VHB937 for Early Alzheimer's Disease

Key Inclusion Criteria * Male or female participants 50 to 85 years of age * Diagnosis of Mild Cognitive Impairment (MCI) due to AD or mild AD * Clinical Dementia Rating (CDR) Global score of 0.5 or 1.0 * Confirmation of AD based on cerebral spinal fluid (CSF) biomarkers or amyloid PET imaging * Reliable study partner who can accompany the participant at study visits * If on symptomatic AD treatment (AChEIs/memantine), on a stable dose prior to starting study treatment Key Exclusion Criteria * Dementia due to a condition other than AD, including but not limited to, frontal temporal dementia, Parkinson's disease, dementia with Lewy bodies, Huntington disease, vascular dementia. * History or current diagnosis of cardiac conditions or ECG abnormalities indicating significant risk of safety for participants in the study * Transient ischemic attacks (TIA) or stroke occurring within 12 months * Clinical evidence of liver or renal disease/injury * Current major depressive episode that is not adequately controlled, history of schizophrenia, other chronic psychosis * Significant neurological disease other than dementia (e.g. serious brain infection, traumatic brain injury, multiple concussions, epilepsy or recurrent seizures * Presence of suicidal ideation within 6 months or suicidal behavior within 2 years before Screening * Presence of cancer, HIV, Hep B, Hep C, uncontrolled thyroid disease, uncontrolled diabetes * Taking any prohibited medications Other protocol-defined inclusion/exclusion criteria may apply