Onpattro

patisiran · Alnylam Netherlands B.V.
ORPHAN AUTHORISED IN THE EU

What Onpattro is used for

Onpattro is indicated for the treatment of hereditary transthyretin-mediated amyloidosis (hATTR amyloidosis) in adult patients with stage 1 or stage 2 polyneuropathy.

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).

Key facts

Brand
Onpattro
Active substance
patisiran
Disease area
Amyloidosis, Familial
Medicine group
Other nervous system drugs
ATC code
N07
Marketing authorisation holder
Alnylam Netherlands B.V.
Authorised in the EU since
2018

Official information

In the USA

Same active substance: Onpattro

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 Onpattro used for?

Onpattro is indicated for the treatment of hereditary transthyretin-mediated amyloidosis (hATTR amyloidosis) in adult patients with stage 1 or stage 2 polyneuropathy.

What is the active substance in Onpattro?

Onpattro contains patisiran.

Who makes Onpattro?

The EU marketing authorisation holder is Alnylam Netherlands B.V..

Is Onpattro an orphan medicine?

Yes. Onpattro is designated an orphan medicine in the EU, for a rare disease (Amyloidosis, Familial).

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.