The FDA has approved Tregzi, a donor-derived T-cell immunotherapy, to reduce the risk of chronic graft-versus-host disease following stem cell transplant in adults with high-risk blood cancers. In a pivotal trial, 78% of recipients were alive and free of severe chronic GVHD at one year versus 38.4% with standard transplant.
The FDA now defaults to a single pivotal trial for drug approvals, replacing the two-trial standard. Critics warn it could approve ineffective drugs. A draft guidance covers individualized therapies.
FDA Commissioner Marty Makary resigned on May 12, 2026, after a 13-month tenure, leaving many informal policy initiatives vulnerable to reversal. Acting Commissioner Kyle Diamantas now leads the agency amid leadership turnover and industry calls for stability.
The FDA reversed its initial rejection of Moderna's mRNA flu vaccine, agreeing to a normal review after public backlash, while a federal judge invalidated the ACIP advisory committee, leaving the US without functioning vaccine oversight. Moderna's vaccine showed 26.6% greater efficacy than standard flu shots in clinical trials.
The FDA has granted accelerated approval to Denali Therapeutics' Avlayah (tividenofusp alfa-eknm), the first therapy targeting neurological symptoms of Hunter syndrome. The approval was based on a surrogate endpoint measuring heparan sulfate reduction in cerebrospinal fluid, with confirmatory study results required for full approval. The global Hunter syndrome treatment market is projected to reach $2.6 billion by 2033.
FDA reinstates top vaccines regulator ten days after abrupt departure, drawing criticism from public health experts and far-right commentators. Departure was tied to Duchenne muscular dystrophy treatment and COVID-19 vaccine controversies.
Disc Medicine has agreed with the FDA to resubmit bitopertin for rare blood disorder erythropoietic protoporphyria, with the agency allowing the Phase 3 APOLLO trial to support a new filing. The agreement follows a February rejection and could lead to a mid-2027 decision. Disc has implemented workforce cuts and its CFO sold shares amid the regulatory setback.
The FDA's January draft guidance proposes MRD-negative complete response as an accelerated approval end point for multiple myeloma drugs. It defines MRD negativity, sets trial design requirements, and accepts comments through March 23, 2026. Expert Nicholas Richardson discusses calibration challenges and the single-trial model.
The FDA reversed its refusal to review Moderna’s mRNA flu vaccine application and accepted a revised filing with split age cohorts and a post-market study for adults over 65. The reversal came amid broader vaccine regulatory uncertainty and industry concern about unpredictable review timelines.
The global antibody drug conjugate market is calculated at USD 14.76 billion in 2026 and is expected to reach USD 32.66 billion by 2035. North America held a 53% share in 2025, while Asia Pacific is projected to grow fastest.