Drugs / Patisiran
last change Aug 2026 re-read 3 minutes ago

Patisiran

also known as ALN-TTR02 · ALN-18328 · Genz-438027 · SAR-438037

Small interfering RNA (siRNA) targets TTR via inhibition

Developed for
familial amyloid neuropathy · amyloidosis · hereditary amyloidosis · polyneuropathy · wild type ATTR amyloidosis
Investigated by
Alnylam Pharmaceuticals · Austin Neuromuscular Center

Regulatory milestones approvals, filings & regulatory actions · 13 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed AH amyloidosis 4 milestones
Rejected (CRL) US (FDA) — AH amyloidosis 2023-10-09

“FDA has issued a Complete Response Letter (CRL) in response to the Company’s supplemental New Drug Application (sNDA) for patisiran” alnylam.com ↗

Filed Other ONPATTRO AH amyloidosis 2023-05-04

“Submitted an sNDA to the Brazilian Health Regulatory Agency (ANVISA) for ONPATTRO ( patisiran ) for the treatment of the cardiomyopathy of ATTR amyloidosis.” alnylam.com ↗

Filed US (FDA) ONPATTRO AH amyloidosis 2022-12-08

“today announced the submission of its supplemental New Drug Application (sNDA) to the U.S. Food and Drug Administration (FDA) for patisiran” alnylam.com ↗

“sNDA for patisiran for the treatment of the cardiomyopathy of ATTR amyloidosis is under review by the U.S. Food and Drug Administration” alnylam.com ↗

Filed Other — AH amyloidosis 2019-02-07

“Continued global efforts to bring ONPATTRO to patients with filing of a New Drug Submission (NDS) in Canada” alnylam.com ↗

“a Marketing Authorisation Application (MAA) in Switzerland, which has now been accepted” alnylam.com ↗

Filed ATTRV30M amyloidosis 1 milestone
Filed Other ONPATTRO ATTRV30M amyloidosis 2019-10-10

“patisiran for the treatment of patients with hereditary transthyretin-mediated (hATTR) amyloidosis with polyneuropathy has been filed with the Brazilian Health Regulatory...” alnylam.com ↗

“Filed a marketing authorization application with the Brazilian Health Regulatory Agency (ANVISA) for patisiran for the treatment of hATTR amyloidosis patients with polyneuropathy.” alnylam.com ↗

“Patisiran – which will be commercialized following regulatory approval under the brand name ONPATTRO ® – is Alnylam’s first investigational drug submitted for review in Brazil .” alnylam.com ↗

Filed hereditary amyloidosis 5 milestones
Filed Japan (PMDA) — hereditary amyloidosis 2018-09-28

“submitted a New Drug Application (NDA) to Japan’s Pharmaceuticals and Medical Devices Agency (PMDA) for approval of patisiran for the treatment of hereditary...” alnylam.com ↗

Filed US (FDA) — hereditary amyloidosis 2018-05-03

“Received acceptance from the United States Food and Drug Administration ( FDA ) and the European Medicines Agency (EMA) of patisiran’s New Drug Application (NDA)” alnylam.com ↗

Filed US (FDA) — hereditary amyloidosis 2018-02-01

“the U.S. Food and Drug Administration ( FDA ) has accepted for filing its New Drug Application (NDA) for patisiran” alnylam.com ↗

Filed EU (EMA) — hereditary amyloidosis 2017-12-18

“European Medicines Agency (EMA) has accepted the Marketing Authorisation Application (MAA) and initiated its review for patisiran” alnylam.com ↗

“submission of a Marketing Authorisation Application (MAA) to the European Medicines Agency (EMA) for patisiran” alnylam.com ↗

Filed US (FDA) — hereditary amyloidosis 2017-11-16

“completion of the rolling submission of a New Drug Application (NDA) to the U.S. Food and Drug Administration ( FDA ) for patisiran” alnylam.com ↗

“initiated submission of a rolling New Drug Application (NDA) to the U.S. Food and Drug Administration ( FDA ) for patisiran” alnylam.com ↗

Approved Indication not stated 3 milestones
Label expansion US (FDA) ONPATTRO — 2023-01-13 fda.gov ↗
Approved EU (EMA) Onpattro — 2018-08-27 europa.eu ↗

Trials 8

2012201320142015201620172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT05023889 Aug 2022 → Apr 2026 polyneuropathy, wild type ATTR amyloidosis Austin Neuromuscular Center Completed No outcome recorded
Phase 22 trials
Phase 2 NCT01961921 Oct 2013 → Jul 2016 familial amyloid neuropathy Alnylam Pharmaceuticals Completed No outcome recorded
Phase 2 NCT01617967 May 2012 → Oct 2013 familial amyloid neuropathy Alnylam Pharmaceuticals Completed No outcome recorded
Phase 33 trials · 2 met primary
Phase 3 NCT03997383 Sep 2019 → Jun 2022 — Alnylam Pharmaceuticals Completed Met primary
Phase 3 NCT03862807 Mar 2019 → Oct 2020 hereditary amyloidosis Alnylam Pharmaceuticals Completed No outcome recorded
Phase 3 NCT02510261 Jul 2015 → Nov 2022 amyloidosis Alnylam Pharmaceuticals Completed Met primary
Phase not stated2 trials
— NCT02939820 — familial amyloid neuropathy Alnylam Pharmaceuticals Approved for marketing No outcome recorded
— NCT05505838 — amyloidosis Alnylam Pharmaceuticals No longer available No outcome recorded
Comparator or background therapy4 trials
Phase 1 NCT02053454 Comparator Jan → Mar 2014 — Alnylam Pharmaceuticals Completed No outcome recorded
Phase 1 NCT01559077 Comparator Mar → Jun 2012 hereditary amyloidosis Alnylam Pharmaceuticals Completed No outcome recorded
Phase 3 NCT03759379 Comparator Feb 2019 → Nov 2020 hereditary amyloidosis Alnylam Pharmaceuticals Completed Met primary
Phase 3 NCT01960348 Comparator Nov 2013 → Aug 2017 familial amyloid neuropathy Alnylam Pharmaceuticals Completed No outcome recorded

News releases announcing trial results or a regulatory action · 72

DateIssuerRelease
2026-08-30 Alnylam Pharmaceuticals Results Alnylam Presents New Data at ESC Congress 2026 Reinforcing Strength in RNAi-Powered TTR Silencing Across ATTR-CM Patient Populations and Treatment Settings alnylam.com ↗
Alnylam Pharmaceuticals, Inc . (Nasdaq: ALNY), the leading RNAi therapeutics company, today announced new data at the European Society of Cardiology (ESC) Congress 2026 demonstrating the strength of RNAi-powered silencing for cardiovascular disease.
2026-05-12 Alnylam Pharmaceuticals Results New Data Analyses Presented at Heart Failure 2026 Demonstrate Robust and Consistent Clinical Benefit of Vutrisiran as a First-Line Treatment Option Across ATTR-CM Patient Populations, Including Patients with a High Disease Burden alnylam.com ↗
Rates of ocular adverse events potentially associated with vitamin A deficiency were low and comparable to placebo.
2023-10-25 Alnylam Pharmaceuticals Results Alnylam Announces Publication of Results from APOLLO-B Phase 3 Study of Patisiran in Patients with the Cardiomyopathy of ATTR Amyloidosis in the New England Journal of Medicine alnylam.com ↗
The data reported in the APOLLO-B Phase 3 study publication demonstrate that patisiran, an RNAi therapeutic targeting transthyretin (TTR), preserved functional capacity and health status and quality of life compared with placebo at 12 months.
2023-10-09 Alnylam Pharmaceuticals Regulatory Alnylam Announces Receipt of Complete Response Letter from U.S. FDA for Supplemental New Drug Application for Patisiran for the Treatment of the Cardiomyopathy of ATTR Amyloidosis alnylam.com ↗
The CRL indicated that the clinical meaningfulness of patisiran’s treatment effects for the cardiomyopathy of ATTR amyloidosis had not been established, and therefore, the sNDA for patisiran could not be approved in its present form.
2023-09-13 Alnylam Pharmaceuticals Regulatory Alnylam Announces Positive Outcome of FDA Advisory Committee Meeting on Patisiran for the Treatment of the Cardiomyopathy of ATTR Amyloidosis alnylam.com ↗
The CRDAC voted 9:3 that the benefits of patisiran outweigh its risks for the treatment of the cardiomyopathy of ATTR amyloidosis.
2023-09-13 Alnylam Pharmaceuticals Regulatory Alnylam Stock Trading Halted Today; FDA Advisory Committee to Review Supplemental New Drug Application for Patisiran for the Treatment of the Cardiomyopathy of ATTR Amyloidosis alnylam.com ↗
The U.S. Food and Drug Administration’s (FDA) Cardiovascular and Renal Drugs Advisory Committee is meeting today to review the supplemental New Drug Application for patisiran, an investigational RNAi therapeutic in development for the treatment of the cardiomyopathy of transthyretin-mediated (ATTR) amyloidosis.
2023-08-03 Alnylam Pharmaceuticals Regulatory Alnylam Pharmaceuticals Reports Second Quarter 2023 Financial Results and Highlights Recent Period Activity alnylam.com ↗
Submitted 18-Month APOLLO-B Data to the U.S. Food and Drug Administration as Amendment to Supplemental New Drug Application for Patisiran
2023-06-30 Alnylam Pharmaceuticals Regulatory Alnylam Announces Date of Planned FDA Advisory Committee Meeting for ONPATTRO® (patisiran) for the Treatment of the Cardiomyopathy of ATTR Amyloidosis alnylam.com ↗
Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), the leading RNAi therapeutics company, today announced that the U.S. Food and Drug Administration (FDA) has set a date of September 13, 2023 for the meeting of the Cardiovascular and Renal Drugs Advisory Committee to review the supplemental New Drug Application for patisiran, an investigational treatment for the cardiomyopathy of transthyretin-mediated (ATTR) amyloidosis.
2023-05-20 Alnylam Pharmaceuticals Results Alnylam Presents 18-Month Results from the APOLLO-B Phase 3 Study of Patisiran in Patients with ATTR Amyloidosis with Cardiomyopathy alnylam.com ↗
The results were presented at the Annual Congress of the Heart Failure Association of the European Society of Cardiology (Heart Failure 2023; May 20-23, 2023 ).
2023-02-23 Alnylam Pharmaceuticals Regulatory Alnylam Pharmaceuticals Reports Fourth Quarter and Full Year 2022 Financial Results and Highlights Recent Period Activity alnylam.com ↗
Submitted and received acceptance of the sNDA for ONPATTRO (patisiran) for the treatment of the cardiomyopathy of ATTR amyloidosis.
2023-02-21 Alnylam Pharmaceuticals Regulatory Alnylam Announces U.S. Food and Drug Administration (FDA) Acceptance of Supplemental New Drug Application for ONPATTRO® (patisiran) for the Treatment of the Cardiomyopathy of ATTR Amyloidosis alnylam.com ↗
today announced that the U.S. Food and Drug Administration (FDA) has accepted for filing the Company’s supplemental New Drug Application (sNDA) for patisiran, an investigational RNAi therapeutic in development for the treatment of the cardiomyopathy of transthyretin-mediated (ATTR) amyloidosis.
2022-12-08 Alnylam Pharmaceuticals Regulatory Alnylam Submits Supplemental New Drug Application (sNDA) to U.S. Food and Drug Administration (FDA) for ONPATTRO® (patisiran) for the Treatment of the Cardiomyopathy of ATTR Amyloidosis alnylam.com ↗
We are excited by today’s announcement as the submission of our sNDA brings us one step closer to making patisiran available to patients with ATTR amyloidosis with cardiomyopathy.

All press releases naming this drug 90 releases

DateIssuerRelease

Evidence & citations 9 cited values

Every value below carries the sentence it was read from. 15 sources stand behind the page.

FieldValueCited text
Known as patisiran ClinicalTrials.gov intervention name — accepted as the source's own label NCT02939820 ↗
10

NCT01960348 ↗

NCT02510261 ↗

NCT03997383 ↗

NCT01617967 ↗

NCT05505838 ↗

NCT01961921 ↗

NCT05023889 ↗

NCT02053454 ↗

NCT03862807 ↗

NCT03759379 ↗

Known as ALN-18328 ChEMBL registry synonym — accepted as the source's own label CHEMBL3989987 ↗
Known as ALN-TTR02 “The purpose of this study is to evaluate the safety and tolerability of long-term dosing with ALN-TTR02 (patisiran) in patients with transthyretin (TTR) mediated amyloidosis (ATTR).” NCT01961921 ↗
4

“The purpose of this study is to evaluate the safety, tolerability and pharmacokinetics (PK) of patisiran (ALN-TTR02) in Japanese subjects” NCT02053454 ↗

“patisiran (ALN-TTR02) administered by intravenous (IV) infusion” NCT02939820 ↗

“patisiran (ALN-TTR02)” NCT01960348 ↗

NCT01559077 ↗

Known as Genz-438027 ChEMBL registry synonym — accepted as the source's own label CHEMBL3989987 ↗
Known as SAR-438037 ChEMBL registry synonym — accepted as the source's own label CHEMBL3989987 ↗
Action Inhibit “Administration of patisiran led to rapid, dose-dependent, and durable knockdown of transthyretin” PMID 26338094 ↗ Sep 2015
Modality Small interfering RNA (siRNA) “We identified a potent antitransthyretin small interfering RNA, which was encapsulated in two distinct first- and second-generation formulations of lipid nanoparticles,...” PMID 23984729 ↗ Aug 2013
Route Intravenous “patients with FAP were administered 2 intravenous infusions of patisiran” PMID 26338094 ↗ Sep 2015
Target TTR “Administration of patisiran led to rapid, dose-dependent, and durable knockdown of transthyretin” PMID 26338094 ↗ Sep 2015