The changing biosimilar landscape appears to be delaying US Food and Drug Administration policies that ideally would help boost the sector.
US FDA Forced To Rip Up, Start Biosimilar First Interchangeable Exclusivity Guidance Again
New legal issues in the biosimilar space continue to slow guidance development as industry pushes for more agency transparency on its thinking.

More from Biosimilars
The development could highlight the power of competitive market forces over government price controls or suggest Medicare price negotiation is enhancing competitive market forces.
Roche is in the crosshairs of the Belgian Competition Authority for allegedly delaying the entry of rituximab and trastuzumab biosimilars between 2017 and 2020, after the BCA sent the firm a statement of objections over “exclusionary practices.”
Two recent disclosures from Xbrane Biopharma and Formycon demonstrate the evolving US Food and Drug Administration thinking about the need for Phase III trials to support biosimilar filings.
Regulatory authorities from multiple regions are considering extending a pilot project related to collaborative assessments of post-approval chemistry, manufacturing and controls changes, with a focus on the supply of critical medicines.
More from Legal & IP
President Trump’s CDC director nominee was pulled after vaccine positions appeared too extreme for some Republicans, but the nominations to lead the FDA and NIH advanced to the Senate floor despite last-minute drama.
Health and Human Services Secretary Robert F. Kennedy Jr. is moving FDA Chief Counsel Robert Foster to a new senior position as Chief Counsel for Food, Research, and Drugs at HHS. Hilary Perkins will become FDA chief counsel.
A lengthy notice-and-comment rulemaking process is not congruent with the congressional mandate to keep an up-to-date list of drugs in short supply, US judge said, denying compounders' request to stay removal of the GLP-1 tirzepatide from the shortage list.