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Drug Interactions between Aristospan Intralesional and Buphenyl

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

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Interactions between your drugs

Moderate

triamcinolone sodium phenylbutyrate

Applies to: Aristospan Intralesional (triamcinolone) and Buphenyl (sodium phenylbutyrate)

MONITOR: Drugs that can increase plasma ammonia levels such as corticosteroids, haloperidol, or the anticonvulsants carbamazepine, topiramate, and phenobarbital may interfere with the therapeutic effects of phenylbutyrate therapy in the management of urea cycle disorders. Corticosteroids can cause the breakdown of body protein, which may lead to increased ammonia levels. The use of haloperidol has been associated with hyperammonemia in a young child with citrullinemia, an inherited disorder of ammonia excretion. The mechanism for haloperidol, carbamazepine, topiramate, and phenobarbital has not been established.

MANAGEMENT: Plasma ammonia levels should be closely monitored when corticosteroids, haloperidol, carbamazepine, topiramate, or phenobarbital are used in patients with urea cycle disorders receiving phenylbutyrate therapy.

References

  1. "Product Information. Buphenyl (sodium phenylbutyrate)." Horizon Therapeutics USA Inc PROD (2001):
  2. Cerner Multum, Inc. "Australian Product Information." O 0
  3. "Product Information. Ravicti (glycerol phenylbutyrate)." Hyperion Therapeutics Inc (2013):

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Drug and food interactions

Moderate

sodium phenylbutyrate food

Applies to: Buphenyl (sodium phenylbutyrate)

ADJUST DOSING INTERVAL: Coadministration with a high-fat meal may reduce the rate and extent of absorption of sodium phenylbutyrate. When a single 3 g-1 g dose of sodium phenylbutyrate-taurursodiol (sodium phenylbutyrate-ursodoxicoltaurine) was administered to healthy volunteers in the presence of a high-fat, high-calorie meal (approximately 800 to 1000 calories; 500 to 600 calories from fat, 250 calories from carbohydrate, 150 calories from protein), sodium phenylbutyrate peak plasma concentration (Cmax) decreased by 75% and systemic exposure (AUC) decreased by 55%. The Cmax for taurursodiol was not significantly affected, but AUC was increased by 46%. The clinical significance of these changes has not been established. In premarketing studies, patients were advised to take the drug before a meal.

MANAGEMENT: The prescribing information recommends administration of sodium phenylbutyrate-taurursodiol before a meal or snack, particularly in patients of low body weight (less than 70 kg).

References

  1. "Product Information. Relyvrio (sodium phenylbutyrate-taurursodiol)." Amylyx Pharmaceuticals 1 (2022):
  2. "Product Information. Albrioza (sodium phenylbutyrate-ursodoxicoltaurine)." Innomar Strategies Inc. (2022):

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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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