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US FDA’s Search For Class-Wide Vaccine Blood-Clot Effect Makes Scientific Sense, But Raises Questions

 
• By Derrick Gingery

Several adenovirus vaccine developers say the products cannot be compared, potentially complicating the US FDA and CDC’s decision on ending the recommended pause in the use of Janssen’s vaccine.

Box of AstraZeneca COVID-19 vaccine
The US FDA could use data on the AstraZeneca COVID-19 vaccine to inform its review of rare blood clots seen with the Janssen vaccine. • Source: Alamy

The US Food and Drug Administration likely is using safety evidence from one or more unapproved products to inform its response to the rare blood clots seen with Janssen Biotech Inc.'s coronavirus vaccine, a move that could complicate lifting the recommended pause in administration that some argue already is too long.

The Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices (ACIP) is expected to receive additional data during...

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More from Vaccines

Prasad 2.0 Brings New Instability Concerns, Questions About Changed Regulatory Philosophy

 
• By Sarah Karlin-Smith

Many agency stakeholders believe Vinay Prasad may be forced to change his regulatory approach at least somewhat after receiving a second chance to lead the US FDA's biologics center.

HHS mRNA Vaccine Funding Cut Impact Limited (And One Contract Isn’t Even mRNA)

 
• By Alaric DeArment

HHS' culling of mRNA vaccine projects under BARDA will heavily impact pandemic preparedness. Tiba Biotech was even “caught off guard” by its inclusion, because its project was neither a vaccine nor mRNA-based.

Vaccine Developers To Benefit From CEPI’s ‘World First’ Adjuvant ‘Matchmaking’ Service

 
• By Eliza Slawther

Selected vaccine developers will soon be able to use a new adjuvant “matchmaking” initiative that could help create more “effective, potent” vaccines against epidemic and pandemic threats, the Coalition for Epidemic Preparedness Innovations has said.

Double Duty At US FDA: Tidmarsh Will Temporarily Lead Both CDER And CBER

 
• By Sarah Karlin-Smith

Just a week and a half into his tenure at the agency, the new CDER Director George Tidmarsh was also tapped to serve as acting head of CBER. Prasad’s swift ouster at CBER may point to a softening in cell and gene therapy regulation but could also portend even more scrutiny on vaccines.

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US Pricing Reform: New Products Offer ‘On Ramp’ To Implementation, Lilly’s Ricks Says

 
• By Cathy Kelly

Eli Lilly's CEO argued that pricing reforms aimed at existing drugs would be “hard to sustain or justify,” while other companies suggested a growing interest in direct-to-consumer sales programs.

New US FDA CDER Director Pledges No Politics In Approvals, Adds Higher Ups Can Overturn

 
• By Sarah Karlin-Smith

New CDER Director George Tidmarsh promised to keep politics out of drug approvals, but suggested during a meeting with staff that he could not insulate the drug center from political pressures coming from those above him.

EU Must Up Competitiveness To Counter US Tariffs And Pricing Woes For SMEs

 
• By Francesca Bruce

Companies in Europe cannot delay business decision making much longer to wait for more certainty on major US policy shifts on tariffs and pricing.