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Drug Interactions between capmatinib and dabrafenib

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Major

dabrafenib capmatinib

Applies to: dabrafenib and capmatinib

GENERALLY AVOID: Coadministration with potent or moderate inducers of CYP450 3A4 may significantly decrease the plasma concentrations of capmatinib. According to the prescribing information, capmatinib is primarily metabolized by CYP450 3A4 and aldehyde oxidase. When administered with rifampin, a potent CYP450 3A4 inducer, capmatinib peak plasma concentration (Cmax) and systemic exposure (AUC) decreased by 56% and 67%, respectively. Coadministration with efavirenz, a moderate CYP450 3A4 inducer, decreased capmatinib Cmax and AUC by 34% and 44%, respectively. Loss of anti-tumor activity may result.

MANAGEMENT: Concomitant use of capmatinib with potent or moderate CYP450 3A4 inducers should be avoided.

References (1)
  1. (2020) "Product Information. Tabrecta (capmatinib)." Novartis Pharmaceuticals

Drug and food/lifestyle interactions

Moderate

dabrafenib food/lifestyle

Applies to: dabrafenib

ADJUST DOSING INTERVAL: Food may reduce as well as delay the absorption of dabrafenib. In study subjects, administration of dabrafenib with a high-fat meal decreased peak plasma concentration (Cmax) and systemic exposure (AUC) by 51% and 31%, respectively, and delayed median Tmax by approximately 3.6 hours compared to administration in the fasted state.

MANAGEMENT: Dabrafenib should be taken at least 1 hour before or 2 hours after a meal.

References (1)
  1. (2013) "Product Information. Tafinlar (dabrafenib)." GlaxoSmithKline

Therapeutic duplication warnings

Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.

Duplication

Multikinase inhibitors

Therapeutic duplication

The recommended maximum number of medicines in the 'multikinase inhibitors' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'multikinase inhibitors' category:

  • capmatinib
  • dabrafenib

Note: In certain circumstances, the benefits of taking this combination of drugs may outweigh any risks. Always consult your healthcare provider before making changes to your medications or dosage.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer