DUVAX: A Phase 1 Alzheimer's Vaccine Study Targeting Amyloid-Beta and Tau

Inclusion Criteria: * Healthy males and non-pregnant, non-lactating females, 40-65 years old * BMI between 18.0 and 32.0 kg/m² * Medically healthy with no significant abnormalities in medical history, exam, labs, ECG, or MRI * Signed informed consent * Women of childbearing potential: negative pregnancy test and use of effective contraception * Men: vasectomized or agree to use condoms / not donate sperm during the study period Exclusion Criteria: * Clinically significant medical or psychiatric illness that may affect safety or study results * MRI abnormalities (e.g., infarcts, microbleeds, ARIA-E) or contraindications to MRI * Significant lab abnormalities (e.g., liver, kidney, hematology) or positive HIV/HBV/HCV tests * Uncontrolled blood pressure, abnormal heart rate, or prolonged QTc interval * Recent serious illness, surgery, or investigational drug use within 30 days * Prior amyloid-beta or tau immunotherapy within 1 year * Use of immunosuppressive agents or chronic anticoagulants * History of severe vaccine reactions, autoimmune disease, or significant allergies