FDA

FDA
Following the FDA’s refusal to review Moderna’s investigational mRNA flu vaccine last week, Commissioner Marty Makary faced questions from the U.S. president about the agency’s handling of vaccines. It’s a clear signal that the tension long brewing at the drug regulator has now gone all the way to the top.
FEATURED STORIES
The FDA’s refusal to review Moderna’s mRNA-based flu vaccine is “part of a disturbing pattern” of moving regulatory goalposts, according to Clay Alspach, executive director of the Alliance for mRNA Medicines. Meanwhile, streamlined communications with regulators in other countries pave the way for rapid uptake of novel modalities.
FDA
The FDA’s refusal to review Moderna’s mRNA-based flu vaccine is part of a larger communications crisis unfolding at the agency over the past nine months that has also ensnarled Sarepta, Capricor, uniQure and many more.
The FDA issued a rare Refusal-to-File letter to Moderna over its mRNA-based influenza vaccine application, in an unusual move that sent the biotech’s shares tumbling.
Subscribe to ClinicaSpace
Clinical trial results, research news, the latest in cancer and cell and gene therapy, in your inbox every Monday
THE LATEST
Johns Hopkins’ Thomas Hartung discusses how drug discovery and development will change under evolving regulatory policies that embrace AI technology as well as organoid and other non-animal models of human biology.
The FDA in October 2025 granted bitopertin its Commissioner’s National Priority Voucher but after a shortened review time has decided the data did not support regulatory approval for treating erythropoietic protoporphyria.
Richard Pazdur had spent 26 years at the FDA before stepping down last year due to disagreements with Commissioner Marty Makary about lowering the number of clinical trials required for a new drug application, Pazdur told the media.
Through its AI Consortium and global forums, DIA is translating high‑level AI guidance into concrete workflows that match oversight to risk, from low‑stakes automation to decision‑critical regulatory analyses.
Vinay Prasad, the FDA’s Center for Biologics Evaluation and Research head, is accused of interpersonal impropriety as pushback builds against his decision to reject Moderna’s influenza vaccine candidate.
After receiving a letter directly from CBER Director Vinay Prasad, Moderna said the FDA had previously signed off on the use of a licensed flu vaccine as a comparator for a Phase 3 study of mRNA-1010.
The agency flagged several violations at a compounding pharmacy owned by Hims & Hers, including “infestation by rodents, birds insects, and other vermin.”
The FDA recommended that REGENXBIO run a new study, treat more patients and include a placebo arm to support a resubmission for the gene therapy RGX-121.
The FDA underwent significant changes during the first year of the second Trump administration, directly affecting business risk and opportunity. Understanding key 2025 trends will be critical to developing regulatory strategies and maximizing opportunities for success.
A year of significant policy change at the FDA brought momentum and scrutiny into the new year. As 2026 gets underway, biopharma companies are responding to sweeping vaccine changes while concerns surface about the politicization of the agency.