What is the biosimilar for Neupogen?
Zarxio (filgrastim-sndz) and Nivestym (filsgrastim-aafi) are biosimilars to Neupogen and approved for most indications as Neupogen. The FDA defines biosimilar as a biological product that is highly similar to and has no clinically meaningful differences from an existing FDA-approved reference product (1-5).
What is the biosimilar for filgrastim?
On March 6, 2015, the Food and Drug Administration (FDA) approved the first biosimilar product: filgrastim-sndz (Zarxio), a biosimilar for the originator drug filgrastim (Neupogen), a granulocyte colony stimulating factor used to prevent and treat neutropenia and subsequent infections.

Can you substitute Zarxio for Neupogen?
Yes. Zarxio can be used for the same indications as Neupogen.
Has the FDA approved an interchangeable biosimilar?
FDA Approves Cyltezo, the First Interchangeable Biosimilar to Humira.
What is biosimilar market?

The biosimilar market reached a value of US$ 13.0 Billion in 2021. This market is currently being driven by a number of factors such as patent expires of blockbuster biological drugs, lower prices, rising prevalence of chronic diseases, and cost-saving initiatives from governments and third-party payers.
What was the first FDA biosimilar?
Filgrastim-sndz is the first biosimilar drug approved by the FDA for use in the United States.
What is a biosimilar agent?
A biosimilar drug has a structure that is highly similar to, but not exactly the same, as a brand name biologic drug. A biosimilar behaves in much the same way so that there are “no meaningful differences” between it and its brand name biologic.
Is Tbo filgrastim a biosimilar?
Background: In 2008, tbo-filgrastim was approved as a biosimilar in Europe and then approved in the United States by the FDA in 2012 as a biologic product with 1 similar indication to filgrastim.
Is Zarxio a biosimilar?
The FDA approved filgrastim-sndz (Zarxio, Sandoz, Inc.), the first biosimilar product available in the United States, in March 2015. Zarxio has the same mechanism of action, route of administration, strength, and dosage form as Amgen’s Neupogen.
Is Neulasta a biosimilar?
The US Food and Drug Administration (FDA) has approved Udencya as a biosimilar of Neulasta, which means it is “highly similar to, and has no clinically meaningful differences from” Neulasta – it is just as safe and effective and used in the same way. A biosimilar product is like a generic version of a traditional drug.
Are biosimilars substitutable?
An interchangeable biosimilar product may be substituted without the intervention of the health care professional who prescribed the reference product, much like how generic drugs are routinely substituted for brand name drugs. This is commonly called pharmacy-level substitution and is subject to state pharmacy laws.