Status:

RECRUITING

A Study to Evaluate ALN-5288 in Patients With Alzheimer's Disease

Lead Sponsor:

Alnylam Pharmaceuticals

Collaborating Sponsors:

Regeneron Pharmaceuticals

Conditions:

Alzheimer's Disease

Eligibility:

All Genders

40-80 years

Phase:

PHASE1

Brief Summary

The purpose of this study is to: * Evaluate the safety and tolerability of intrathecal (IT) ALN-5288 in patients with Alzheimer's Disease (AD) * Evaluate the pharmacodynamic (PD) and pharmacokinetic ...

Eligibility Criteria

Inclusion

  • Is able and willing to meet all study requirements in the opinion of the Investigator
  • Has a diagnosis of Alzheimer's disease (AD) based on clinical findings supported by cerebrospinal fluid (CSF) biomarkers or positive positron emission tomography (PET) amyloid imaging within 7 years prior to screening
  • Has mild cognitive impairment (MCI) or dementia due to AD

Exclusion

  • Has non-AD dementia
  • Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) \>2× upper limit of normal (ULN)
  • Has total bilirubin \>1.5×ULN
  • Has known human immunodeficiency virus infection
  • Has history of hepatitis C virus or current hepatitis B virus infection
  • Has systolic blood pressure \>160 mmHg and/or a diastolic blood pressure \>100 mmHg after 10 minutes of rest at screening
  • Has an estimated glomerular filtration (eGFR) of \<45 mL/min/1.73 m\^2 at screening
  • Has clinically significant ECG abnormalities at screening
  • Has uncontrolled psychiatric disease, including patients deemed by the Investigator to be at significant risk of suicide, major depressive episode, psychosis, confusional state, or violent behavior
  • Has history of bleeding diathesis or coagulopathy due to chronic conditions
  • Has a medical history of brain or spinal disease that would interfere with the IT injection and LP procedures
  • Has history of uncontrolled seizures within the last 6 months prior to Screening

Key Trial Info

Start Date :

October 15 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 31 2030

Estimated Enrollment :

50 Patients enrolled

Trial Details

Trial ID

NCT07214727

Start Date

October 15 2025

End Date

March 31 2030

Last Update

December 24 2025

Active Locations (13)

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Page 1 of 4 (13 locations)

1

Clinical Trial Site

Ottawa, Ontario, Canada, K1Z 1G3

2

Clinical Trial Site

Toronto, Ontario, Canada, M3B 2S7

3

Clinical Trial Site

Toronto, Ontario, Canada, M5T 2S8

4

Clinical Trial Site

Montreal, Quebec, Canada, H3G 1H9