Factor IX
Also known as: Christmas Factor
Factor IX used to treat bleeding problems in patients with haemophilia type B.
Primary Characteristics
Factor IX is also known as Christmas Factor.
It is of Natural origin and belongs to Antihaemophillic factor B.
Molecular Weight: 70000 · pKa: 4.30-4.45 · Solubility in Water: readly · Solubility in Alcohol: insoluble · Non-proprietary name: Factor IX · pH: 6.5 · Isotonic value: 240.

Pharmacokinetics
Distribution: Factor IX has a volume of distribution is 184 ml/kg.
Elimination: plasma half-life is 33 hr.
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Indications
Factor IX is primarily indicated in conditions like Blood disorders, Haemophilia.
Contraindications
Factor IX is contraindicated in conditions like Hypersensitivity to any component of product.
Dosage
Factor IX's dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 0 – 0 | — | — | IV | Infuse at a rate not exceeding 2 mL/minute.(225 units/min~2mL/min |
| 30 IU/kg | 30 IU/kg | — | IV | Every 3 or 4 days |
| Paediatric Dosage (20kg) | ||||
| No data. | ||||
| Neonatal Dosage (3kg) | ||||
| No data. | ||||
Drug Interactions
None recorded.
Side Effects
Factor IX in overdosage may give rise to further complications which include Urticaria , Hepatitis , HIV vieus transmission.
Factor IX produces potentially life-threatening effects which include Myocardial infarction, Pulmonary embolism, Disseminated intravascular coagulation, deep vein thrombosis. Careful monitoring is needed with proper medical management.
The signs and symptoms that are produced after acute overdosage of Factor IX are Hemorrhage , Venous thromboembolism, Myocardial infarction.
Factor IX is known to cause more or less tolerable side effects which are usually transient. These include Chills, Fever, Flushing, Headache, Nausea and vomiting, Unpleasant taste.
Warnings / Precautions
Interference in Pathology
Factor IX may interfere in the diagnosis of Increased Alkaline Phosphatase Levels, Elevation in ALT or AST.
Available Brands
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Single Ingredient
Storage Conditions
Drug Classification
- 1.11.2 — Plasma fractions for specific use
Manufacturers
Manufacturers of Factor IX in Pakistan: