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Drug Interactions between indacaterol and Lytgobi

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

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Interactions between your drugs

Minor

indacaterol futibatinib

Applies to: indacaterol and Lytgobi (futibatinib)

Coadministration with inhibitors of CYP450 3A4 and/or P-glycoprotein may increase the systemic exposure to indacaterol following oral inhalation, as it is a substrate of both the isoenzyme and efflux transporter. When a single 300 mcg dose of indacaterol inhalation powder was administered in combination with the potent dual CYP450 3A4/P-glycoprotein inhibitor, ketoconazole (200 mcg twice daily for 7 days), indacaterol peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 1.3- and 1.9-fold, respectively. These changes probably reflect the impact of maximal combined inhibition. Similarly, verapamil 80 mg three times a day for 4 days increased indacaterol Cmax by 1.5-fold and AUC by 2-fold, while erythromycin 400 mg four times a day for 7 days increased indacaterol Cmax by 1.2-fold and AUC by 1.4-fold. Ritonavir 300 mg twice daily for 7.5 days had no effect on the Cmax of indacaterol, but increased its AUC by 1.7-fold. Indacaterol oral inhalation powder has been evaluated in clinical trials for up to one year at doses up to 600 mcg. No dosage adjustment is necessary at the 75 mcg dose when used with CYP450 3A4 and P-glycoprotein inhibitors.

References (1)
  1. (2011) "Product Information. Arcapta Neohaler (indacaterol)." Novartis Pharmaceuticals

Drug and food interactions

Major

futibatinib food

Applies to: Lytgobi (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

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