Lead sponsor
Targacept Inc.
2 Alzheimer’s disease and related dementias trials led. Source: ClinicalTrials.gov, as of July 21, 2026.
2
Trials led
0
Ongoing
424
Total enrollment
42
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
1
Phase 2
1
Trials by status
Completed
2
Trials led
TrialEligibility highlightPhaseStatusEnrollment
Efficacy, Safety, & Tolerability of AZD3480 Patients With Mild to Moderate Dementia of the Alzheimer's Type (AD)Alzheimer's diseasePh 2Completed386
Multiple Ascending Dose Study of TC-5619 in Healthy Elderly Subjects and Subjects With Alzheimer's DiseaseAlzheimer's diseasePh 1Completed38