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Drug Interactions between abametapir topical and Aspruzyo Sprinkle

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

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Interactions between your drugs

Moderate

ranolazine abametapir topical

Applies to: Aspruzyo Sprinkle (ranolazine) and abametapir topical

GENERALLY AVOID: Based on in vitro inhibition data, a single topical application of abametapir lotion may increase plasma concentrations of drugs that are substrates of CYP450 3A4, CYP450 2B6, and CYP450 1A2 isoenzymes and increase their systemic concentrations. The proposed mechanism is high and prolonged systemic exposure to the metabolite abametapir carboxyl, which has been shown to be an in vitro inhibitor of CYP450 3A4, CYP450 2B6, and CYP450 1A2. The mean half-life of abametapir carboxyl in adults is estimated to be 71 hours or longer.

MANAGEMENT: Use of CYP450 3A4, CYP450 2B6, and CYP450 1A2 substrates should generally be avoided within 2 weeks after topical application of abametapir lotion. If this is not feasible, the manufacturer recommends avoiding use of abametapir lotion. If abametapir is used, monitor for increased toxicity of the CYP450 3A4, CYP450 2B6, and/or CYP450 1A2 substrate.

References (2)
  1. (2020) "Product Information. Xeglyze (abametapir topical)." Dr. Reddy's Laboratories Inc
  2. (2024) "Product Information. Zunveyl (benzgalantamine)." Alpha Cognition, Inc., SUPPL-1

Drug and food interactions

Major

ranolazine food

Applies to: Aspruzyo Sprinkle (ranolazine)

GENERALLY AVOID: Grapefruit and grapefruit juice may significantly increase the plasma concentrations of orally administered ranolazine. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. Because ranolazine prolongs QT interval in a dose-dependent manner, high plasma levels of ranolazine may increase the risk of ventricular arrhythmias such as ventricular tachycardia, ventricular fibrillation, and torsade de pointes.

MANAGEMENT: Patients treated with ranolazine should avoid consumption of grapefruit juice and other grapefruit products if possible. Otherwise, the dosage of ranolazine should be limited to 500 mg twice a day.

References (1)
  1. (2006) "Product Information. Ranexa (ranolazine)." Calmoseptine 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.

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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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