Lead sponsor
Merz Pharmaceuticals GmbH
5 Alzheimer’s disease and related dementias trials led. Source: ClinicalTrials.gov, as of July 21, 2026.
5
Trials led
0
Ongoing
1,042
Total enrollment
20
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 2
1
Phase 3
3
Phase 4
1
Trials by status
Completed
4
Terminated
1
Trials led
TrialEligibility highlightPhaseStatusEnrollment
Investigation of Memantine in the Treatment of Memory, Concentration or Attention ProblemsAge 50-80Ph 2Completed299