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Drug Interactions between cannabidiol and Nexium

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

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Interactions between your drugs

Minor

esomeprazole cannabidiol

Applies to: Nexium (esomeprazole) and cannabidiol

Cannabidiol is a substrate for CYP450 3A4 and CYP450 2C19. Cannabidiol is metabolized in the liver and the gut (primarily in the liver) by CYP450 2C19 and CYP450 3A4 enzymes, and UGT1A7, UGT1A9, and UGT2B7 isoforms. Coadministration of cannabidiol with itraconazole (a potent inhibitor of CYP450 3A4) increased cannabidiol exposure by less than 10%; exposure to fluconazole (a potent CYP450 2C19 inhibitor) was increased to less than 20%. Both values are not considered clinically meaningful.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2018) "Product Information. Epidiolex (cannabidiol)." Greenwich Biosciences LLC

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Drug and food interactions

Moderate

esomeprazole food

Applies to: Nexium (esomeprazole)

ADJUST DOSING INTERVAL: Food may interfere with the absorption of esomeprazole. The manufacturer reports that the area under the concentration-time curve for esomeprazole following a single 40 mg dose was 33% to 53% lower when administered after food intake as opposed to during fasting conditions.

MANAGEMENT: Esomeprazole should be taken at least one hour before meals. When administered to patients receiving continuous enteral nutrition, some experts recommend that the tube feeding should be interrupted for at least 1 hour before and 1 hour after the dose of esomeprazole is given.

References

  1. (2001) "Product Information. Nexium (esomeprazole)." Astra-Zeneca Pharmaceuticals
  2. Wohlt PD, Zheng L, Gunderson S, Balzar SA, Johnson BD, Fish JT (2009) "Recommendations for the use of medications with continuous enteral nutrition." Am J Health Syst Pharm, 66, p. 1438-67

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Moderate

cannabidiol food

Applies to: cannabidiol

ADJUST DOSING INTERVAL: Food may affect the plasma concentrations of cannabidiol. In healthy volunteers, administration of cannabidiol with a high-fat/high-calorie meal increased cannabidiol peak plasma concentration (Cmax) by 5-fold and systemic exposure (AUC) by 4-fold and reduced the total variability compared with administration in the fasted state.

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of cannabidiol. The proposed mechanism is inhibition of CYP450 3A4-mediated metabolism of cannabidiol by certain compounds present in grapefruit. The interaction has not been studied, but the product labeling for cannabidiol recommends consideration of a dosage reduction when used with strong or moderate inhibitors of CYP450 3A4. In general, the effect of grapefruit juice is concentration-, dose- and preparation-dependent, and can vary widely among brands. Certain preparations of grapefruit juice (e.g., high dose, double strength) have sometimes demonstrated potent inhibition of CYP450 3A4, while other preparations (e.g., low dose, single strength) have typically demonstrated moderate inhibition.

MANAGEMENT: Cannabidiol should be taken about the same time each day consistently either with or without food. Patients should limit the consumption of grapefruit and grapefruit juice. If they are coadministered, cannabidiol levels should be monitored and the dosage adjusted as necessary.

References

  1. (2018) "Product Information. Epidiolex (cannabidiol)." Greenwich Biosciences LLC

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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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