Drug interactions
Ceritinib + Octreotide
Severity: Major
Ceritinib and Octreotide: 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
Ceritinib prolongs the QT interval and can cause bradycardia, and octreotide has similar effects on heart rate and conduction. Together they may increase the risk of torsades de pointes.
What this interaction means in plain words
Ceritinib and Octreotide 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.
Ceritinib belongs to Oncology; Octreotide belongs to Endocrine.
Why it happens
Additive QTc prolongation and bradycardia.
What to do
Avoid if possible; otherwise monitor ECG and electrolytes regularly and correct potassium and magnesium, reducing the ceritinib dose or interrupting it if QTc becomes markedly prolonged.
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 Octreotide
Other interactions of Ceritinib
- Ceritinib + Cisapride Contraindicated
- Ceritinib + Eletriptan Contraindicated
- Ceritinib + Flibanserin Contraindicated
- Ceritinib + Pimozide Contraindicated
- Ceritinib + Thioridazine Contraindicated
- Ceritinib + Tolvaptan Contraindicated
Frequently asked questions
Can I take Ceritinib with Octreotide?
MediHelp rates the interaction as major. Ceritinib and Octreotide 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. Ceritinib prolongs the QT interval and can cause bradycardia, and octreotide has similar effects on heart rate and conduction. Together they may increase the risk of torsades de pointes.
How serious is the interaction between Ceritinib and Octreotide?
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 if possible; otherwise monitor ECG and electrolytes regularly and correct potassium and magnesium, reducing the ceritinib dose or interrupting it if QTc becomes markedly prolonged.
What other medicines interact with Octreotide?
MediHelp also lists interactions of Octreotide with, for example, Adagrasib, Amisulpride, Arsenic trioxide. The full list is on the Octreotide page.
Full monographs, dosing and an interaction checker in the MediHelp app
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