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Drug Interactions between trametinib and vemurafenib

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

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Interactions between your drugs

No interactions were found between trametinib and vemurafenib. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

trametinib

A total of 20 drugs are known to interact with trametinib.

vemurafenib

A total of 600 drugs are known to interact with vemurafenib.

Drug and food interactions

Moderate

trametinib food

Applies to: trametinib

ADJUST DOSING INTERVAL: Food may reduce as well as delay the absorption of trametinib. In study subjects, administration of a single dose of trametinib with a high-fat, high-calorie meal decreased peak plasma concentration (Cmax) and systemic exposure (AUC) by 70% and 24%, respectively, and delayed Tmax by approximately 4 hours compared to administration in the fasted state.

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

References

  1. "Product Information. Mekinist (trametinib)." GlaxoSmithKline (2013):

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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:

  • trametinib
  • vemurafenib

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