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Drug Interactions between suvorexant and tepotinib

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

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Interactions between your drugs

Moderate

suvorexant tepotinib

Applies to: suvorexant and tepotinib

MONITOR: Coadministration with inhibitors of CYP450 3A4 and/or P-glycoprotein (P-gp) may increase the plasma concentrations of tepotinib, which may increase the incidence and severity of adverse reactions such as interstitial lung disease/pneumonitis, hepatotoxicity, edema, nausea, vomiting, diarrhea, constipation, and musculoskeletal pain. Tepotinib is a substrate of both CYP450 3A4 isoenzyme and P-gp efflux transporter. However, the effect of CYP450 3A4 or P-gp inhibitors on tepotinib has not been studied clinically.

MANAGEMENT: Caution is advised when tepotinib is used with inhibitors of CYP450 3A4 and/or P-gp. Patients should be monitored for increased adverse effects, and the tepotinib dosage adjusted as necessary.

References (2)
  1. (2021) "Product Information. Tepmetko (tepotinib)." EMD Serono Inc
  2. (2022) "Product Information. Tepmetko (tepotinib)." Merck Healthcare Pty Ltd, A001-0122

Drug and food interactions

Moderate

suvorexant food

Applies to: suvorexant

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of suvorexant. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills. In addition, alcohol may increase the risk of cognitive and complex behavioral changes associated with the use of hypnotics including suvorexant, such as amnesia, anxiety, hallucinations, sleep-driving, and other neuropsychiatric symptoms.

ADJUST DOSE: Grapefruit juice may significantly increase the plasma concentrations of suvorexant. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit.

ADJUST DOSING INTERVAL: Administration with or soon after a meal may delay the gastrointestinal absorption of suvorexant. According to the product labeling, administration of suvorexant with a high-fat meal resulted in no meaningful change in peak plasma concentration (Cmax) or systemic exposure (AUC), but a delay in Tmax of approximately 1.5 hours.

MANAGEMENT: Concomitant use of suvorexant with alcohol should be avoided. Patients should be advised not to use suvorexant if they had alcohol that evening or before bed. Grapefruit juice should preferably be avoided; otherwise, the recommended dose of suvorexant is 5 mg when used with grapefruit juice and should not exceed 10 mg. Suvorexant may be taken with or without food; however, for faster sleep onset, suvorexant should not be administered with or soon after a meal.

References (1)
  1. (2014) "Product Information. Belsomra (suvorexant)." Merck & Co., Inc
Moderate

tepotinib food

Applies to: tepotinib

ADJUST DOSING INTERVAL: Food enhances the oral bioavailability of tepotinib. When tepotinib was administered after a high-fat, high-calorie meal (approximately 800 to 1000 calories; 150 calories from protein, 250 calories from carbohydrate, 500 to 600 calories from fat), tepotinib peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 2-fold and 1.6-fold, respectively, compared to administration under fasted conditions.

MANAGEMENT: Tepotinib should be administered with food at approximately the same time each day.

References (1)
  1. (2021) "Product Information. Tepmetko (tepotinib)." EMD Serono Inc

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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