Drug interactions
Leniolisib + Ritonavir
Severity: Major
Leniolisib and Ritonavir: major 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
Ritonavir strongly inhibits CYP3A4 and is expected to increase leniolisib exposure, raising the risk of dose-related adverse effects.
What this interaction means in plain words
Leniolisib and Ritonavir can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Leniolisib belongs to Miscellaneous; Ritonavir belongs to Anti Virals.
Why it happens
Strong CYP3A4 inhibition by ritonavir reduces leniolisib clearance.
What to do
Avoid concurrent use; if unavoidable, monitor closely for adverse reactions.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Leniolisib
Other interactions of Ritonavir
- Alfuzosin + Ritonavir Contraindicated
- Amiodarone + Ritonavir Contraindicated
- Avanafil + Ritonavir Contraindicated
- Colchicine + Ritonavir Contraindicated
- Dronedarone + Ritonavir Contraindicated
- Eletriptan + Ritonavir Contraindicated
Frequently asked questions
Can I take Leniolisib with Ritonavir?
MediHelp rates the interaction as major. Leniolisib and Ritonavir can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Ritonavir strongly inhibits CYP3A4 and is expected to increase leniolisib exposure, raising the risk of dose-related adverse effects.
How serious is the interaction between Leniolisib and Ritonavir?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use; if unavoidable, monitor closely for adverse reactions.
What other medicines interact with Leniolisib?
MediHelp also lists interactions of Leniolisib with, for example, Amobarbital, Apalutamide, Carbamazepine. The full list is on the Leniolisib page.
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