Answer
An unopened vial of Blenrep (belantamab mafodotin) powder for concentrate for solution for infusion has a shelf life of 48 months.
Sources for this answer
- Blenrep 100mg & 70 mg powder for concentrate for solution for infusionGlaxoSmithKline UK · emc · SmPC §6.3 Shelf life · Version 2Document updated
Sources checked