Balfaxar

Generic name: Prothrombin Complex Concentrate, Human-lans
Dosage form: lyophilized powder for solution, for intravenous use
Drug class: Anticoagulant reversal agents

Usage of Balfaxar

Balfaxar is used to reverse the effect of blood-thinning medicines like Warfarin in adult patients who need urgent surgery or procedures to reduce the risk of bleeding. Balfaxar works to restore blood coagulation by increasing blood clotting factors that become low when taking warfarin tablets.

Balfaxar is a non-activated four factor prothrombin complex concentrate (4F-PCC). Balfaxar contains vitamin K-Dependent factors Factor II (prothrombin), Factor VII, Factor IX and Factor X, as well as antithrombotic Proteins C and S.

The generic name for Balfaxar is prothrombin complex concentrate, human-lans.

Warfarin and other vitamin K antagonists are prescribed to prevent blood clots in patients who have had a heart attack, heart valve surgery, stroke, deep vein thrombosis/pulmonary embolism, or for certain types of irregular heartbeat (atrial fibrillation). Patients on warfarin or vitamin K antagonists have an increased risk of bleeding if they need to have urgent surgery or invasive procedures. Balfaxar (prothrombin complex concentrate, human-lans) is able to quickly restore coagulation, to reduce the risk of bleeding.

Balfaxar side effects

Get emergency medical help if you have signs of an allergic Reaction to Balfaxar: hives, rash; nausea, vomiting, feeling light-headed; fast heartbeats; chest tightness, wheezing, difficulty breathing; swelling of your face, lips, tongue, or throat.

Balfaxar side effects may include:

low red blood cells (anemia) - pale skin, unusual tiredness, feeling light-headed or short of breath, cold hands and feet;

stomach pain

weakness or lack of energy

infusion site reaction

complications of stitches and wound healing

pain during the procedure

vomiting during procedure

painful urination

Before taking Balfaxar

You should not take this medicine if you are

allergic to prothrombin complex concentrate, human-lans, or any of the components of the product.

have a known allergy to Heparin or a history of heparin-induced thrombocytopenia (HIT).

IgA deficient patients with known antibodies against IgA.

Pregnancy

It is not known whether this medicine can harm an unborn baby. Tell your doctor if you are pregnant or planning a pregnancy.

Breastfeeding

It is not known if this medicine passes into breast milk or what effect it may have on milk production or on the breastfeeding infant.

Relate drugs

How to use Balfaxar

Balfaxar dose is based on body weight and pre-treatment INR.

Usual Balfaxar Adult Dose for Reversal of Acquired Coagulation Factor Deficiency:

INR 2 to less than 4: 25 units of Factor IX/kg body weight given intravenously INR 4 to 6: 35 units of Factor IX/kg body weight given intravenously INR greater than 6: 50 units of Factor IX/kg body weight given intravenously Maximum dose: INR 2 to less than 4: 2500 units of Factor IX INR 4 to 6: 3500 units of Factor IX INR greater than 6: 5000 units of Factor IX

Duration of therapy:

Single dose. Repeat dosing is not supported by clinical data and is not recommended.

Comments:

Dosing is based on body weight up to but not exceeding 100 kg. For patients weighing more than 100 kg, the maximum dose should not be exceeded. The dose based on actual potency is stated on the vial, which will vary from 20-32 Factor IX units/mL after reconstitution.The actual potency for a 500 unit vial ranges from 400-640 units/vial. The actual potency for a 1000 unit vial ranges from 800-1280 units/vial.

Warnings

Both fatal and non-fatal arterial and venous thromboembolic complications have been reported with this medicine in clinical trials and post-marketing surveillance. Patients receiving this medicine should be monitored for signs and symptoms of thromboembolic events.

Restarting anticoagulation medicines should be carefully considered as soon as the risk of thromboembolic events outweighs the risk of acute bleeding.

This medicine may not be suitable for patients who have had thromboembolic events in the previous 3 months.

This medicine is made from human plasma; therefore, may carry the risk of transmitting infectious agents, e.g., viruses, the variant Creutzfeldt-Jakob disease (vCJD) agent, and theoretically, the Creutzfeldt-Jakob disease (CJD) agent.

What other drugs will affect Balfaxar

Other drugs may interact with the prothrombin complex, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

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