Health and Human Services Department, Food and Drug Administration
The Food and Drug Administration (FDA or the Agency) is extending the comment period for the notice entitled "List of Bulk Drug Substances for Which There Is a Clinical Need Under Section 503B of the Federal Food, Drug, and Cosmetic Act" that appeared in the Federal Register of May 1, 2026. In the Federal Register notice, FDA requested comments on FDA's proposal not to include semaglutide, tirzepatide, or liraglutide 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). The Agency is taking this action in response to a request for an extension to allow interested persons additional time to submit comments.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Health and Human Services Food and Drug Administration [Docket No. FDA-2018-N-3240] AGENCY: Food and Drug Administration, HHS. ACTION: Notice; extension of comment period. SUMMARY: The Food and Drug Administration (FDA or the Agency) is extending the comment period for the notice entitled “List of Bulk Drug Substances for Which There Is a Clinical Need Under Section 503B of the Federal Food, Drug, and Cosmetic Act” that appeared in the Federal Register of May 1, 2026. In the Federal Register notice, FDA requested comments on FDA's proposal not to include semaglutide, tirzepatide, or liraglutide 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). The Agency is taking this action in response to a request for an extension to allow interested persons additional time to submit comments. DATES: FDA is extending the comment period on the notice published in the Federal Register of May 1, 2026 ( 91 FR 23431 ). Either electronic or written comments must be submitted by July 30, 2026. ADDRESSES: You may submit comments as follows. Please note that late, untimely filed comments will not be considered. The https://www.regulations.gov electronic filing system will accept comments until 11:59 p.m. Eastern Time at the end of July 30, 2026. Comments received by mail/hand delivery/courier (for written/paper submissions) will be considered timel…
Other Federal Register documents from the same docket.
List of Bulk Drug Substances for Which There Is a Clinical Need Under Section 503B of the Federal Food, Drug, and Cosmetic Act
List of Bulk Drug Substances for Which There is a Clinical Need Under Section 503B of the Federal Food, Drug, and Cosmetic Act
List of Bulk Drug Substances for Which There Is a Clinical Need Under Section 503B of the Federal Food, Drug, and Cosmetic Act
List of Bulk Drug Substances for Which There is a Clinical Need Under Section 503B of the Federal Food, Drug, and Cosmetic Act
List of Bulk Drug Substances for Which There Is a Clinical Need Under Section 503B of the Federal Food, Drug, and Cosmetic Act
Citation: 91 FR 38719