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Drug Interactions between brentuximab and futibatinib

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

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Interactions between your drugs

Moderate

brentuximab vedotin futibatinib

Applies to: brentuximab and futibatinib

MONITOR: Coadministration with inhibitors of P-glycoprotein (P-gp) may increase the plasma concentrations of monomethyl auristatin E (MMAE), the microtubule-disrupting component of brentuximab vedotin. In vitro, MMAE was found to be a substrate of the P-gp efflux transporter.

MANAGEMENT: Caution is advised when brentuximab is used with P-gp inhibitors. Close monitoring for adverse effects including neutropenia, infection, peripheral neuropathy, and hepatotoxicity is recommended.

References (1)
  1. (2011) "Product Information. Adcetris (brentuximab vedotin)." Seattle Genetics Inc

Drug and food interactions

Major

futibatinib food

Applies to: futibatinib

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of futibatinib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. In general, the effect of grapefruit juice is concentration-, dose- and preparation-dependent, and can vary widely among brands. Certain preparations of grapefruit juice (e.g., high dose, double strength) have sometimes demonstrated potent inhibition of CYP450 3A4, while other preparations (e.g., low dose, single strength) have typically demonstrated moderate inhibition. Increased exposure to futibatinib may increase the risk of adverse effects such as retinal pigment epithelial detachment, dry eye/corneal keratitis, pyrexia, hyperphosphatemia and soft tissue mineralization, palmar-plantar erythrodysesthesia syndrome, fatigue, nail toxicity, urinary tract infection, constipation, diarrhea, dry mouth, increased liver function tests (ALT and AST), stomatitis, abdominal pain, ascites, bile duct obstruction, and musculoskeletal pain.

MANAGEMENT: Patients should be advised to avoid consumption of grapefruit or grapefruit juice during treatment with futibatinib.

References (1)
  1. (2022) "Product Information. Lytgobi (futibatinib)." Taiho Oncology, Inc., 1

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.

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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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