Regulatory

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.
Maintaining America’s momentum demands that policymakers resist policies that undermine research and development incentives.
Tracy Beth Høeg addressed FDA staffers for the first time in her role as the fifth CDER chief under President Donald Trump, announcing inquiries into the use of SSRIs in pregnancy and RSV antibodies in infants despite well-documented safety of these treatments.
The FDA’s drug review process can often be “unpredictable,” and review teams typically “differ greatly” in what they ask of drug sponsors, Sen. Bill Cassidy said.
Drug sponsors should nevertheless bolster their application with “confirmative evidence,” chief regulators Marty Makary and Vinay Prasad said on Wednesday, including mechanistic data or findings from related indications or animal models.
CDC
Jay Bhattacharya will become the latest leader of the CDC on an acting basis, days after Jim O’Neill stepped aside.
FDA vouchers are normally a coveted prize for biopharma companies, but a surprise rejection for Disc Medicine’s rare disease drug has biopharma reconsidering.
FDA
The disagreement between Moderna and the FDA has reached a resolution just eight days after the biotech received a Refusal-to-File letter in response to its application for mRNA-1010. Moderna will now seek approval of the vaccine based on age.
The FDA outright refuses to review Moderna’s mRNA-based flu vaccine as CBER director Vinay Prasad’s conduct is scrutinized; Disc Medicine receives an unexpected rejection, which Prasad may also have had a hand in; Compass Pathways posts new late-stage data on its psilocybin-based depression drug; CDC is once again leaderless.
Long an R&D company that partnered off assets, RNAi biotech Ionis Pharmaceuticals shifted in 2025 to bring two medicines to market alone. Analysts are already impressed—and there’s more to come in 2026.
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