Lead sponsor
Abbott
5 Alzheimer’s disease and related dementias trials led. Source: ClinicalTrials.gov, as of July 21, 2026.
5
Trials led
0
Ongoing
514
Total enrollment
75
Sites
Distinct sites across this sponsor's lead trials. A site running several of them counts once, matching the map. Total enrollment sums each trial's reported enrollment, whether planned or actual.
Portfolio
How this sponsor's trials break down
Trials by phase
Phase 1
2
Phase 2
3
Trials by status
Completed
2
Terminated
3
Trials led
TrialEligibility highlightPhaseStatusEnrollment
Safety and Efficacy Study of ABT-089 in Adults With Mild to Moderate Alzheimer's Diseasemild-to-moderate ADPh 2Terminated337
A Study of the Safety and Efficacy of Multiple Doses of ABT-089 in Subjects With Alzheimer's DiseaseAlzheimer's diseasePh 2Terminated64
A Study of the Long-term Safety of ABT-089 for Subjects With Mild-to-moderate Alzheimer's Disease Who Participated in the M06-876 StudyAge 55-90Ph 2Terminated63
A Phase 1 Study of the Safety, Tolerability and Pharmacokinetics of ABT-126 in Subjects With Alzheimer's DiseaseAlzheimer's diseasePh 1Completed20