Drug interactions
Blinatumomab + Sirolimus
Severity: Moderate
Blinatumomab and Sirolimus: 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
Blinatumomab causes transient cytokine release that can suppress CYP450 enzymes, mainly in the first days of each cycle. This may transiently raise sirolimus concentrations and cause toxicity.
What this interaction means in plain words
Blinatumomab and Sirolimus 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.
Blinatumomab belongs to Oncology; Sirolimus belongs to Miscellaneous.
Why it happens
Cytokine-mediated transient suppression of CYP3A4 reducing sirolimus metabolism.
What to do
Monitor sirolimus trough levels and toxicity during the first days of each blinatumomab cycle. Adjust the sirolimus dose 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?
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Other interactions of Sirolimus
- Adenovirus types 4 and 7 live + Sirolimus Contraindicated
- Bcg vaccine live + Sirolimus Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Sirolimus Contraindicated
- Ketoconazole + Sirolimus Contraindicated
- Levoketoconazole + Sirolimus Contraindicated
- Measles mumps and rubella vaccine live + Sirolimus Contraindicated
Other interactions of Blinatumomab
- Blinatumomab + Carbamazepine Moderate
- Blinatumomab + Cyclosporin Moderate
- Blinatumomab + Ethosuximide Moderate
- Blinatumomab + Phenytoin Moderate
- Blinatumomab + Quinidine Moderate
- Blinatumomab + Quinine Moderate
Frequently asked questions
Can I take Blinatumomab with Sirolimus?
MediHelp rates the interaction as moderate. Blinatumomab and Sirolimus 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. Blinatumomab causes transient cytokine release that can suppress CYP450 enzymes, mainly in the first days of each cycle. This may transiently raise sirolimus concentrations and cause toxicity.
How serious is the interaction between Blinatumomab and Sirolimus?
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 sirolimus trough levels and toxicity during the first days of each blinatumomab cycle. Adjust the sirolimus dose as needed.
What other medicines interact with Sirolimus?
MediHelp also lists interactions of Sirolimus with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal. The full list is on the Sirolimus page.
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