Home › Recently closed › 2026-08552

List of Bulk Drug Substances for Which There Is a Clinical Need Under Section 503B of the Federal Food, Drug, and Cosmetic Act

Comment period closed: closed 109 days ago (Jun 30, 2026).

Summary (from the Federal Register abstract)

The Food and Drug Administration (FDA, the Agency, or we) is evaluating substances that have been nominated for inclusion on a list of bulk drug substances (active pharmaceutical ingredients) for which there is a clinical need for outsourcing facilities to use in compounding (the 503B Bulks List). This notice identifies three bulk drug substances that FDA has considered and proposes not to include on the 503B Bulks List: semaglutide, tirzepatide, and liraglutide. Additional bulk drug substances nominated for inclusion on this list are under consideration and may be the subject of future notices.

Document type
Notice
Federal Register document number
2026-08552
Published
May 1, 2026
Action
Notice.
Docket
FDA-2018-N-3240
Comments posted on Regulations.gov (at last check)
4,279
DATES section (from the document)
Either electronic or written comments on the notice must be submitted by June 30, 2026.
Topics (auto-tagged)
GMP / manufacturing

Source: Federal Register API, document 2026-08552. Federal Register text is a U.S. government work. Confirm dates in the official document; later documents may extend, reopen or correct them.