Answer
Store unopened Besremi (ropeginterferon alfa-2b) 250 micrograms/0.5 mL pre-filled pens in a refrigerator at 2–8 °C, do not freeze, and keep them in the outer carton to protect from light.
Sources for this answer
- Besremi 250 micrograms/0.5 mL solution for injection in pre-filled penAOP Orphan Ltd · emc · SmPC §6.4 Special precautions for storage · Version 10Document updated
Sources checked