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Drug Interactions between ATryn and defibrotide

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

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Interactions between your drugs

Major

defibrotide antithrombin recombinant

Applies to: defibrotide and ATryn (antithrombin (recombinant))

CONTRAINDICATED: Coadministration of defibrotide with anticoagulants may increase the risk of bleeding. In vitro, defibrotide increased the activity of fibrinolytic enzymes; therefore, it may enhance the pharmacologic effects of antithrombotic agents.

MANAGEMENT: Concomitant use of defibrotide with systemic anticoagulants (except for routine maintenance or reopening of central venous lines) is considered contraindicated. Anticoagulants should be discontinued prior to initiation of defibrotide. Preferably, defibrotide administration should be delayed until the effects of anticoagulant therapy have subsided. Some authorities recommend avoiding use of anticoagulants within 24 hours of defibrotide administration, or within 12 hours in the case of unfractionated heparin. Patients should be monitored for signs of bleeding during defibrotide therapy. If bleeding develops, defibrotide should be discontinued and treatment/supportive care provided until the bleeding stops.

References (2)
  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2016) "Product Information. Defitelio (defibrotide)." Jazz Pharmaceuticals

Drug and food interactions

No alcohol/food interactions were found. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

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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