Drugs / Mivelsiran
last change Jul 2026 re-read 3 minutes ago

Mivelsiran

also known as ALN-APP
Developed for
Alzheimer disease · cerebral amyloid angiopathy
Investigated by
Alnylam Pharmaceuticals

Trials 3

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT05231785 Feb 2022 → Apr 2029 expected Alzheimer disease Alnylam Pharmaceuticals Recruiting No outcome recorded
Phase 22 trials
Phase 2 NCT07636811 Jul 2026 → May 2030 expected Alzheimer disease Alnylam Pharmaceuticals Not yet recruiting No outcome recorded
Phase 2 NCT06393712 May 2024 → Aug 2027 expected cerebral amyloid angiopathy Alnylam Pharmaceuticals Recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 12

DateIssuerRelease
2026-07-15 Alnylam Pharmaceuticals Results Alnylam Highlights Progress with Neuroscience Programs at AAIC 2026, Showcasing Potential of RNAi in Neurological Disease alnylam.com ↗
Presents Updated Phase 1 Data on Mivelsiran in Early Onset Alzheimer’s Disease (EOAD) Showing Low Incidence of Amyloid-Related Imaging Abnormalities (ARIA)
2025-02-25 Alnylam Pharmaceuticals Results Alnylam Highlights Significant Pipeline Progress and Platform Innovation at R&D Day alnylam.com ↗
Alnylam scientists will share additional data from both the single-ascending dose and multiple dose parts of its Phase 1 study of mivelsiran in early-onset Alzheimer’s disease, which further demonstrate potent and durable reduction of soluble APPβ – a key marker of target engagement – in the cerebrospinal fluid as well as an encouraging safety profile.
2024-10-31 Alnylam Pharmaceuticals Results Alnylam Pharmaceuticals Reports Third Quarter 2024 Financial Results and Highlights Recent Period Activity alnylam.com ↗
We also made great strides with our pipeline, sharing new results today from the Phase 1 study of mivelsiran in patients with Alzheimer’s disease and initiating a Phase 1 study for ALN-HTT02 in adult patients with Huntington’s disease earlier in the third quarter.
2024-02-15 Alnylam Pharmaceuticals Regulatory Alnylam Pharmaceuticals Reports Fourth Quarter and Full Year 2023 Financial Results and Highlights Recent Period Activity alnylam.com ↗
The FDA has confirmed that multiple-dosing in the Phase 1 study may proceed at doses up to 180 mg given every six months, which covers all dose regimens planned to be explored in Part B.
2023-10-25 Alnylam Pharmaceuticals Results Alnylam Reports Additional Positive Interim Phase 1 Results for ALN-APP, in Development for Alzheimer’s Disease and Cerebral Amyloid Angiopathy alnylam.com ↗
2023-08-03 Alnylam Pharmaceuticals Results Alnylam Pharmaceuticals Reports Second Quarter 2023 Financial Results and Highlights Recent Period Activity alnylam.com ↗
Presented Updated Positive Interim Results from Phase 1 Study of ALN-APP in Patients with Early-Onset Alzheimer’s Disease
2023-07-17 Alnylam Pharmaceuticals Results Alnylam Reports Updated Positive Interim Phase 1 Results for ALN-APP, in Development for Alzheimer’s Disease and Cerebral Amyloid Angiopathy alnylam.com ↗
Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY) announced today updated positive interim results for the ongoing single ascending dose portion of the Phase 1 study of ALN-APP, an investigational RNAi therapeutic targeting amyloid precursor protein (APP) in development for the treatment of Alzheimer’s disease and cerebral amyloid angiopathy (CAA).
2023-05-04 Alnylam Pharmaceuticals Results Alnylam Pharmaceuticals Reports First Quarter 2023 Financial Results and Highlights Recent Period Activity alnylam.com ↗
Reported positive interim results from the ongoing single ascending dose (SAD) part of the Phase 1 study of ALN-APP in patients with early-onset Alzheimer’s disease (EOAD).
2023-04-26 Alnylam Pharmaceuticals Results Alnylam and Regeneron Report Positive Interim Phase 1 Clinical Data on ALN-APP, an Investigational RNAi Therapeutic for Alzheimer’s Disease and Cerebral Amyloid Angiopathy alnylam.com ↗
Patients treated with ALN-APP experienced dose-dependent, rapid and sustained reduction in cerebrospinal fluid of both soluble APPα (sAPPα) and APPβ (sAPPβ), biomarkers of target engagement, with maximum reduction of 84% and 90%, respectively.
2022-06-02 Alnylam Pharmaceuticals Results Alnylam Announces Publication of Preclinical Results Based on Novel Conjugate Technology That Facilitates Delivery of Short Interfering RNA to the Central Nervous System and Other Extrahepatic Tissues alnylam.com ↗
In a Mouse Model of Alzheimer’s Disease, C16-siRNA Targeting the Amyloid Beta Precursor Protein Gene Led to Potent and Durable Knockdown in the CNS and Ameliorated Physiological and Behavioral Deficits
2021-12-22 Alnylam Pharmaceuticals Regulatory Alnylam Submits CTA Application for ALN-APP, an Investigational RNAi Therapeutic for the Treatment of Alzheimer’s Disease and Cerebral Amyloid Angiopathy alnylam.com ↗
2021-09-29 Alnylam Pharmaceuticals Results Alnylam Continues Scientific Leadership in Advancement of RNAi Therapeutics at the 17th Annual Meeting of the Oligonucleotides Therapeutics Society alnylam.com ↗
An APP siRNA was shown in vitro to cause greater intracellular reductions in soluble APP beta (sAPPβ) fragments compared to β-site APP cleaving enzyme (BACE) inhibitors.

All press releases naming this drug 12 releases

DateIssuerRelease

Evidence & citations 3 cited values

Every value below carries the sentence it was read from. 3 sources stand behind the page.

FieldValueCited text
Known as Mivelsiran ClinicalTrials.gov intervention name — accepted as the source's own label NCT07636811 ↗
Known as ALN-APP ClinicalTrials.gov intervention name — accepted as the source's own label NCT06393712 ↗
1

NCT05231785 ↗

Route Intrathecal “administered intrathecally (IT)” NCT05231785 ↗