← REGULATORY CHANGES
FEDERAL REGISTER · NOTICEAugust 3, 2026OPEN FOR COMMENT

Biosimilar and Interchangeable Biosimilar Products: Considerations for Container Closure Systems and Device Constituent Parts; Draft Guidance for Industry; Availability

Document type
Notice
Agency
Health and Human Services Department
Published
August 3, 2026
Comments close
October 2, 2026
Document number
2026-15630
ABSTRACT

The Food and Drug Administration (FDA, Agency, or we) is announcing the availability of a draft guidance for industry entitled "Biosimilar and Interchangeable Biosimilar Products: Considerations for Container Closure Systems and Device Constituent Parts." This draft guidance is intended to help applicants develop container closure systems and device constituent parts for proposed biosimilar and interchangeable biosimilar products. This draft guidance expands on and clarifies the Agency's recommendations and expectations regarding the development of delivery devices and container closure systems described in Q.I.4 of the guidance for industry entitled "Questions and Answers on Biosimilar Development and the BPCI Act" and the guidance for industry entitled "Considerations in Demonstrating Interchangeability With a Reference Product" for biosimilar and interchangeable biosimilar products, respectively.

Abstract as published in the Federal Register.

PROFESSIONAL CHANGE REPORT

See the structure of SPEQ’s reviewed analysis

Explorer members can open three bounded, human-reviewed previews each month. Full relationships, analysis, and implementation implications remain protected.

Sign in free to preview →
CHECKING ACCESS

Checking your Professional access…

The comment window is still open until October 2, 2026. This is the point where industry shapes the final rule — submit comments through the Federal Register document below.

READ THE FULL DOCUMENT

The complete document — every provision, the docket, and the comment instructions — is published in the Federal Register. SPEQ surfaces and indexes it for reference; the authoritative text lives on federalregister.gov.

View on federalregister.gov →
PUT THIS CHANGE TO WORK
GxP HorizonWhere regulation is heading next →Decode the standardsThe requirements this rule touches →All regulatory changesBrowse the live Federal Register feed →

Document details are published in the U.S. Federal Register; SPEQ surfaces them for reference and is not affiliated with or endorsed by the FDA or the Office of the Federal Register. The authoritative text is on federalregister.gov.