The Priority Review

Clinical trials

New Phase 3 trials registered, week of September 28, 2026: 9 industry trials

Industry sponsors registered 9 Phase 3 trials on ClinicalTrials.gov in the week of September 28 to October 4, 2026. They plan to enroll 7,514 participants in all; the largest, GlaxoSmithKline's mRNA Seasonal Flu vaccine trial, plans to enroll 3,000.

Compiled by code from the stream briefs and public records linked below; no model wrote this page. How we use automation

Each line below links the stream brief and the trial's ClinicalTrials.gov record, largest trial first.

The trials

By the numbers

  • Trials: 9, from 8 lead sponsors.
  • Planned enrollment: 7,514 in all across 9 trials; median 590 per trial.
  • Largest: GlaxoSmithKline's mRNA Seasonal Flu vaccine trial, 3,000. Smallest: Amgen's MOMENT trial, 159.
  • Sponsors with more than one trial: Boehringer Ingelheim (2).
  • Phases as registered: 9 Phase 3.
  • Planned primary completion: from February 2027 to September 2031.

How this page is made

Code builds this page from the stream briefs linked above and from each trial's ClinicalTrials.gov record, read when the page was last built: sponsor, condition, intervention, phase and enrollment come from the record. No model writes this page. Planned figures are the sponsor's estimates at registration.