Drug interactions
Crizotinib + Sufentanil sl
Severity: Major
Crizotinib and Sufentanil sl: major interaction.
Last updated Sources: US FDA label
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
Crizotinib may raise sufentanil concentrations by inhibiting CYP3A4, which can intensify and prolong opioid effects. Potentially fatal respiratory depression is a concern, particularly with the sublingual product.
What this interaction means in plain words
Crizotinib and Sufentanil sl 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.
Why it happens
Crizotinib inhibits CYP3A4 metabolism of sufentanil.
What to do
Monitor closely for respiratory depression and sedation, and consider an alternative analgesic that is not CYP3A4-dependent.
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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References
Other interactions of Crizotinib
- Crizotinib + Flibanserin Contraindicated
- Crizotinib + Lomitapide Contraindicated
- Crizotinib + Lonafarnib Contraindicated
- Crizotinib + Pimozide Contraindicated
- Crizotinib + Saquinavir Contraindicated
- Crizotinib + Thioridazine Contraindicated
Frequently asked questions
Can I take Crizotinib with Sufentanil sl?
MediHelp rates the interaction as major. Crizotinib and Sufentanil sl 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. Crizotinib may raise sufentanil concentrations by inhibiting CYP3A4, which can intensify and prolong opioid effects. Potentially fatal respiratory depression is a concern, particularly with the sublingual product.
How serious is the interaction between Crizotinib and Sufentanil sl?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor closely for respiratory depression and sedation, and consider an alternative analgesic that is not CYP3A4-dependent.
What other medicines interact with Crizotinib?
MediHelp also lists interactions of Crizotinib with, for example, Flibanserin, Lomitapide, Lonafarnib. The full list is on the Crizotinib page.
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