Drug interactions
Bosentan + Pralsetinib
Severity: Moderate
Bosentan and Pralsetinib: 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
Pralsetinib is a CYP3A4 substrate, so induction by bosentan may reduce its concentrations and anticancer efficacy.
What this interaction means in plain words
Bosentan and Pralsetinib 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.
Bosentan belongs to Miscellaneous; Pralsetinib belongs to Oncology.
Why it happens
Bosentan induces CYP3A4, increasing pralsetinib clearance.
What to do
Avoid if possible. If unavoidable, follow labeling to increase the pralsetinib dose and monitor tumor response.
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 Bosentan
- Bosentan + Cyclosporin Contraindicated
- Bosentan + Glibenclamide Contraindicated
- Bosentan + Glyburide-metformin Contraindicated
- Bosentan + Lonafarnib Contraindicated
- Bosentan + Sparsentan Contraindicated
- Artemether / lumefantrine + Bosentan Major
Other interactions of Pralsetinib
Frequently asked questions
Can I take Bosentan with Pralsetinib?
MediHelp rates the interaction as moderate. Bosentan and Pralsetinib 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. Pralsetinib is a CYP3A4 substrate, so induction by bosentan may reduce its concentrations and anticancer efficacy.
How serious is the interaction between Bosentan and Pralsetinib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible. If unavoidable, follow labeling to increase the pralsetinib dose and monitor tumor response.
What other medicines interact with Bosentan?
MediHelp also lists interactions of Bosentan with, for example, Cyclosporin, Glibenclamide, Glyburide-metformin. The full list is on the Bosentan page.
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