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IV Infusion Alphanate IV Infusion

250 IU/vial
5 ml vial: ৳ 9,500.00

Indications

Alphanate, (antihemophilic factor/von Willebrand factor complex), is indicated for:
  • Control and prevention of bleeding episodes and perioperative management in adult and pediatric patients with Factor VIII(FVIII) deficiency due to hemophilia A.
  • Surgical and/or invasive procedures in adult and pediatric patients with von Willebrand Disease (VWD) in whom desmopressin (DDAVP) is either ineffective or contraindicated. It is not indicated for patients with severe VWD (Type 3) undergoing major surgery.

Therapeutic Class

Haemostatics

Pharmacology

Antihemophilic Factor/ Von Willebrand Factor Complex (Human) contains Antihemophilic Factor (FVIII) and von Willebrand Factor (VWF), constituents of normal plasma, which are required for clotting. The administration of Alphanate temporarily increases the plasma level of FVIII, thus minimizing the hazard of hemorrhage in patients with hemophilia A. FVIII is an essential cofactor in activation of factor X leading to formation of thrombin and fibrin. VWF promotes platelet aggregation and platelet adhesion on damaged vascular endothelium; it also serves as a stabilizing carrier protein for the procoagulant protein FVIII.

Dosage

Alphanate contains the labeled amount of Factor VIII expressed in International Units (IU) FVIII/vial and Willebrand.

Factor: Ristocetin Cofactor activity in IU VWF:RCo/vial.

Hemophilia A: Control and prevention of bleeding episodes
  • Dose (units) = body weight (kg) x desired FVIII rise (IU/dL or % of normal) x 0.5 (IU/kg per IU/dL)
  • Frequency of intravenous injection of the reconstituted product is determined by the type of bleeding episode and the recommendation of the treating physician
Von Willebrand Disease: Surgical and/or invasive procedure in adult and pediatric patients except Type 3 undergoing major surgery
  • Adults: Pre-operative dose of 60 IU VWF:RCo/kg body weight; subsequent doses of 40-60 IU VWF:RCo/kg/body weight at 8-12 hour intervals post-operative as clinically needed.
  • Pediatric: Pre-operative dose of 75 IU VWF:RCo/kg/body weight; subsequent doses of 50-75 IU VWF:RCo/kg body weight at 8-12 hour intervals post-operative as clinically needed.
  • Dosage based on protocol used in the Alphanate prospective clinical trial according to judgment of the investigator.
Pediatric Use-
  • Hemophilia A Indication: Clinical trials for safety and effectiveness in pediatric hemophilia A patients 16 years of age and younger have not been conducted.
  • VWD Indication: The hemostatic efficacy of Alphanate has been studied in 20 pediatric subjects with VWD 18 years of age and under. Based on the data from a subset of these subjects, age had no effect on the pharmacokinetics of VWF:RCo. There were no clinically important differences between pediatric patients and adults.
Geriatric Use: No human or animal data. Use only if clearly needed.

Administration

Alphanate is for intravenous use only after reconstitution. Use plastic disposable syringes. Do not refrigerate after reconstitution. Reconstituted Alphanate may be stored at room temperature (not to exceed 30° C) prior to administration, but administer intravenously within three hours.

Discard any unused contents into the appropriate safety container. Do not administer Alphanate at a rate exceeding 10 mL/minute.

Interaction

None known.

Contraindications

Alphanate is contraindicated in patients who have manifested life-threatening immediate hypersensitivity reactions, including anaphylaxis, to the product or its components.

Side Effects

The most frequent adverse events reported with Alphanate in >5% of patients are respiratory distress, pruritus, rash, urticaria, face
edema, paresthesia, pain, fever, chills, joint pain and fatigue

Pregnancy & Lactation

Pregnancy: No human or animal data. Use only if clearly needed

Labor and Delivery: No human or animal data. Use only if clearly needed

Nursing Mothers: No human or animal data. Use only if clearly needed

Precautions & Warnings

Risk of thromboembolic events & infections. Pregnancy.

Use in Special Populations

Pediatric Use: Clinical trials for safety and effectiveness in pediatric hemophilia A patients have not been conducted. The hemostatic efficacy of Alphanate has been studied in 20 pediatric subjects with VWD 18 years of age and under. Based on the data from a subset of these subjects, age had no effect on the pharmacokinetics of VWF:RCo

Geriatric Use: No human or animal data. Use only if clearly needed