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Drug Interactions between Biktarvy and Zepatier

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

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Interactions between your drugs

No interactions were found between Biktarvy and Zepatier. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

Biktarvy

A total of 423 drugs are known to interact with Biktarvy.

Zepatier

A total of 226 drugs are known to interact with Zepatier.

Drug and food interactions

Minor

tenofovir food

Applies to: Biktarvy (bictegravir / emtricitabine / tenofovir alafenamide)

Food enhances the oral absorption and bioavailability of tenofovir, the active entity of tenofovir disoproxil fumarate. According to the product labeling, administration of the drug following a high-fat meal increased the mean peak plasma concentration (Cmax) and area under the concentration-time curve (AUC) of tenofovir by approximately 14% and 40%, respectively, compared to administration in the fasting state. However, administration with a light meal did not significantly affect the pharmacokinetics of tenofovir compared to administration in the fasting state. Food delays the time to reach tenofovir Cmax by approximately 1 hour. Tenofovir disoproxil fumarate may be administered without regard to meals.

References

  1. (2001) "Product Information. Viread (tenofovir)." Gilead Sciences

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Minor

grazoprevir food

Applies to: Zepatier (elbasvir / grazoprevir)

Food does not appear to have clinically significant effects on the pharmacokinetics of elbasvir and grazoprevir. When a single 50 mg-100 mg dose of elbasvir-grazoprevir was administered to healthy study subjects with a high-fat meal (900 kcal; 500 kcal from fat), elbasvir peak plasma concentration (Cmax) and systemic exposure (AUC) decreased by 15% and 11%, respectively, while grazoprevir Cmax and AUC increased by 2.8- and 1.5-fold, respectively, compared to administration under fasting conditions. According to the product labeling, elbasvir-grazoprevir may be administered with or without food.

References

  1. (2016) "Product Information. Zepatier (elbasvir-grazoprevir)." Merck & Co., Inc

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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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