Answer
Unopened Nivestim (filgrastim) 12 MU/0.2 ml pre-filled syringes have a shelf life of 30 months.
Sources for this answer
- Nivestim 12 MU/ 0.2 ml solution for injection/infusionPfizer Limited · emc · SmPC §6.3 Shelf life · Version 23Document updated
Sources checked