Drug interactions
Bortezomib + Tazemetostat
Severity: Minor
Bortezomib and Tazemetostat: 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
Tazemetostat is a weak-to-moderate CYP3A4 inducer, so it might lower bortezomib levels. The reverse effect is not established.
What this interaction means in plain words
Bortezomib and Tazemetostat have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Bortezomib belongs to Oncology; Tazemetostat belongs to Miscellaneous.
Why it happens
Tazemetostat may weakly induce CYP3A4, slightly increasing bortezomib clearance.
What to do
Monitor disease response and bortezomib tolerance; no dose adjustment is routinely needed.
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?
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Other interactions of Bortezomib
- Apalutamide + Bortezomib Major
- Bortezomib + Carbamazepine Major
- Bortezomib + Etrasimod Major
- Bortezomib + Fosphenytoin Major
- Bortezomib + Idelalisib Major
- Bortezomib + Lonafarnib Major
Other interactions of Tazemetostat
Frequently asked questions
Can I take Bortezomib with Tazemetostat?
MediHelp rates the interaction as minor. Bortezomib and Tazemetostat have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tazemetostat is a weak-to-moderate CYP3A4 inducer, so it might lower bortezomib levels. The reverse effect is not established.
How serious is the interaction between Bortezomib and Tazemetostat?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor disease response and bortezomib tolerance; no dose adjustment is routinely needed.
What other medicines interact with Bortezomib?
MediHelp also lists interactions of Bortezomib with, for example, Apalutamide, Carbamazepine, Etrasimod. The full list is on the Bortezomib page.
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