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Drug Interactions between sonidegib and trofinetide

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

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Interactions between your drugs

Moderate

sonidegib trofinetide

Applies to: sonidegib and trofinetide

MONITOR: Coadministration with trofinetide may increase the plasma concentrations of drugs that are substrates of CYP450 3A4 via inhibition of the isoenzyme. Based on pharmacokinetic modeling, concomitant use of trofinetide and oral midazolam, a sensitive CYP450 3A4 substrate, is predicted to increase midazolam systemic exposure (AUC) by approximately 1.33-fold. Clinical data are currently lacking.

MANAGEMENT: Caution is advised if trofinetide is coadministered with CYP450 3A4 substrates, particularly sensitive substrates or those with a narrow therapeutic range. If concomitant use is required, clinical and laboratory monitoring may be appropriate whenever trofinetide is added to or withdrawn from therapy. The prescribing information for concomitant medications should be consulted to assess the benefits versus risks of coadministration and for any dosage adjustments that may be required.

References (1)
  1. (2023) "Product Information. Daybue (trofinetide)." Acadia Pharmaceuticals

Drug and food interactions

Moderate

sonidegib food

Applies to: sonidegib

ADJUST DOSING INTERVAL: Food significantly increases the oral bioavailability of sonidegib. According to the product labeling, administration of sonidegib with a high-fat meal (approximately 1000 calories; 50% from fat) increased mean sonidegib peak plasma concentration (Cmax) and systemic exposure (AUC) by 7.4- to 7.8-fold.

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of sonidegib. 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 sonidegib may increase the risk of adverse effects such as musculoskeletal toxicity, fatigue, nausea, vomiting, diarrhea, anorexia, weight loss, alopecia, pruritus, and dysgeusia.

MANAGEMENT: Sonidegib should be administered on an empty stomach, at least 1 hour before or 2 hours after a meal. Patients should avoid consumption of grapefruit or grapefruit juice during treatment with sonidegib.

References (1)
  1. (2015) "Product Information. Odomzo (sonidegib)." Novartis Pharmaceuticals

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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