Tagged as: natalizumab

Year in Review: Top Regulatory Developments of 2023

As we kick off 2024, we reflect on regulatory developments in the biologics and biosimilars space in 2023.  Below are some of the top regulatory developments from 2023. FDA Approvals In 2023, there were 23 FDA approvals of Biologic License Applications, including for Vertex’s CASGEVY and Bluebird’s LYFGENIA, the first…

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Biogen Seeks Preliminary Injunction in Natilizumab BPCIA Litigation – Hearing Scheduled for May 17

In October 2022, we reported that Biogen was seeking a preliminary injunction in its BPCIA case brought in the District of Delaware against Sandoz relating to Sandoz’s proposed multiple sclerosis biosimilar of TYSABRI (natalizumab). The parties completed their briefing on Biogen’s motion in April, and Judge Williams has scheduled a…

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Purple Book Updates

FDA’s Purple Book provides a searchable database of licensed biological products and includes the patent information provided to biosimilar applicants during the BPCIA patent dance.  Pursuant to a law enacted in late 2020, a reference product sponsor must provide patent information to FDA for listing in the Purple Book once…

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Biosimilar Clinical Trial Updates

Big Molecule Watch monitors for biosimilar clinical trial results. Here we report on four recent announcements concerning biosimilars of natalizumab, trastuzumab, daratumumab, and aflibercept. On January 23, 2023, researchers published the results of a phase III clinical trial demonstrating that PB006, Polpharma Biologics SA’s biosimilar to Biogen’s approved treatment TYSABRI®…

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Biogen Seeks a Preliminary Injunction in Natalizumab BPCIA Case Against Sandoz

Biogen seeks a preliminary injunction in its BPCIA case against Sandoz related to Sandoz’s proposed biosimilar of TYSABRI (natalizumab).  On October 20, 2022, the Court issued a sealed order on the parties’ joint stipulation and proposed schedule for a preliminary injunction motion.  A redacted version of the parties’ proposed schedule…

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Biogen Files Sealed Complaint Against Sandoz and Polpharma Biologics Regarding Natalizumab

On September 9, 2022, Biogen filed a complaint in the District of Delaware against Sandoz and Polpharma Biologics.  Biogen’s complaint is filed under seal.  Based on the list of 28 asserted patents, the case appears to be a BPCIA litigation related to Sandoz and Polpharma’s proposed natalizumab biosimilar.  The asserted…

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