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

The vials are stable for up to 3 days at 25°C.

When protected from light, the vials are stable up to 21 days at 25°C.

The vials are stable for up to 3 days at –20°C ± 5°C.

The product can be returned to the fridge and no change in expiry dates is required if exposed to the above conditions.

Contact GSK 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

In the event of an inadvertent temperature excursion the following data may be used:
A single Benlysta pre-filled syringe or pen can be stored at temperatures up to a maximum of 25°C for a period of up to 12 hours.
Contact GlaxoSmithKline UK in cases where additional stability data is required. Refer to the current BNF for company contact details.
Please also refer to the manufacturer’s product literature for recommended storage information at https://www.medicines.org.uk