Lead sponsor
National Institute on Aging (NIA)
14 Alzheimer’s disease and related dementias trials led. Source: ClinicalTrials.gov, as of July 21, 2026.
14
Trials led
1
Ongoing
1,052
Total enrollment
187
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
4
Phase 2/3
1
Phase 3
7
Phase 4
1
Trials by status
Not yet recruiting
1
Completed
11
Terminated
1
Unknown
1
Trials led
TrialEligibility highlightPhaseStatusEnrollment
Cholesterol Lowering Agent to Slow Progression (CLASP) of Alzheimer's Disease StudyAlzheimer's diseasePh 3Completed400
Neuroplasticity Enhancement From Cognitive Training Reinforced by Psilocybinmild AD dementiaPh 2Not yet recruiting200
Treatment of Agitation/Psychosis in Dementia/Parkinsonism (TAP/DAP)Multiple dementia etiologiesPh 4Completed60
Memory Impairment Study (Mild Cognitive Impairment Study)Alzheimer's diseasePh 3Completednot disclosed
Study of Melatonin: Sleep Problems in Alzheimer's DiseaseAlzheimer's diseasePh 3Completednot disclosed
A Multicenter Trial of Rofecoxib and Naproxen in Alzheimer's Disease (NSAID Study)Alzheimer's diseasePh 2/3Completednot disclosed