Drug interactions
Elranatamab + Olanzapine
Severity: Moderate
Elranatamab and Olanzapine: 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
Elranatamab induces cytokine release syndrome, and elevated cytokines can temporarily suppress CYP enzyme activity. This may raise olanzapine exposure, which is cleared partly by CYP1A2, and increase sedation or other adverse effects.
What this interaction means in plain words
Elranatamab and Olanzapine 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.
Elranatamab belongs to Oncology; Olanzapine belongs to Central Nervous System.
Why it happens
Cytokine-mediated suppression of CYP1A2 metabolism of olanzapine.
What to do
Monitor for olanzapine adverse effects such as sedation and hypotension during step-up dosing and for about 14 days after, and during any CRS episode. Reduce the olanzapine 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?
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Other interactions of Olanzapine
Other interactions of Elranatamab
- Elranatamab + Ergotamine Major
- Elranatamab + Pimozide Major
- Bendamustine + Elranatamab Moderate
- Carbamazepine + Elranatamab Moderate
- Clomipramine + Elranatamab Moderate
- Clozapine + Elranatamab Moderate
Frequently asked questions
Can I take Elranatamab with Olanzapine?
MediHelp rates the interaction as moderate. Elranatamab and Olanzapine 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. Elranatamab induces cytokine release syndrome, and elevated cytokines can temporarily suppress CYP enzyme activity. This may raise olanzapine exposure, which is cleared partly by CYP1A2, and increase sedation or other adverse effects.
How serious is the interaction between Elranatamab and Olanzapine?
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 for olanzapine adverse effects such as sedation and hypotension during step-up dosing and for about 14 days after, and during any CRS episode. Reduce the olanzapine dose if toxicity appears.
What other medicines interact with Olanzapine?
MediHelp also lists interactions of Olanzapine with, for example, Amisulpride, Amoxapine, Apomorphine. The full list is on the Olanzapine page.
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