XYNTHA Antihemophilic Factor (Recombinant) should be stored under refrigeration at a temperature of 2° to 8°C. XYNTHA vial may also be stored at room temperature not to exceed 25°C for up to 3 months. The diluent syringe should be stored at 2° to 25°C and should not be used subsequent to expiration of the XYNTHA drug product. The patient should write in the space provided on the outer carton the date the product was placed at room temperature. After room temperature storage, the product can be returned to refrigerated storage until the expiration date. Do not store XYNTHA vial at room temperature and return it to refrigerated storage more than once.
Product after reconstitution: The reconstituted solution may be stored at room temperature prior to administration. The product does not contain a preservative and should be used within 3 hours.