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Drug Interactions between bosutinib and Protopic

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

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Interactions between your drugs

Moderate

tacrolimus topical bosutinib

Applies to: Protopic (tacrolimus topical) and bosutinib

GENERALLY AVOID: Coadministration of topical tacrolimus with other immunosuppressive agents may potentiate the immunosuppressive effects of topical tacrolimus. However, data concerning its safety and efficacy in combination with immunosuppressants are not available. According to the prescribing information, rare cases of skin malignancy and lymphoma have been reported in patients who have received treatment with topical calcineurin inhibitors, including topical tacrolimus. On the other hand, systemic exposure from topical tacrolimus is reported to be less than 1 ng/mL. In addition, the lowest tacrolimus blood concentration from topical application at which systemic effects can be observed is unknown.

MANAGEMENT: According to the manufacturer, use of topical tacrolimus in immunocompromised patients is not recommended. Therefore, until further information is available, it may be advisable to avoid its concomitant use with other immunosuppressants. Screening for the development of malignancy during and after treatment may also be considered.

References (3)
  1. (2024) "Product Information. Tacrolimus Topical (tacrolimus topical)." Accord-UK Ltd
  2. (2023) "Product Information. Protopic (tacrolimus topical)." Leo Pharma Inc
  3. (2023) "Product Information. Azematop (TACrolimus topical)." Accord Healthcare Pty Ltd

Drug and food interactions

Moderate

bosutinib food

Applies to: bosutinib

ADJUST DOSING INTERVAL: Food enhances the oral bioavailability of bosutinib. When given with a high-fat meal, bosutinib peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 1.8- and 1.7-fold, respectively.

GENERALLY AVOID: Coadministration with grapefruit juice is likely to increase the plasma concentrations of bosutinib, which is primarily metabolized by CYP450 3A4. However, the interaction has not been studied. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit.

MANAGEMENT: Bosutinib should be administered with a meal. The consumption of grapefruit, grapefruit juice, and supplements that contain grapefruit extract should be avoided.

References (1)
  1. (2012) "Product Information. Bosulif (bosutinib)." Pfizer U.S. Pharmaceuticals Group

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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