Drug interactions
Idelalisib + Metformin-repaglinide
Severity: Major
Idelalisib and Metformin-repaglinide: 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
Idelalisib is a strong CYP3A inhibitor and can substantially raise repaglinide exposure, increasing the risk of hypoglycemia.
What this interaction means in plain words
Idelalisib and Metformin-repaglinide 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.
Idelalisib belongs to Oncology; Metformin-repaglinide belongs to Endocrine.
Why it happens
Strong CYP3A4 inhibition reduces repaglinide clearance.
What to do
Avoid the combination if possible by using another antidiabetic agent. If unavoidable, reduce the repaglinide dose and monitor blood glucose closely.
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 Metformin-repaglinide
Other interactions of Idelalisib
- Alfuzosin + Idelalisib Contraindicated
- Cisapride + Idelalisib Contraindicated
- Dihydroergotamine + Idelalisib Contraindicated
- Dronedarone + Idelalisib Contraindicated
- Eletriptan + Idelalisib Contraindicated
- Eplerenone + Idelalisib Contraindicated
Frequently asked questions
Can I take Idelalisib with Metformin-repaglinide?
MediHelp rates the interaction as major. Idelalisib and Metformin-repaglinide 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. Idelalisib is a strong CYP3A inhibitor and can substantially raise repaglinide exposure, increasing the risk of hypoglycemia.
How serious is the interaction between Idelalisib and Metformin-repaglinide?
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 the combination if possible by using another antidiabetic agent. If unavoidable, reduce the repaglinide dose and monitor blood glucose closely.
What other medicines interact with Metformin-repaglinide?
MediHelp also lists interactions of Metformin-repaglinide with, for example, Gemfibrozil, Apalutamide, Clarithromycin. The full list is on the Metformin-repaglinide page.
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