Idefirix

imlifidase · SERB SA
ORPHAN PRIME CONDITIONAL APPROVAL AUTHORISED IN THE EU

What Idefirix is used for

Idefirix is indicated for desensitisation treatment of highly sensitised adult kidney transplant patients with positive crossmatch against an available deceased donor. The use of Idefirix should be reserved for patients unlikely to be transplanted under the available kidney allocation system including prioritisation programmes for highly sensitised patients.

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).
  • PRIME: a priority medicine that the EMA supported early because it may meet an unmet need.
  • Conditional approval: approved on less complete data because the need is high; more data must follow.

Key facts

Brand
Idefirix
Active substance
imlifidase
Disease area
Desensitization, Immunologic; Kidney Transplantation
Medicine group
Immunosuppressants
ATC code
L04AA
Marketing authorisation holder
SERB SA
Authorised in the EU since
2020

Official information

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 Idefirix used for?

Idefirix is indicated for desensitisation treatment of highly sensitised adult kidney transplant patients with positive crossmatch against an available deceased donor. The use of Idefirix should be reserved for patients unlikely to be transplanted under the available kidney allocation system including prioritisation programmes for highly sensitised patients.

What is the active substance in Idefirix?

Idefirix contains imlifidase.

Who makes Idefirix?

The EU marketing authorisation holder is SERB SA.

Is Idefirix an orphan medicine?

Yes. Idefirix is designated an orphan medicine in the EU, for a rare disease (Desensitization, Immunologic; Kidney Transplantation).

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.