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Glycerol Phenylbutyrate Oral Liquid shortage

To Be Discontinued  2 presentations · 1 manufacturers · first FDA posting 2026-09-01 · last update 2026-09-01

Manufacturers: Amgen Inc.

Stated reasons (per FDA): Not stated

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Presentations

PresentationManufacturerStatusReasonNotes (FDA)Dates
RAVICTI, Oral Liquid, 1.1 g/1 mL (NDC 75987-050-06)Amgen Inc.To Be Discontinued
 —Discontinuation in the manufacturing of the drug productPosted 09/01/2026
Updated 09/01/2026
Discontinued 09/01/2026
RAVICTI, Oral Liquid, 1.1 g/1 mL (NDC 75987-050-07)Amgen Inc.To Be Discontinued
 —Discontinuation in the manufacturing of the drug productPosted 09/01/2026
Updated 09/01/2026
Discontinued 09/01/2026

Source: FDA Drug Shortages Database · raw openFDA records

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