Drug interactions
Eptacog alfa + Eptacog beta
Severity: Major
Eptacog alfa and Eptacog beta: major interaction.
Last updated Sources: UK SmPC
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both are recombinant activated factor VII products with the same pharmacologic action. Giving them together offers no benefit and increases the risk of thromboembolic events.
What this interaction means in plain words
Eptacog alfa and Eptacog beta can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Eptacog alfa belongs to Cardiovascular; Eptacog beta belongs to Cardiovascular.
Why it happens
Duplicate recombinant factor VIIa activity produces additive procoagulant effect.
What to do
Do not use both products together; use a single rFVIIa product at the labeled dose.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
- CEVENFACTA 1 mg (45 KIU) powder and solvent for solution for injection - SmPC sections 4.3/4.5 (names the partner; "k of thrombotic events when used simultaneously with activated prothrombin complex concentrates (see section 4.4). Based on a non-clinical study with eptacog al") — electronic medicines compendium (UK SmPC)
Frequently asked questions
Can I take Eptacog alfa with Eptacog beta?
MediHelp rates the interaction as major. Eptacog alfa and Eptacog beta can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both are recombinant activated factor VII products with the same pharmacologic action. Giving them together offers no benefit and increases the risk of thromboembolic events.
How serious is the interaction between Eptacog alfa and Eptacog beta?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not use both products together; use a single rFVIIa product at the labeled dose.
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