- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT07636811
A Study to Evaluate Mivelsiran in Adult Participants With Early-Stage Down Syndrome-Associated Alzheimer's Disease (DS-AD)
A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study, to Evaluate Efficacy, Safety, Tolerability, and Pharmacodynamics of Intrathecally Administered Mivelsiran in Adult Participants With Early-Stage Down Syndrome-Associated Alzheimer's Disease (DS-AD)
Studieöversikt
Status
Intervention / Behandling
Studietyp
Inskrivning (Beräknad)
Fas
- Fas 2
Kontakter och platser
Studiekontakt
- Namn: Alnylam Clinical Trial Information Line
- Telefonnummer: 1-877-ALNYLAM
- E-post: clinicaltrials@alnylam.com
Studera Kontakt Backup
- Namn: Alnylam Clinical Trial Information Line
- Telefonnummer: 1-877-256-9526
- E-post: clinicaltrials@alnylam.com
Studieorter
-
-
Florida
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Maitland, Florida, Förenta staterna, 32751
- Rekrytering
- Clinical Study Site
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Naples, Florida, Förenta staterna, 34105
- Rekrytering
- Clinical Study Site
-
-
-
-
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Seville, Spanien
- Rekrytering
- Clinical Trial Site
-
-
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
- Vuxen
Tar emot friska volontärer
Beskrivning
Inclusion Criteria:
- Clinical diagnosis of Down-Syndrome (DS) associated with trisomy 21
- Positive amyloid PET scan
- Cognitively stable in the opinion of the investigator
- Seizures must be well controlled with no occurrence of seizures in the 6 months prior to screening
Exclusion Criteria:
- Has severe intellectual disability (ID)
- Has a history of DS regression disorder
- Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >2×upper limit of normal (ULN) at Screening
- Has estimated glomerular filtration rate (eGFR) <45 mL/min/1.73m^2 at Screening
- Has recently received an investigational agent
- Has had treatment with amyloid-targeting antibody
- Comorbidities such as obstructive sleep apnea and hypothyroidism that are not well controlled
Note: other protocol defined inclusion / exclusion criteria apply
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Behandling
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Fyrdubbla
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
|---|---|
|
Experimentell: Mivelsiran (Treatment Group A)
Participants will be administered multiple low doses of mivelsiran.
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Mivelsiran will be administered intrathecally
Andra namn:
|
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Experimentell: Mivelsiran (Treatment Group B)
Participants will be administered multiple high doses of mivelsiran.
|
Mivelsiran will be administered intrathecally
Andra namn:
|
|
Placebo-jämförare: Placebo (Treatment Group C)
Participants will be administered multiple doses of placebo.
|
Placebo kommer att administreras intratekalt
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Tidsram |
|---|---|
|
Double-Blind Period: Change from baseline in brain amyloid burden measured in centiloids (CLs)
Tidsram: Up to 24 months
|
Up to 24 months
|
Sekundära resultatmått
Resultatmått |
Tidsram |
|---|---|
|
Double-Blind Period: Change from baseline in APP protein concentration in cerebrospinal fluid (CSF)
Tidsram: Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline in the concentration of amyloid beta proteins in CSF
Tidsram: Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline in the concentration of tau proteins in plasma
Tidsram: Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline on a cognitive scale
Tidsram: Up to 24 months
|
Up to 24 months
|
|
Double-blind Period and Open-label Extension (OLE) Period: Frequency of adverse events (AEs)
Tidsram: Up to 36 months
|
Up to 36 months
|
Samarbetspartners och utredare
Sponsor
Utredare
- Studierektor: Medical Director, Alnylam Pharmaceuticals
Studieavstämningsdatum
Studera stora datum
Studiestart (Faktisk)
Primärt slutförande (Beräknad)
Avslutad studie (Beräknad)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Faktisk)
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- ALN-APP-003
- 2025 (U.S.S. NIH-anslag/kontrakt: Faculty of Social Sciences Scientific Grant at the University of Gdańsk)
- 2025-523390-42-00 (Ctis)
Plan för individuella deltagardata (IPD)
Planerar du att dela individuella deltagardata (IPD)?
IPD-planbeskrivning
Access to Anonymized individual participant data that support these results is made available 12 months after study completion and not less than 12 months after the product and indication have been approved in the US and/or the EU.
Access to data may be declined where there is likelihood a patient could be identified or other feasibility issue, where there is a potential conflict of interest, a planned business activities or an actual or potential competitive risk. Data will be provided contingent upon the approval of a research proposal and the execution of a data sharing agreement. Timeframes for data access may vary and can take up to 6 months or more.
Requests for access to data can be submitted via the website www.vivli.org. Questions can also be directed to datasharing@alnylam.com.
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