Lead sponsor
Janssen Pharmaceutical K.K.
5 Alzheimer’s disease and related dementias trials led. Source: ClinicalTrials.gov, as of July 21, 2026.
5
Trials led
0
Ongoing
1,131
Total enrollment
12
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 3
3
Phase 4
1
Trials by status
Completed
4
Terminated
1
Trials led
TrialEligibility highlightPhaseStatusEnrollment
An Efficacy and Safety Study of Galantamine for the Treatment of Patients With Alzheimer's DiseaseAlzheimer's diseasePh 3Completed580
An Efficacy and Safety Study of Galantamine for the Treatment of Patients With Alzheimer's Disease.Alzheimer's diseasePh 3Completed398
Evaluation of Efficacy and Safety of Galantamine in Patients With Dementia of Alzheimer's Type Who Failed to Benefit From DonepezilAlzheimer's diseasePh 4Completed102