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Drug Interactions between maribavir and vadadustat

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

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Interactions between your drugs

Minor

maribavir vadadustat

Applies to: maribavir and vadadustat

Coadministration with inhibitors of the isoenzyme CYP450 3A4 may increase the plasma concentrations and effects of maribavir, a CYP450 3A4 substrate. When a single 400 mg dose of maribavir was administered with a single 400 mg dose of ketoconazole, a potent CYP450 3A4 and P-glycoprotein (P-gp) inhibitor, mean maribavir peak plasma concentration (Cmax) and total systemic exposure (AUC) increased by 10% and 53%, respectively, in 19 study subjects. These changes are not considered clinically significant. No dosage adjustments are necessary when maribavir is prescribed with CYP450 3A4 inhibitors, but it may be advisable to monitor patients for maribavir-related adverse effects such as taste disturbances, nausea, diarrhea, vomiting, and fatigue.

References (3)
  1. (2024) "Product Information. Livtencity (maribavir)." Takeda Pharmaceuticals America
  2. (2024) "Product Information. Livtencity (maribavir)." Takeda Canada Inc
  3. (2024) "Product Information. Livtencity (maribavir)." Takeda Pharmaceuticals Australia Pty Ltd

Drug and food/lifestyle interactions

Moderate

vadadustat food/lifestyle

Applies to: vadadustat

MONITOR: Smoking and alcohol consumption during therapy with vadadustat may increase the risk of gastrointestinal erosions. Serious erosions, including gastrointestinal bleeding and the need for red blood cell transfusions, have been reported during vadadustat clinical trials. Patients with a history of gastrointestinal erosion, peptic ulcer disease, and current tobacco smokers and alcohol drinkers may be at higher risk of gastrointestinal injury.

MANAGEMENT: Caution is advised if vadadustat is prescribed to current tobacco smokers or alcohol drinkers. Patients should be advised to contact their physician if they develop potential signs and symptoms of gastrointestinal injury such as abdominal pain, hematemesis, trouble swallowing, chest or throat pain, and/or black, tarry stools.

References (3)
  1. (2023) "Product Information. Vafseo (vadadustat)." Adjutor Healthcare Pty Ltd
  2. (2024) "Product Information. Vafseo (vadadustat)." Akebia Therapeutics
  3. (2024) "Product Information. Vafseo (vadadustat)." Medice UK Ltd

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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