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Drug Interactions between disulfiram and vadadustat

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

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Interactions between your drugs

Moderate

disulfiram vadadustat

Applies to: disulfiram and vadadustat

MONITOR: Coadministration with vadadustat may decrease the plasma concentrations and therapeutic efficacy of drugs that are substrates of the CYP450 2B6 isoenzyme. Vadadustat is an inducer CYP450 2B6 in vitro. However, clinical data are not available.

MANAGEMENT: Some authorities recommend using caution when vadadustat is used concomitantly with drugs that are substrates of CYP450 2B6, particularly sensitive substrates or those with a narrow therapeutic range. Monitoring for potential loss of therapeutic efficacy is recommended. The prescribing information for concomitant medications may be consulted to assess the benefits versus risks of coadministration, as well as any dosage adjustments that may be required during coadministration and/or following the discontinuation of a CYP450 2B6 inducer.

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

Drug and food interactions

Major

disulfiram food

Applies to: disulfiram

CONTRAINDICATED: Consumption of ethanol during treatment with disulfiram may cause flushing, nausea, blurred vision, dyspnea, tachypnea, tachycardia, and hypotension. Death has been reported. The mechanism is probably related to inhibition of aldehyde dehydrogenase, the enzyme responsible for the oxidation of acetaldehyde to acetyl CoA. Accumulation of acetaldehyde probably results.

MANAGEMENT: Ethanol should be avoided in patients receiving disulfiram.

References (3)
  1. Jones RO (1949) "Death following the ingestion of alcohol in an antabuse treated patient." Can Med Assoc J, 60, p. 609-12
  2. Stoll D, King LE (1980) "Disulfiram-alcohol skin reaction to beer-containing shampoo." JAMA, 244, p. 2045
  3. van Ieperen L (1984) "Sudden death during disulfiram-ethanol reaction." S Afr Med J, 66, p. 165
Moderate

vadadustat food

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.

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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