Lead sponsor
Janssen, LP
2 Alzheimer’s disease and related dementias trials led. Source: ClinicalTrials.gov, as of July 21, 2026.
2
Trials led
0
Ongoing
626
Total enrollment
55
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 3
2
Trials by status
Completed
2
Trials led
TrialEligibility highlightPhaseStatusEnrollment
A Study of the Effectiveness and Safety of Risperidone Versus Placebo in the Treatment of Behavioral Disturbances in Patients With DementiaMultiple dementia etiologiesPh 3Completed626
Evaluation of Galantamine in the Treatment of Alzheimer's DiseaseAlzheimer's diseasePh 3Completednot disclosed