long-acting insulin substitutes." Last November, Novo Nordisk announced it would stop selling the injectable FlexPen version of Levemir this month and halt sales of Levemir vials by December 2024.

Two prefilled, disposable insulin pen devices were used: InnoLet and FlexPen (Novo Nordisk). Because the hospital has one preferred formulary manufacturer for insulin analogues, orders from ...

Since their introduction in 1985, insulin pens have become increasingly sophisticated. Pens are available in 2 different forms, with either replaceable cartridges or disposable prefilled cartridges.