FDA approves interchangeability of Formycon and Fresenius Kabi Stelara copy

19 May 2025

Formycon (FSE: FYB) and its commercialization partner Fresenius Kabi (ETR: FRE) have announced that the US Food and Drug Administration (FDA) has designated FYB202/Otulfi (ustekinumab-aauz) as interchangeable with Johnson & Johnson’s (NYSE: JNJ) reference biologic Stelara (ustekinumab).

As of now, Otulfi is interchangeable in all presentations matching the reference product.

It was initially approved by the FDA in September 2024 for the treatment of the same conditions as Stelara, namely moderate to severe plaque psoriasis, psoriatic arthritis, Crohn's disease and ulcerative colitis.

This article is accessible to registered users, to continue reading please register for free.  A free trial will give you access to exclusive features, interviews, round-ups and commentary from the sharpest minds in the pharmaceutical and biotechnology space for a week. If you are already a registered user please login. If your trial has come to an end, you can subscribe here.

Login to your account

Become a subscriber

 

£820

Or £77 per month

Subscribe Now
  • Unfettered access to industry-leading news, commentary and analysis in pharma and biotech.
  • Updates from clinical trials, conferences, M&A, licensing, financing, regulation, patents & legal, executive appointments, commercial strategy and financial results.
  • Daily roundup of key events in pharma and biotech.
  • Monthly in-depth briefings on Boardroom appointments and M&A news.
  • Choose from a cost-effective annual package or a flexible monthly subscription
The Pharma Letter is an extremely useful and valuable Life Sciences service that brings together a daily update on performance people and products. It’s part of the key information for keeping me informed

Chairman, Sanofi Aventis UK



Companies featured in this story

More ones to watch >


Today's issue

Company Spotlight





More Features in Biosimilars