In the event of an inadvertent temperature excursion the following data may be used:

In-house temperature cycling stability data shows the product is stable for at least 36 months when it is exposed to three cycles of 25°C for 4 days, followed by 4 days at -20°C and then stored at 2-8°C.

Contact Pfizer in cases where additional stability data is required. Refer to the electronic medicines compendium (eMC) at https://www.medicines.org.uk for company contact details.