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Drug Interactions between telotristat and Voquezna Dual Pak

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

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Interactions between your drugs

Moderate

telotristat ethyl vonoprazan

Applies to: telotristat and Voquezna Dual Pak (amoxicillin / vonoprazan)

GENERALLY AVOID: Coadministration with moderate inducers of CYP450 3A4 may significantly decrease the plasma concentrations of vonoprazan, which is metabolized by the isoenzyme. When coadministered with moderate CYP450 3A4 inducers, vonoprazan systemic exposure (AUC) is predicted to decrease by 50%. Reduced efficacy of vonoprazan may occur.

MANAGEMENT: According to the manufacturer, concomitant use of vonoprazan with moderate CYP450 3A4 inducers should be avoided.

References (2)
  1. (2022) "Product Information. Voquezna Dual Pak (amoxicillin-vonoprazan)." Phathom Pharmaceuticals, Inc
  2. (2022) "Product Information. Voquezna Triple Pak (amoxicillin/clarithromycin/vonoprazan)." Phathom Pharmaceuticals, Inc

Drug and food interactions

Moderate

telotristat ethyl food

Applies to: telotristat

ADJUST DOSING INTERVAL: Food increases the systemic exposure to both telotristat ethyl and its active metabolite, telotristat. Following administration of a single 500 mg dose of telotristat ethyl (twice the recommended dose) with a high-fat meal, telotristat ethyl peak plasma concentration (Cmax) and systemic exposure (AUC) were 112% and 264% higher, respectively, compared to administration under fasted conditions. The Cmax and AUC values for telotristat were also increased by 47% and 33%, respectively. The in vitro inhibitory potency of telotristat towards tryptophan hydroxylase has been shown to be approximately 29 times higher than that of the parent drug.

MANAGEMENT: Telotristat ethyl should be administered with food.

References (1)
  1. (2017) "Product Information. Xermelo (telotristat ethyl)." Lexicon Pharmaceuticals, 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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