All terms
Request for Designation
Formal mechanism to obtain a binding FDA decision on which Center will regulate a product.
Reviewed by Christian Espinosa, Founder, Blue Goat CyberLast reviewed May 5, 2026
Definition
An RFD is submitted to the Office of Combination Products to determine the classification of a product (drug, device, biologic, or combination) and assign the lead FDA Center based on primary mode of action.What this means in practice
Often used early in development for novel combination products to remove ambiguity about the regulatory pathway and applicable cGMP requirements.Primary references
3 sourcesLink health: 2 verified 1 needs review· last checked 2026-05-09
FDA·2European Commission·1
- 1
How to Submit an RFDNeeds reviewFDAfda.gov
- 2
FDA - Medical DevicesVerifiedFDAfda.gov
- 3
European Commission - Medical DevicesVerifiedEuropean Commissionhealth.ec.europa.eu
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