterone exposure. This could cause loss of contraceptive or therapeutic efficacy.

How serious is the interaction between Ivosidenib and Medroxyprogesterone?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use a non-hormonal contraceptive method or add a barrier method during therapy. Monitor for loss of efficacy when medroxyprogesterone is used therapeutically.

What other medicines interact with Medroxyprogesterone?

MediHelp also lists interactions of Medroxyprogesterone with, for example, Bosentan, Brigatinib, Eslicarbazepine. The full list is on the Medroxyprogesterone 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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