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Drug Interactions between pimavanserin and sotorasib

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

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Interactions between your drugs

Moderate

pimavanserin sotorasib

Applies to: pimavanserin and sotorasib

GENERALLY AVOID: Coadministration with potent or moderate inducers of CYP450 3A4 may decrease the plasma concentrations of pimavanserin, which is primarily metabolized by the isoenzyme. In a drug interaction study designed to measure pre- and post-pimavanserin levels following rifampin administration (a potent CYP450 3A4 inducer), Cmax and AUC were decreased by 71% and 91%, respectively, compared to pre-rifampin plasma concentrations. A physiologically based pharmacokinetic simulation with a moderate CYP450 3A4 inducer (efavirenz) predicted Cmax and AUC of pimavanserin will be decreased by approximately 60% and 70%, respectively.

MANAGEMENT: Coadministration of potent or moderate CYP450 3A4 inducers with pimavanserin should be avoided.

References (1)
  1. (2016) "Product Information. Nuplazid (pimavanserin)." Accelis Pharma

Drug and food interactions

Minor

sotorasib food

Applies to: sotorasib

Food does not appear to have a clinically significant effect on the oral bioavailability of sotorasib. When a 960 mg dose of sotorasib was administered to study patients with a high-fat, high-calorie meal (approximately 800 to 1000 calories; 150, 250, and 500 to 600 calories from protein, carbohydrate, and fat, respectively), sotorasib peak plasma concentration (Cmax) did not change while systemic exposure (AUC 0-24 hours) increased by 25% compared to administration under fasted conditions. Sotorasib can be administered with or without food at approximately the same time each day.

References (2)
  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2021) "Product Information. Lumakras (sotorasib)." Amgen USA

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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