Status:

NOT_YET_RECRUITING

AV-1980R (Tau Vaccine) in Preclinical Alzheimer's Disease (TAURUS-1980)

Lead Sponsor:

Institute for Molecular Medicine

Collaborating Sponsors:

National Institute on Aging (NIA)

Conditions:

Alzheimer Disease

Preclinical Alzheimer's Disease

Eligibility:

All Genders

65-80 years

Phase:

PHASE1

Brief Summary

This is a Phase 1, multicenter, randomized, double-blind, placebo-controlled, multiple dose-escalating trial to evaluate the safety, tolerability, and immune response of AV-1980R, an investigational v...

Detailed Description

This first-in-human study investigates AV-1980R, a MultiTEP-based active immunotherapy formulated with the adjuvant, as a secondary prevention approach for Alzheimer's disease. The study will randomiz...

Eligibility Criteria

Inclusion

  • Male or post-menopausal/surgically sterile female, 65-80 years of age.
  • Cognitively unimpaired with preclinical Alzheimer's disease:
  • CDR global score = 0. MMSE ≥ 26. WMS-R LM II ≥ 6. Amyloid Probability Score 2 (APS2) \> 54 (PrecivityAD2™). Adequate vision/hearing to comply with study procedures. Stable concomitant medications if applicable. Signed informed consent.

Exclusion

  • MRI abnormalities: \>1 large lacunar infarct, territorial infarct, \>5 microbleeds, ARIA-E, or other significant pathology.
  • Contraindications to MRI (e.g., pacemaker, metallic implants, severe claustrophobia).
  • Serious illness or hospitalization within 4 weeks prior to enrollment. Clinically significant cardiovascular, endocrine, hematologic, autoimmune, or neurological disease.
  • Insulin-dependent diabetes, significant arrhythmias, or seizure disorder. Positive C-SSRS (score ≥ 3). Prior tau or amyloid-beta immunotherapy within 1 year. Immunosuppressive or anticoagulant use that could interfere with study safety. Clinically significant lab abnormalities or positive HIV, HBV, or HCV screening.

Key Trial Info

Start Date :

December 15 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

October 15 2029

Estimated Enrollment :

48 Patients enrolled

Trial Details

Trial ID

NCT07158905

Start Date

December 15 2025

End Date

October 15 2029

Last Update

September 8 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Comprehensive Center for Brain Health

Boca Raton, Florida, United States, 33433