Loargys

pegzilarginase · Immedica Pharma AB
ORPHAN EXCEPTIONAL CIRCUMSTANCES AUTHORISED IN THE EU

What Loargys is used for

Loargys is indicated for the treatment of arginase 1 deficiency (ARG1 D), also known as hyperargininemia, in adults, adolescents and children aged 2 years and older.

Approved use, as published by the European Medicines Agency.

What the labels mean

  • Orphan medicine: for a rare disease (affecting no more than 5 in 10,000 people in the EU).
  • Approved under exceptional circumstances: full data cannot be collected, usually because the disease is very rare.

Key facts

Brand
Loargys
Active substance
pegzilarginase
Disease area
Hyperargininemia
Medicine group
Other alimentary tract and metabolism products
ATC code
A16AB24
Marketing authorisation holder
Immedica Pharma AB
Authorised in the EU since
2023

Official information

In the USA

Same active substance: Loargys

Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.

Common questions

What is Loargys used for?

Loargys is indicated for the treatment of arginase 1 deficiency (ARG1 D), also known as hyperargininemia, in adults, adolescents and children aged 2 years and older.

What is the active substance in Loargys?

Loargys contains pegzilarginase.

Who makes Loargys?

The EU marketing authorisation holder is Immedica Pharma AB.

Is Loargys an orphan medicine?

Yes. Loargys is designated an orphan medicine in the EU, for a rare disease (Hyperargininemia).

Source: European Medicines Agency medicines data (ema.europa.eu), reproduced with acknowledgement of the source. Page made 5 November 2026 by Satya Babu.

← All specialty medicines, EU

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.