Overview An Extension Study of ABBV-8E12 in Early Alzheimer's Disease (AD) Status: Active, not recruiting Trial end date: 2021-07-05 Target enrollment: Participant gender: Summary The purpose of this study is to assess the long-term safety and tolerability of ABBV-8E12 in subjects with early AD. Phase: Phase 2 Details Lead Sponsor: AbbVieTreatments: Tilavonemab