Biosimilars: US FDA’s Updated Scientific Thinking Led To Interchangeability For Amgen's Wezlana

Pink Sheet’s Drug Review Profile explores Amgen’s Wezlana, an interchangeable biosimilar to Janssen’s Stelara. FDA determined late in the review that switching studies generally would not be needed for interchangeable ustekinumab products, prompting Amgen to seek the designation.

Drug Review Profile: Wezlana
Wezlana is approved for all the same indications as Stelara. • Source: Shutterstock

A change in the US Food and Drug Administration’s scientific thinking led Amgen, Inc. to request an interchangeability designation for Wezlana, a biosimilar of Janssen Biotech Inc.’s Stelara (ustekinumab), in the last month of the product’s regulatory review.

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