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Drug Interactions between adagrasib and cobimetinib

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

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Interactions between your drugs

Major

cobimetinib adagrasib

Applies to: cobimetinib and adagrasib

Consumer information for this interaction is not currently available.

GENERALLY AVOID: Coadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of cobimetinib, which is primarily metabolized by the isoenzyme. In 15 healthy volunteers given a single 10 mg dose of cobimetinib with the potent CYP450 3A4 inhibitor itraconazole (200 mg once daily for 14 days), mean cobimetinib peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 3.2- and 6.7-fold, respectively, compared to cobimetinib administered alone. The risk and/or severity of adverse effects such as diarrhea, nausea, vomiting, stomatitis, hemorrhage, cardiomyopathy, rash, photosensitivity, retinopathy, retinal vein occlusion, liver enzyme abnormalities, and rhabdomyolysis may be increased.

MANAGEMENT: Concomitant use of cobimetinib with potent CYP450 3A4 inhibitors should generally be avoided. Some authorities recommend avoiding concomitant use of cobimetinib during and for 2 weeks after treatment with itraconazole.

References

  1. "Product Information. Sporanox (itraconazole)." Janssen Pharmaceuticals PROD (2002):
  2. Cerner Multum, Inc. "Australian Product Information." O 0
  3. "Product Information. Cotellic (cobimetinib)." Genentech (2015):

Drug and food interactions

Major

adagrasib food

Applies to: adagrasib

You should avoid consumption of grapefruit and grapefruit juice during approximately the first 8 days of treatment with adagrasib. During this time, grapefruit juice may increase the blood levels of adagrasib. This may increase the risk of side effects such as diarrhea, fatigue, musculoskeletal pain, hepatotoxicity, renal impairment, and an irregular heart rhythm that may be serious and potentially life-threatening. You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or heart palpitations during treatment with adagrasib. Talk to your doctor if you have any questions or concerns. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

cobimetinib food

Applies to: cobimetinib

Grapefruit juice may increase the blood levels and effects of certain medications such as cobimetinib. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with cobimetinib. However, if you have been regularly consuming grapefruit or grapefruit juice with cobimetinib, do not alter the amounts of these products in your diet without first talking to your doctor or other healthcare professional. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.

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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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