Drug interactions
Bendamustine + Elranatamab
Severity: Moderate
Bendamustine and Elranatamab: 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 causes cytokine release that can transiently suppress CYP enzymes, possibly raising exposure to CYP1A2 substrates such as bendamustine. The effect is greatest around step-up dosing and during cytokine release syndrome.
What this interaction means in plain words
Bendamustine and Elranatamab 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.
Bendamustine belongs to Oncology; Elranatamab belongs to Oncology.
Why it happens
Cytokine-mediated suppression of CYP1A2 activity.
What to do
Monitor for bendamustine toxicity, particularly cytopenias, during the period of cytokine release risk after elranatamab initiation. Manage cytokine release syndrome per protocol.
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 Bendamustine
Other interactions of Elranatamab
- Elranatamab + Ergotamine Major
- Elranatamab + Pimozide Major
- Carbamazepine + Elranatamab Moderate
- Clomipramine + Elranatamab Moderate
- Clozapine + Elranatamab Moderate
- Colchicine + Elranatamab Moderate
Frequently asked questions
Can I take Bendamustine with Elranatamab?
MediHelp rates the interaction as moderate. Bendamustine and Elranatamab 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 causes cytokine release that can transiently suppress CYP enzymes, possibly raising exposure to CYP1A2 substrates such as bendamustine. The effect is greatest around step-up dosing and during cytokine release syndrome.
How serious is the interaction between Bendamustine and Elranatamab?
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 bendamustine toxicity, particularly cytopenias, during the period of cytokine release risk after elranatamab initiation. Manage cytokine release syndrome per protocol.
What other medicines interact with Bendamustine?
MediHelp also lists interactions of Bendamustine with, for example, Axicabtagene ciloleucel, Brexucabtagene autoleucel, Chlorambucil. The full list is on the Bendamustine page.
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