The Biotech Tea

The Biotech Tea

FDA Expedited Programs

A Few More Sips: A distilled comparison between Fast Track, Breakthrough, Accelerated, & Priority

Annicka Evans, PhD's avatar
Annicka Evans, PhD
May 25, 2026
∙ Paid

Over the last 4 weeks, paid subscribers got a review of each FDA expedited program in the Biotech Term of the Week. Since the descriptions were spread out across several newsletters, I thought it would be useful to combine the coverage into a single article for reference. And A Few More Sips posts were born — off-cadence posts where I group ideas together or expand on a topic we discussed in a newsletter. Sometimes free, sometimes paid, depending on the topic it builds off of.

This post covers:

  • Fast Track Designation (FTD)

  • Breakthrough Designation (BTD)

  • Accelerated Approval Pathway

  • Priority Review

Before going into this series I couldn’t quite make out some of the more subtle differences between the various options and this review solidified it for me. I distilled the key aspects (and differences) in a table, which I hope you find helpful!

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