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Drug Interactions between Advil PM and alpelisib

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

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Interactions between your drugs

Moderate

ibuprofen alpelisib

Applies to: Advil PM (diphenhydramine / ibuprofen) and alpelisib

MONITOR: Coadministration with alpelisib may decrease the plasma concentrations and therapeutic effects of drugs that are substrates of CYP450 2C9, such as warfarin. The proposed mechanism, based on in vitro data, is increased clearance due to alpelisib-mediated induction of CYP450 2C9.

MANAGEMENT: Patient monitoring is recommended if alpelisib is used concomitantly with drugs that are substrates of CYP450 2C9, particularly those with a narrow therapeutic range. The potential for diminished therapeutic effects should be considered when alpelisib is prescribed in combination with drugs that are CYP450 2C9 substrates. Dosage adjustments as well as clinical and laboratory monitoring should be considered whenever alpelisib is added to or withdrawn from therapy with these drugs. An alternative agent with no or minimal CYP450 2C9-inducing activity may also be considered.

References

  1. (2019) "Product Information. Piqray (alpelisib)." Novartis Pharmaceuticals

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Drug and food interactions

Moderate

alpelisib food

Applies to: alpelisib

ADJUST DOSING INTERVAL: Food significantly enhances the oral absorption and bioavailability of alpelisib. When administered with a high-fat high-calorie meal (985 calories with 58.1 g of fat) or a low-fat low-calorie meal (334 calories with 8.7 g of fat) the AUC and Cmax of a single dose of alpelisib was increased by 73% and 84% and 77% and 145%, respectively. There were no clinically significant differences in alpelisib AUC between the two types of meals. In addition, food appears to have a more pronounced effect on the solubility of alpelisib than gastric pH. When coadministered with a single 300 mg dose of alpelisib, ranitidine decreased the absorption and overall exposure of alpelisib. Following administration of ranitidine with a low-fat low-calorie meal, the mean AUC and Cmax of alpelisib was decreased by 21% and 36%, respectively. Administration of ranitidine under fasting conditions reduced the mean AUC and Cmax of alpelisib by 30% and 51%, respectively.

MANAGEMENT: To ensure maximal oral absorption, alpelisib should be administered with a meal.

References

  1. (2019) "Product Information. Piqray (alpelisib)." Novartis Pharmaceuticals

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Moderate

ibuprofen food

Applies to: Advil PM (diphenhydramine / ibuprofen)

GENERALLY AVOID: The concurrent use of aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) and ethanol may lead to gastrointestinal (GI) blood loss. The mechanism may be due to a combined local effect as well as inhibition of prostaglandins leading to decreased integrity of the GI lining.

MANAGEMENT: Patients should be counseled on this potential interaction and advised to refrain from alcohol consumption while taking aspirin or NSAIDs.

References

  1. (2002) "Product Information. Motrin (ibuprofen)." Pharmacia and Upjohn

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Moderate

diphenhydrAMINE food

Applies to: Advil PM (diphenhydramine / ibuprofen)

GENERALLY AVOID: Use of anticholinergic agents with alcohol may result in sufficient impairment of attention so as to render driving and operating machinery more hazardous. In addition, the potential for abuse may be increased with the combination. The mechanism of interaction is not established but may involve additive depressant effects on the central nervous system. No effect of oral propantheline or atropine on blood alcohol levels was observed in healthy volunteers when administered before ingestion of a standard ethanol load. However, one study found impairment of attention in subjects given atropine 0.5 mg or glycopyrrolate 1 mg in combination with alcohol.

MANAGEMENT: Alcohol should generally be avoided during therapy with anticholinergic agents. Patients should be counseled to avoid activities requiring mental alertness until they know how these agents affect them.

References

  1. Linnoila M (1973) "Drug effects on psychomotor skills related to driving: interaction of atropine, glycopyrrhonium and alcohol." Eur J Clin Pharmacol, 6, p. 107-12

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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.

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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