Overview SEMA4D Blockade Safety and Brain Metabolic Activity in Alzheimer's Disease (AD) Status: Recruiting Trial end date: 2023-01-31 Target enrollment: Participant gender: Summary To investigate safety, tolerability, the effects on cognition and brain metabolism of pepinemab in early AD dementia (early AD) subjects. Phase: Phase 1/Phase 2 Details Lead Sponsor: Vaccinex Inc.Collaborators: Alzheimer's AssociationAlzheimer's Drug Discovery FoundationAlzheimer’s Drug Discovery Foundation