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FDA Medication Tracker

← All approvals · Rare & genetic · 2026

Loargys (pegzilarginase-nbln)

The FDA approved Loargys (pegzilarginase-nbln) on February 23, 2026 to treat hyperarginemia in adults and pediatric patients two years and older with Arginase 1 Deficiency, in conjunction with dietary protein restriction.
Brand name
Loargys
Generic name
pegzilarginase-nbln
FDA approval date
February 23, 2026
Approved use (FDA wording)
To treat hyperarginemia in adults and pediatric patients two years and older with Arginase 1 Deficiency, in conjunction with dietary protein restriction
Company
Immedica Pharma Ab
Application
BLA761211
Dosage form / route
Injectable · Injection
Boxed warning on label
Yes (see the FDA label)
Category on this site
Rare & genetic

Indications and usage, from the FDA label

LOARGYS is indicated for the treatment of hyperargininemia in adult and pediatric patients 2 years of age and older with Arginase 1 Deficiency (ARG1-D), in conjunction with dietary protein restriction. This indication is approved under accelerated approval based on reduction of plasma arginine [see Clinical Studies ( 14 )] . Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial. LOARGYS is an arginine specific enzyme indicated for the treatment of hyperargininemia in adult and pediatric patients 2 years of age and older with Arginase 1 Deficiency (ARG1-D), in conjunction with dietary protein restriction. ( 1 ) T…

Official sources

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