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Interactions médicamenteuses

Buprenorphine + Selpercatinib

Gravité: Majeure

Buprenorphine and Selpercatinib: major interaction.

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Résumé

Both drugs can prolong the QT interval, so combined use may raise the risk of torsades de pointes. The risk is greater with electrolyte disturbances, bradycardia or underlying heart disease.

Ce que signifie cette interaction, en termes simples

Buprenorphine and Selpercatinib 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.

Buprenorphine belongs to Musculoskeletal; Selpercatinib belongs to Oncology.

Niveau de preuve: Moderate

Pourquoi elle survient

Additive prolongation of cardiac repolarization through potassium channel effects.

Conduite à tenir

Obtain a baseline ECG and correct potassium and magnesium before starting, then monitor the QTc periodically. Consider an alternative analgesic if the QTc becomes markedly prolonged.

Questions à poser à votre pharmacien

  • 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Questions fréquentes

Can I take Buprenorphine with Selpercatinib?

MediHelp rates the interaction as major. Buprenorphine and Selpercatinib 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. Both drugs can prolong the QT interval, so combined use may raise the risk of torsades de pointes. The risk is greater with electrolyte disturbances, bradycardia or underlying heart disease.

How serious is the interaction between Buprenorphine and Selpercatinib?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct potassium and magnesium before starting, then monitor the QTc periodically. Consider an alternative analgesic if the QTc becomes markedly prolonged.

What other medicines interact with Buprenorphine?

MediHelp also lists interactions of Buprenorphine with, for example, Alvimopan, Calcium / magnesium / potassium / sodium oxybates, Olanzapine / samidorphan. The full list is on the Buprenorphine page.

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