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Drug Interactions between adenovirus vaccine and bexarotene

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

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Interactions between your drugs

Moderate

bexarotene adenovirus vaccine, live

Applies to: bexarotene and adenovirus vaccine

MONITOR: There are no data regarding the use of live, unattenuated Adenovirus Type 4 and Type 7 vaccine during treatment with immunosuppressive therapies, including alkylating agents, antimetabolites, radiation, some antirheumatic agents, high dosages of corticosteroids or adrenocorticotropic agents, and long-term topical or inhaled corticosteroids. It is not known whether immunosuppressed patients may have an increased risk of adverse reactions or a decreased or suboptimal immunologic response to the vaccine.

MANAGEMENT: The safety and efficacy of live, unattenuated Adenovirus Type 4 and Type 7 vaccine have not been established in patients receiving immunosuppressive therapies. Caution is advised.

References (1)
  1. (2016) "Product Information. Adenovirus Vaccine Type 4 and Type 7 (adenovirus vaccine, live)." Teva Pharmaceuticals USA

Drug and food interactions

Moderate

bexarotene food

Applies to: bexarotene

ADJUST DOSING INTERVAL: Food may enhance the oral bioavailability of bexarotene. In one clinical study, bexarotene peak plasma concentration (Cmax) and systemic exposure (AUC) resulting from a 75 to 300 mg dose were 35% and 48% higher, respectively, when administered after a fat-containing meal relative to a glucose solution. In all clinical trials, patients were instructed to take bexarotene with or immediately following a meal.

Coadministration with inhibitors of CYP450 3A4 such as grapefruit juice may theoretically increase the plasma concentrations of bexarotene. In vitro studies suggest that bexarotene is metabolized by CYP450 3A4. However, concomitant administration with multiple doses of ketoconazole, a potent CYP450 3A4 inhibitor, did not alter bexarotene plasma concentrations, which would imply that bexarotene elimination is not substantially dependent on CYP450 3A4 metabolism in vivo.

MANAGEMENT: Because safety and efficacy data are based upon administration with food, bexarotene should be administered once daily with a meal. Patients may want to avoid consuming large amounts of grapefruit or grapefruit juice.

References (2)
  1. (2001) "Product Information. Targretin (bexarotene)." Ligand Pharmaceuticals
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

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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