Overview BI 425809 in Patients With Cognitive Impairment Due to Alzheimer's Disease. Status: Completed Trial end date: 2019-10-11 Target enrollment: Participant gender: Summary The study is designed to compare the effects of BI 425809 compared to placebo in patients with cognitive impairment due to Alzheimer's Disease. Phase: Phase 2 Details Lead Sponsor: Boehringer IngelheimTreatments: BI 425809