- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg 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)
Studieoversigt
Status
Intervention / Behandling
Undersøgelsestype
Tilmelding (Anslået)
Fase
- Fase 2
Kontakter og lokationer
Studiekontakt
- Navn: Alnylam Clinical Trial Information Line
- Telefonnummer: 1-877-ALNYLAM
- E-mail: clinicaltrials@alnylam.com
Undersøgelse Kontakt Backup
- Navn: Alnylam Clinical Trial Information Line
- Telefonnummer: 1-877-256-9526
- E-mail: clinicaltrials@alnylam.com
Studiesteder
-
-
Florida
-
Maitland, Florida, Forenede Stater, 32751
- Clinical Study Site
-
Naples, Florida, Forenede Stater, 34105
- Clinical Study Site
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
Tager imod sunde frivillige
Beskrivelse
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
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Firedobbelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Eksperimentel: Mivelsiran (Treatment Group A)
Participants will be administered multiple low doses of mivelsiran.
|
Mivelsiran will be administered intrathecally
Andre navne:
|
|
Eksperimentel: Mivelsiran (Treatment Group B)
Participants will be administered multiple high doses of mivelsiran.
|
Mivelsiran will be administered intrathecally
Andre navne:
|
|
Placebo komparator: Placebo (Treatment Group C)
Participants will be administered multiple doses of placebo.
|
Placebo vil blive administreret intratekalt
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Double-Blind Period: Change from baseline in brain amyloid burden measured in centiloids (CLs)
Tidsramme: Up to 24 months
|
Up to 24 months
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Double-Blind Period: Change from baseline in APP protein concentration in cerebrospinal fluid (CSF)
Tidsramme: Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline in the concentration of amyloid beta proteins in CSF
Tidsramme: Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline in the concentration of tau proteins in plasma
Tidsramme: Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline on a cognitive scale
Tidsramme: Up to 24 months
|
Up to 24 months
|
|
Double-blind Period and Open-label Extension (OLE) Period: Frequency of adverse events (AEs)
Tidsramme: Up to 36 months
|
Up to 36 months
|
Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Studieleder: Medical Director, Alnylam Pharmaceuticals
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- ALN-APP-003
- 2025-523390-42-00 (Ctis)
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
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.
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
produkt fremstillet i og eksporteret fra U.S.A.
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