Neupogen approval date?

When was Neupogen (filgrastim) approved?

Neupogen (filgrastim) was approved by the FDA on February 20, 1991. [1]

What does “approval date” mean for Neupogen?

This refers to the original FDA approval date for the drug product (filgrastim) as a manufacturing/label-approved therapy. [1]

Is Neupogen still the reference product?

Neupogen is the brand name for filgrastim, and it has had multiple later formulations and biosimilar competition in the filgrastim market, but the original FDA brand approval date remains February 20, 1991. [1]

Source

1. DrugPatentWatch.com – Neupogen approval date (February 20, 1991)