Patisiran - Alnylam Pharmaceuticals
Alternative Names: ALN-18328; ALN-TTR02; GENZ-438027; ONPATTRO; Onpattro; Patisiran sodium - Alnylam Pharmaceuticals; patisiran-LNP; SAR-438037Latest Information Update: 28 Apr 2026
At a glance
- Originator Alnylam Pharmaceuticals
- Class Small interfering RNA
- Mechanism of Action Prealbumin expression inhibitors; RNA interference
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Orphan Drug Status
Yes - Amyloid polyneuropathy; Amyloidosis
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Marketed Amyloid polyneuropathy; Amyloidosis
Most Recent Events
- 24 Dec 2025 Alnylam Pharmaceuticals completes the phase III APOLLO-B trial for hereditary and wild-type ATTR Amyloidosis in Argentina, Australia, Belgium, Brazil, Bulgaria, Chile, Czechia, Denmark, France, Hong Kong, Italy, Japan, Mexico, Netherlands, New Zealand, Poland, Portugal, South Korea, Sweden, Taiwan, the UK, US (IV, Infusion) (NCT03997383) (EudraCT2019-001458-24)
- 19 Jun 2025 Launched for Amyloid polyneuropathy in Denmark (IV)
- 13 Feb 2025 Brazilian Health Regulatory Agency approves Patisiran for the treatment of Amyloidosis with Cardiomyopathy