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Drug Interactions between DurAct and valoctocogene roxaparvovec

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

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Interactions between your drugs

Moderate

bromfenac valoctocogene roxaparvovec

Applies to: DurAct (bromfenac) and valoctocogene roxaparvovec

MONITOR: Coadministration with other hepatotoxic agents may increase the risk of liver injury and decrease the therapeutic efficacy of valoctocogene roxaparvovec, a liver-directed adeno-associated virus (AAV) vector designed to help replace missing coagulation factor VIII. Most of the patients treated with valoctocogene roxaparvovec in clinical studies experienced ALT elevations, presumably due to immune-mediated injury of transduced hepatocytes, which may decrease the therapeutic efficacy of valoctocogene roxaparvovec. In a clinical trial of adults with severe hemophilia (n=134) receiving a single dose of valoctocogene roxaparvovec (6 x 10[13] vector genomes [vg]/kg), 107 patients (96%) experienced increased ALT levels greater than or equal to 1.5 times baseline or greater than the upper limit of normal (ULN), while 12 patients (9%) experienced increased ALT levels greater than 5 to 20 times ULN. Some of the ALT elevations were associated with decreased factor VIII activity. Most patients treated with valoctocogene roxaparvovec required immunosuppressive medications, including corticosteroids, to control elevations in transaminases and prevent loss of transgene expression.

MANAGEMENT: The risk of additive hepatotoxicity and decreased therapeutic efficacy of valoctocogene roxaparvovec should be considered after coadministration with other hepatotoxic agents. Alternative treatment may be required if an interaction is suspected. Monitoring of ALT and factor VIII activity levels (e.g., weekly to every 2 weeks for the first month) is recommended when a new medication is started following valoctocogene roxaparvovec administration.

References

  1. (2023) "Product Information. Roctavian (valoctocogene roxaparvovec)." BioMarin Pharmaceutical Inc

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Drug and food interactions

Moderate

bromfenac food

Applies to: DurAct (bromfenac)

ADJUST DOSE: In-vivo studies have demonstrated that the absorption of bromfenac is greatly reduced if the drug is taken within three and one-half hours following a high fat meal. The concomitant administration of a high fat meal has led to a 75% reduction in peak plasma concentrations and a 60% reduction in total area under the curve. The mechanism has not been described.

MANAGEMENT: An increased dosage of bromfenac (from 25 to 50 mg) may be needed if a high fat meal is consumed. The clinician may want to warn the patient about subtherapeutic analgesic effects if high fat meals are regularly consumed.

References

  1. "Product Information. DurAct (bromfenac)." Wyeth-Ayerst Laboratories

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Moderate

valoctocogene roxaparvovec food

Applies to: valoctocogene roxaparvovec

GENERALLY AVOID: Coadministration with other hepatotoxic agents such as alcohol may increase the risk of liver injury and decrease the therapeutic efficacy of valoctocogene roxaparvovec, a liver-directed adeno-associated virus (AAV) vector designed to help replace missing coagulation factor VIII. Most of the patients treated with valoctocogene roxaparvovec in clinical studies experienced ALT elevations, presumably due to immune-mediated injury of transduced hepatocytes, which may decrease the therapeutic efficacy of valoctocogene roxaparvovec. In a clinical trial of adults with severe hemophilia (n=134) receiving a single dose of valoctocogene roxaparvovec (6 x 10[13] vector genomes [vg]/kg), 107 patients (96%) experienced increased ALT levels greater than or equal to 1.5 times baseline or greater than the upper limit of normal (ULN), while 12 patients (9%) experienced increased ALT levels greater than 5 to 20 times ULN. Some of the ALT elevations were associated with decreased factor VIII activity, and some were attributed to alcohol consumption. Most patients treated with valoctocogene roxaparvovec required immunosuppressive medications, including corticosteroids, to control elevations in transaminases and prevent loss of transgene expression.

MANAGEMENT: After administration of valoctocogene roxaparvovec, alcohol consumption should be avoided for at least 1 year and limited thereafter.

References

  1. (2023) "Product Information. Roctavian (valoctocogene roxaparvovec)." BioMarin Pharmaceutical 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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