The US Food and Drug Administration asked COVID-19 vaccine manufacturers to develop modified bivalent vaccines that add an Omicron BA.4/BA.5 spike component to the current vaccine composition for use as booster shots as early as fall 2022. The agency plans to stick with the prototype COVID vaccines as the primary series for now.
US FDA Appears To Quickly Renege On Next-Gen COVID Vaccine Guidance With Updated Booster Announcement
After issuing guidance and making public statements saying the first updated COVID-19 vaccines would require clinical trial data, agency picks new vaccine composition that will make obtaining such data highly unlikely before a planned fall booster campaign.

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Former Acting FDA Commissioner Sara Brenner is said to have asked Tracy Beth Høeg, new special assistant to the commissioner, to help reexamine the application. Høeg’s position at the agency is raising concerns about the FDA's ongoing approach to vaccine regulation.
FDA Commissioner Martin Makary was sworn in Friday and knew of the plan that ultimately lead to CBER director Peter Marks' resignation on 28 March.
In his resignation letter, the CBER director said he was willing to work with HHS Secretary Robert F. Kennedy Jr. to address concerns about vaccine safety, but "it has become clear that truth and transparency are not desired by the secretary."
Sanofi’s Dupixent, Amgen’s Uplizna, and Bristol’s Opdivo seek new indications, while J&J hopes to start a franchise with nipocalimab and Stealth’s day of reckoning approaches.
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While the pharma industry appears to be exempt from US tariffs imposed by President Trump, a member of the UK House of Lords says the details are unknown and warned that uncertainty “leads to less investment” in business as a whole.
The EU Clinical Trials Information System has achieved primary registry designation in the International Clinical Trials Registry Platform in a move that is expected to reduce regulatory burden for companies and help them lower compliance costs by aligning with publication requirements in medical journals.
The UK government has listened to industry concerns about high clawback rates under the voluntary scheme and will review it in June in a bid to resolve the issue and “move on to bigger and more important things,” health secretary Wes Streeting says.