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

PHASE1Not yet recruitingINTERVENTIONAL
Enrollment

48

Participants

Timeline

Start Date

December 15, 2025

Primary Completion Date

June 15, 2029

Study Completion Date

October 15, 2029

Conditions
Alzheimer DiseasePreclinical Alzheimer's Disease
Interventions
BIOLOGICAL

AV-1980R 20 µg

MultiTEP-based investigational tau vaccine formulated with the adjuvant. The vaccine is designed to elicit anti-tau antibodies in participants with preclinical Alzheimer's disease.

BIOLOGICAL

AV-1980R 60 µg

MultiTEP-based tau vaccine formulated with the adjuvant, 60 µg per dose; intramuscular injections at Weeks 0, 4, 12, and 36; secondary-prevention immunotherapy in preclinical AD.

BIOLOGICAL

AV-1980R 180 µg

MultiTEP-based tau vaccine formulated with the adjuvant, 180 µg per dose; intramuscular injections at Weeks 0, 4, 12, and 36; secondary-prevention immunotherapy in preclinical AD.

OTHER

Placebo

10 mM phosphate buffer formulated with the adjuvant; intramuscular injections at Weeks 0, 4, 12, and 36; no active antigen.

Trial Locations (1)

33433

Comprehensive Center for Brain Health, Boca Raton

All Listed Sponsors
collaborator

National Institute on Aging (NIA)

NIH

lead

Institute for Molecular Medicine

OTHER