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Drug Interactions between Claravis and vemurafenib

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

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Interactions between your drugs

Moderate

ISOtretinoin vemurafenib

Applies to: Claravis (isotretinoin) and vemurafenib

MONITOR: Coadministration with vemurafenib may increase the plasma concentrations and the risk of adverse effects of drugs that are substrates of CYP450 2C8. The proposed mechanism, based on in vitro data, is decreased clearance due to vemurafenib-mediated inhibition of CYP450 2C8.

MANAGEMENT: Caution is advised if vemurafenib is used concomitantly with drugs that are substrates of CYP450 2C8, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring should be considered whenever vemurafenib is added to or withdrawn from therapy with these drugs. Since vemurafenib has a long half-life, a wash-out period of 8 days following the discontinuation of vemurafenib has been suggested to avoid an interaction with subsequent therapy. Patients should be monitored for the development of adverse effects.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. Cerner Multum, Inc. "Australian Product Information."

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Drug and food interactions

Moderate

ISOtretinoin food

Applies to: Claravis (isotretinoin)

GENERALLY AVOID: The combined use of ethanol and isotretinoin may result in a disulfiram-like reaction. The mechanism has not been established.

MANAGEMENT: Alcohol consumption should be avoided during isotretinoin therapy.

References

  1. (2001) "Product Information. Accutane (isotretinoin)." Roche Laboratories

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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.

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