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Recruiting Phase 1

Innate Immunity Stimulation Via TLR9 in Early AD

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About this study

This single-center, double-blind, placebo-controlled study will recruit in total 39 participants with either Mild Cognitive Impairment due to Alzheimer's disease (MCI) or Mild Alzheimer's disease dementia (mild AD). There will be 3 Dose levels. An initial cohort of 13 subjects will be randomized to a Dose level 1 (0.1 mg/kg vs. placebo) lasting 8 weeks. An additional 13 subjects will be recruited and randomized into Dose level 2 (0.25 mg/kg vs. placebo) for 8 weeks and 13 subjects for the last Dose level 3 (0.5 mg/kg vs. placebo) for 8 weeks. The primary objective will be to assess safety and tolerability of CpG 1018.

Condition
Mild Cognitive Impairment, Alzheimer Dementia
Tested
CpG1018, CpG1018, CpG1018, Placebo
Sponsor
NYU Langone Health

Who can join

Age
60 to 85 years
Sex
All sexes
Healthy volunteers
Not accepted

Inclusion 10

  • Minimum age: 60 years
  • Maximum age: 85 years
  • Study condition: Mild Cognitive Impairment, Alzheimer Dementia
  • 65-85 years of age
  • MCI due to AD or mild AD dementia per NIA-AA specified criteria published in 2018
  • Montreal Cognitive Assessment (MoCA) score ≥17 AND;
  • Positive Florbetaben PET amyloid scan, or other positive PET amyloid scan performed within one year of study enrollment
  • Must be able to provide consent or assent (If applicable).
  • Must be willing and able to participate in all study related procedures.
  • Must have a reliable study partner to provide information on the subject's cognitive and functional status. Study partner must have sufficient contact with the subject, as determined by the PI, and be available to accompany the subject to clinic visits or by phone.

Exclusion 13

  • History of psychiatric illness (e.g. hallucinations, major depression, suicidal ideation or delusions) that could interfere with completion of study related procedures as determined by PI
  • History of autoimmune disorders or antibody-mediated disease, severe asthma, or other serious infection or systemic illness, as determined by PI
  • Use of corticosteroids or immunosuppressive drugs within 30 days of study entry
  • History of splenectomy
  • Renal impairment
  • Use of chloroquine within 8 weeks of study entry
  • Inability to undergo MRI imaging
  • History of TIA, stroke or seizures within 12 months of screening
  • Any neurological condition other than AD that could contribute to cognitive impairment (including related to possible "long COVID") as determined by PI
  • Participation in any other current AD investigational interventional trial
  • Current use of an anti-coagulant
  • Current use of drugs that are major substrates of cytochrome P450 (CYP) enzyme 1A2
  • Recent exposure to COVID-19 infection within 14 days or recent onset of symptoms within 14 days that may be related to COVID-19 infection

Where

1 site, 1 recruiting

NYU Langone Health

New York, New York, United States

Recruiting

Contact

Potential match only. Final eligibility is determined by the study team.